diff --git a/Changelog.md b/Changelog.md
index 8362fb84f..a74f7e69f 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,3 +1,18 @@
+### v1.3.2(2020-06-17)
+
+**Fix**
+- 移除Fastjson，替换为Jackson 2.11.0; web3sdk升级为2.4.1
+- 升级依赖包：spring: 5.1.15; log4j: 2.13.3; slf4j: 1.7.30; netty-all: 4.1.44+; guava: 28.2;
+
+**兼容性**
+- 支持FISCO-BCOS v2.4.0 及以上版本
+- WeBASE-Web v1.3.1+
+- WeBASE-Front v1.3.1+
+- WeBASE-Sign v1.3.1+
+- WeBASE-Transaction v1.3.0+
+
+详细了解,请阅读[**技术文档**](https://webasedoc.readthedocs.io/zh_CN/latest/)。
+
 ### v1.3.1(2020-06-01)
 
 **Add**
diff --git a/build.gradle b/build.gradle
index 9695a898a..e425c2e8a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -17,20 +17,28 @@ repositories {
     maven {url "http://maven.aliyun.com/nexus/content/groups/public/"}
     
     maven { url 'https://dl.bintray.com/ethereum/maven/' }
+    maven { url "https://oss.sonatype.org/content/repositories/snapshots" }
+
     mavenLocal()
     mavenCentral()
 }
 
-def springboot_version="2.1.2.RELEASE"
+def springboot_version="2.1.15.RELEASE"
 List springboot = [
      "org.springframework.boot:spring-boot-starter-web:$springboot_version",
-     "org.springframework.boot:spring-boot-starter-log4j2:$springboot_version",
      "org.springframework.boot:spring-boot-starter-security:$springboot_version",
      "org.springframework.boot:spring-boot-starter-mail:$springboot_version",
      "org.springframework.boot:spring-boot-starter-thymeleaf:$springboot_version"
      // "org.springframework.boot:spring-boot-starter-aop:$springboot_version"
 ]
 
+// cover old version
+def spring_version="5.1.15.RELEASE"
+List spring =[
+    "org.springframework:spring-jdbc:$spring_version",
+    "org.springframework:spring-tx:$spring_version"
+]
+
 List jaxb = [
      "javax.xml.bind:jaxb-api:2.3.0",
      "com.sun.xml.bind:jaxb-impl:2.3.0",
@@ -38,36 +46,47 @@ List jaxb = [
      "javax.activation:activation:1.1.1"
 ]
 
-List web3jsdk = [
-    "org.fisco-bcos:web3sdk:2.4.0"
+List web3sdk = [
+    "org.fisco-bcos:web3sdk:2.4.1"
 ]
 
 List lombok = [
-
     "org.projectlombok:lombok:1.18.2"
 ]
 
+def jackson_version = "2.11.0"
 List jackson = [
-    "com.fasterxml.jackson.core:jackson-databind:2.10.0",
-    "com.fasterxml.jackson.module:jackson-module-parameter-names:2.10.0",
-    "com.fasterxml.jackson.datatype:jackson-datatype-jdk8:2.10.0",
-    "com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.10.0"
+    "com.fasterxml.jackson.core:jackson-databind:$jackson_version",
+    "com.fasterxml.jackson.core:jackson-annotations:$jackson_version",
+    "com.fasterxml.jackson.core:jackson-core:$jackson_version",
+    "com.fasterxml.jackson.module:jackson-module-parameter-names:$jackson_version",
+    "com.fasterxml.jackson.datatype:jackson-datatype-jdk8:$jackson_version",
+    "com.fasterxml.jackson.datatype:jackson-datatype-jsr310:$jackson_version",
 ]
 
 List test = [
     "org.springframework.boot:spring-boot-starter-test:$springboot_version"
 ]
 
+def log4j_version="2.13.3"
+List log4j = [
+    "org.apache.logging.log4j:log4j-api:$log4j_version",
+    "org.apache.logging.log4j:log4j-core:$log4j_version",
+    "org.apache.logging.log4j:log4j-slf4j-impl:$log4j_version",
+    "org.apache.logging.log4j:log4j-web:$log4j_version"
+]
 
 dependencies {
-    compile springboot,jaxb,web3jsdk,jackson
+    compile springboot,spring,jaxb,web3sdk,jackson,log4j
     compile "org.mybatis.spring.boot:mybatis-spring-boot-starter:2.0.0"
     compile "org.apache.commons:commons-lang3:3.8.1"
-    compile "com.alibaba:fastjson:1.2.70"
     compile "mysql:mysql-connector-java:8.0.13"
     compile "com.zaxxer:HikariCP:3.2.0"
     compile "com.github.sgroschupf:zkclient:0.1"
     compile 'org.bouncycastle:bcprov-jdk15on:1.54'
+    // cover old version
+    compile 'com.google.guava:guava:28.2-jre'
+    compile 'org.slf4j:jcl-over-slf4j:1.7.30'
 
     annotationProcessor 'org.projectlombok:lombok:1.18.6'
     compileOnly lombok
diff --git a/release_note.txt b/release_note.txt
new file mode 100644
index 000000000..d8f3ee793
--- /dev/null
+++ b/release_note.txt
@@ -0,0 +1 @@
+V1.3.2
diff --git a/src/main/java/com/webank/webase/node/mgr/abi/AbiController.java b/src/main/java/com/webank/webase/node/mgr/abi/AbiController.java
index bd2d3eeef..edd71b960 100644
--- a/src/main/java/com/webank/webase/node/mgr/abi/AbiController.java
+++ b/src/main/java/com/webank/webase/node/mgr/abi/AbiController.java
@@ -16,7 +16,7 @@
 
 package com.webank.webase.node.mgr.abi;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.abi.entity.AbiInfo;
 import com.webank.webase.node.mgr.abi.entity.ReqAbiListParam;
 import com.webank.webase.node.mgr.abi.entity.ReqImportAbi;
@@ -26,6 +26,7 @@
 import com.webank.webase.node.mgr.base.entity.BaseResponse;
 import com.webank.webase.node.mgr.base.enums.SqlSortType;
 import com.webank.webase.node.mgr.base.properties.ConstantProperties;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import lombok.extern.log4j.Log4j2;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.security.access.prepost.PreAuthorize;
@@ -88,7 +89,7 @@ public Object saveAbi(@Valid @RequestBody ReqImportAbi param, BindingResult resu
 		checkBindResult(result);
 		Instant startTime = Instant.now();
 		log.info("start saveAbi. startTime:{} ReqImportAbi:{}",
-				startTime.toEpochMilli(), JSON.toJSONString(param));
+				startTime.toEpochMilli(), JsonTools.toJSONString(param));
 		abiService.saveAbi(param);
 		log.info("end saveAbi. useTime:{}",
 				Duration.between(startTime, Instant.now()).toMillis());
@@ -105,7 +106,7 @@ public Object updateAbi(@RequestBody ReqImportAbi param, BindingResult result) {
 		checkBindResult(result);
 		Instant startTime = Instant.now();
 		log.info("start updateAbi. startTime:{} ReqImportAbi:{}",
-				startTime.toEpochMilli(), JSON.toJSONString(param));
+				startTime.toEpochMilli(), JsonTools.toJSONString(param));
 		if(param.getAbiId() == null) {
 			return new BaseResponse(ConstantCode.PARAM_FAIL_ABI_ID_EMPTY);
 		}
diff --git a/src/main/java/com/webank/webase/node/mgr/abi/AbiService.java b/src/main/java/com/webank/webase/node/mgr/abi/AbiService.java
index 730160207..677bce3aa 100644
--- a/src/main/java/com/webank/webase/node/mgr/abi/AbiService.java
+++ b/src/main/java/com/webank/webase/node/mgr/abi/AbiService.java
@@ -16,7 +16,7 @@
 
 package com.webank.webase.node.mgr.abi;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.abi.entity.AbiInfo;
 import com.webank.webase.node.mgr.abi.entity.ReqAbiListParam;
 import com.webank.webase.node.mgr.abi.entity.ReqImportAbi;
@@ -66,7 +66,7 @@ public void insertAbiInfo(ReqImportAbi param) {
 		String contractAddress = param.getContractAddress();
 		String contractAbiStr;
 		try {
-			contractAbiStr = JSON.toJSONString(param.getContractAbi());
+			contractAbiStr = JsonTools.toJSONString(param.getContractAbi());
 		} catch (Exception e) {
 			log.warn("abi parse string error:{}", param.getContractAbi());
 			throw new NodeMgrException(ConstantCode.PARAM_FAIL_ABI_INVALID);
@@ -95,7 +95,7 @@ public void updateAbiInfo(ReqImportAbi param) {
 		BeanUtils.copyProperties(param, updateAbi);
 		String contractAbiStr;
 		try {
-			contractAbiStr = JSON.toJSONString(param.getContractAbi());
+			contractAbiStr = JsonTools.toJSONString(param.getContractAbi());
 		} catch (Exception e) {
 			log.warn("abi parse string error:{}", param.getContractAbi());
 			throw new NodeMgrException(ConstantCode.PARAM_FAIL_ABI_INVALID);
diff --git a/src/main/java/com/webank/webase/node/mgr/account/AccountController.java b/src/main/java/com/webank/webase/node/mgr/account/AccountController.java
index 6b1213664..1b1dfe9c6 100644
--- a/src/main/java/com/webank/webase/node/mgr/account/AccountController.java
+++ b/src/main/java/com/webank/webase/node/mgr/account/AccountController.java
@@ -32,7 +32,7 @@
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.account.entity.AccountInfo;
 import com.webank.webase.node.mgr.account.entity.AccountListParam;
 import com.webank.webase.node.mgr.account.entity.ImageToken;
@@ -82,7 +82,7 @@ public BaseResponse getPictureCheckCode() throws Exception {
             tokenData.setToken(token);
             tokenData.setBase64Image(base64Image);
             baseResponse.setData(tokenData);
-            log.info("end getPictureCheckCode. baseResponse:{}", JSON.toJSONString(baseResponse));
+            log.info("end getPictureCheckCode. baseResponse:{}", JsonTools.toJSONString(baseResponse));
             return baseResponse;
         } catch (Exception e) {
             log.error("fail getPictureCheckCode", e);
@@ -102,7 +102,7 @@ public BaseResponse addAccountInfo(@RequestBody @Valid AccountInfo info, Binding
         BaseResponse baseResponse = new BaseResponse(ConstantCode.SUCCESS);
         Instant startTime = Instant.now();
         log.info("start addAccountInfo. startTime:{} accountInfo:{}", startTime.toEpochMilli(),
-            JSON.toJSONString(info));
+            JsonTools.toJSONString(info));
 
         // add account row
         accountService.addAccountRow(info);
@@ -113,7 +113,7 @@ public BaseResponse addAccountInfo(@RequestBody @Valid AccountInfo info, Binding
         baseResponse.setData(tbAccount);
 
         log.info("end addAccountInfo useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(baseResponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(baseResponse));
         return baseResponse;
     }
 
@@ -128,7 +128,7 @@ public BaseResponse updateAccountInfo(@RequestBody @Valid AccountInfo info, Http
         BaseResponse baseResponse = new BaseResponse(ConstantCode.SUCCESS);
         Instant startTime = Instant.now();
         log.info("start updateAccountInfo startTime:{} accountInfo:{}", startTime.toEpochMilli(),
-            JSON.toJSONString(info));
+            JsonTools.toJSONString(info));
 
         // current
         String currentAccount = getCurrentAccount(request);
@@ -143,7 +143,7 @@ public BaseResponse updateAccountInfo(@RequestBody @Valid AccountInfo info, Http
 
         log.info("end updateAccountInfo useTime:{} result:{}",
             Duration.between(startTime, Instant.now()).toMillis(),
-            JSON.toJSONString(baseResponse));
+            JsonTools.toJSONString(baseResponse));
         return baseResponse;
     }
 
@@ -173,7 +173,7 @@ public BasePageResponse queryAccountList(@PathVariable("pageNumber") Integer pag
         }
 
         log.info("end queryAccountList useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(pagesponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(pagesponse));
         return pagesponse;
     }
 
@@ -191,7 +191,7 @@ public BaseResponse deleteAccount(@PathVariable("account") String account)
         accountService.deleteAccountRow(account);
 
         log.info("end deleteAccount. useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(baseResponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(baseResponse));
         return baseResponse;
     }
 
@@ -205,7 +205,7 @@ public BaseResponse updatePassword(@RequestBody @Valid PasswordInfo info, HttpSe
         BaseResponse baseResponse = new BaseResponse(ConstantCode.SUCCESS);
         Instant startTime = Instant.now();
         log.info("start updatePassword startTime:{} passwordInfo:{}", startTime.toEpochMilli(),
-            JSON.toJSONString(info));
+            JsonTools.toJSONString(info));
 
         String targetAccount = getCurrentAccount(request);
 
@@ -214,7 +214,7 @@ public BaseResponse updatePassword(@RequestBody @Valid PasswordInfo info, HttpSe
             .updatePassword(targetAccount, info.getOldAccountPwd(), info.getNewAccountPwd());
 
         log.info("end updatePassword useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(baseResponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(baseResponse));
         return baseResponse;
     }
     
diff --git a/src/main/java/com/webank/webase/node/mgr/account/AccountService.java b/src/main/java/com/webank/webase/node/mgr/account/AccountService.java
index c3f20af57..a97ea34f2 100644
--- a/src/main/java/com/webank/webase/node/mgr/account/AccountService.java
+++ b/src/main/java/com/webank/webase/node/mgr/account/AccountService.java
@@ -15,7 +15,7 @@
  */
 package com.webank.webase.node.mgr.account;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.account.entity.AccountInfo;
 import com.webank.webase.node.mgr.account.entity.AccountListParam;
 import com.webank.webase.node.mgr.account.entity.LoginInfo;
@@ -51,7 +51,7 @@ public class AccountService {
      * login.
      */
     public TbAccountInfo login(LoginInfo loginInfo) throws NodeMgrException {
-        log.info("start login. loginInfo:{}", JSON.toJSONString(loginInfo));
+        log.info("start login. loginInfo:{}", JsonTools.toJSONString(loginInfo));
         String accountStr = loginInfo.getAccount();
         String passwordStr = loginInfo.getAccountPwd();
 
@@ -81,7 +81,7 @@ public TbAccountInfo login(LoginInfo loginInfo) throws NodeMgrException {
      * add account row.
      */
     public void addAccountRow(AccountInfo accountInfo) throws NodeMgrException {
-        log.debug("start addAccountRow.  AccountInfo:{} ", JSON.toJSONString(accountInfo));
+        log.debug("start addAccountRow.  AccountInfo:{} ", JsonTools.toJSONString(accountInfo));
 
         String accountStr = accountInfo.getAccount();
         Integer roleId = accountInfo.getRoleId();
@@ -108,7 +108,7 @@ public void addAccountRow(AccountInfo accountInfo) throws NodeMgrException {
     public void updateAccountRow(String currentAccount, AccountInfo accountInfo)
         throws NodeMgrException {
         log.debug("start updateAccountRow.  currentAccount:{} AccountInfo:{} ", currentAccount,
-            JSON.toJSONString(accountInfo));
+            JsonTools.toJSONString(accountInfo));
 
         String accountStr = accountInfo.getAccount();
         // check account
@@ -183,7 +183,7 @@ public void updatePassword(String targetAccount, String oldAccountPwd, String ne
     public TbAccountInfo queryByAccount(String accountStr) {
         log.debug("start queryByAccount. accountStr:{} ", accountStr);
         TbAccountInfo accountRow = accountMapper.queryByAccount(accountStr);
-        log.debug("end queryByAccount. accountRow:{} ", JSON.toJSONString(accountRow));
+        log.debug("end queryByAccount. accountRow:{} ", JsonTools.toJSONString(accountRow));
         return accountRow;
     }
 
@@ -202,9 +202,9 @@ public int countOfAccount(String account) {
      * query account list.
      */
     public List<TbAccountInfo> listOfAccount(AccountListParam param) {
-        log.debug("start listOfAccount. param:{} ", JSON.toJSONString(param));
+        log.debug("start listOfAccount. param:{} ", JsonTools.toJSONString(param));
         List<TbAccountInfo> list = accountMapper.listOfAccount(param);
-        log.debug("end listOfAccount. list:{} ", JSON.toJSONString(list));
+        log.debug("end listOfAccount. list:{} ", JsonTools.toJSONString(list));
         return list;
     }
 
diff --git a/src/main/java/com/webank/webase/node/mgr/alert/log/AlertLogController.java b/src/main/java/com/webank/webase/node/mgr/alert/log/AlertLogController.java
index b0e70aa80..fb7864675 100644
--- a/src/main/java/com/webank/webase/node/mgr/alert/log/AlertLogController.java
+++ b/src/main/java/com/webank/webase/node/mgr/alert/log/AlertLogController.java
@@ -16,7 +16,7 @@
 
 package com.webank.webase.node.mgr.alert.log;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.alert.log.entity.AlertLog;
 import com.webank.webase.node.mgr.alert.log.entity.ReqLogListParam;
 import com.webank.webase.node.mgr.alert.log.entity.ReqLogParam;
@@ -78,7 +78,7 @@ public Object listAlertLog(@PathVariable("pageNumber") Integer pageNumber,
     public Object updateAlertLog(@RequestBody ReqLogParam param) {
         Instant startTime = Instant.now();
         log.info("start updateAlertLog. startTime:{} ReqAlertLogParam:{}",
-                startTime.toEpochMilli(), JSON.toJSONString(param));
+                startTime.toEpochMilli(), JsonTools.toJSONString(param));
         if(param.getStatus() == null || param.getLogId() == null) {
             return new BaseResponse(ConstantCode.ALERT_LOG_PARAM_EMPTY);
         }
@@ -111,7 +111,7 @@ public Object getAlertLogById(@PathVariable("logId") Integer logId) {
 //    public Object saveAlertLog(@RequestBody ReqLogParam param) {
 //        Instant startTime = Instant.now();
 //        log.info("start saveAlertLog. startTime:{} ReqAlertLogParam:{}",
-//                startTime.toEpochMilli(), JSON.toJSONString(param));
+//                startTime.toEpochMilli(), JsonTools.toJSONString(param));
 //        if(StringUtils.isEmpty(param.getAlertContent()) ||
 //                StringUtils.isEmpty(param.getAlertLevel()) ||
 //                StringUtils.isEmpty(param.getAlertType())) {
diff --git a/src/main/java/com/webank/webase/node/mgr/alert/mail/MailService.java b/src/main/java/com/webank/webase/node/mgr/alert/mail/MailService.java
index 5f9395e67..a8c5281b5 100644
--- a/src/main/java/com/webank/webase/node/mgr/alert/mail/MailService.java
+++ b/src/main/java/com/webank/webase/node/mgr/alert/mail/MailService.java
@@ -16,8 +16,10 @@
 
 package com.webank.webase.node.mgr.alert.mail;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.exception.NodeMgrException;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.account.AccountMapper;
+import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.account.entity.AccountListParam;
 import com.webank.webase.node.mgr.account.entity.TbAccountInfo;
 import com.webank.webase.node.mgr.alert.log.AlertLogService;
@@ -321,7 +323,10 @@ public void handleAllUserEmail(TbAlertRule alertRule, String emailTitle, String
         }else {
             List<String> userList = new ArrayList<>();
             try {
-                userList = (List<String>) JSON.parse(alertRule.getUserList());
+                userList = JsonTools.toJavaObjectList(alertRule.getUserList(), String.class);
+                if (userList == null) {
+                    log.error("parse json error");
+                }
             }catch (Exception e) {
                 log.error("handleAllUserEmail parse error: e:{}, getUserList{}",
                         e, alertRule.getUserList());
diff --git a/src/main/java/com/webank/webase/node/mgr/alert/mail/server/config/MailServerConfigController.java b/src/main/java/com/webank/webase/node/mgr/alert/mail/server/config/MailServerConfigController.java
index 587af27c1..263469ee7 100644
--- a/src/main/java/com/webank/webase/node/mgr/alert/mail/server/config/MailServerConfigController.java
+++ b/src/main/java/com/webank/webase/node/mgr/alert/mail/server/config/MailServerConfigController.java
@@ -16,7 +16,7 @@
 
 package com.webank.webase.node.mgr.alert.mail.server.config;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.alert.mail.server.config.entity.ReqMailServerConfigParam;
 import com.webank.webase.node.mgr.alert.mail.server.config.entity.TbMailServerConfig;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
@@ -83,7 +83,7 @@ public Object listServerConfig() {
     public Object updateMailServerConfig(@RequestBody ReqMailServerConfigParam param) {
         Instant startTime = Instant.now();
         log.info("start updateMailServerConfig. startTime:{} ReqMailServerConfigParam:{}",
-                startTime.toEpochMilli(), JSON.toJSONString(param));
+                startTime.toEpochMilli(), JsonTools.toJSONString(param));
         if(param.getServerId() == null) {
             log.debug("updateMailServerConfig, error:{} ",
                     ConstantCode.MAIL_SERVER_CONFIG_PARAM_EMPTY);
@@ -112,7 +112,7 @@ public Object updateMailServerConfig(@RequestBody ReqMailServerConfigParam param
 //    public Object saveMailServerConfig(@RequestBody ReqMailServerConfigParam param) {
 //        Instant startTime = Instant.now();
 //        log.info("start saveMailServerConfig. startTime:{} ReqMailServerConfigParam:{}",
-//                startTime.toEpochMilli(), JSON.toJSONString(param));
+//                startTime.toEpochMilli(), JsonTools.toJSONString(param));
 //        try{
 //            mailServerConfigService.saveMailServerConfig(param);
 //            log.info("end saveMailServerConfig. useTime:{}",
diff --git a/src/main/java/com/webank/webase/node/mgr/alert/rule/AlertRuleController.java b/src/main/java/com/webank/webase/node/mgr/alert/rule/AlertRuleController.java
index 267d5f228..48c35758d 100644
--- a/src/main/java/com/webank/webase/node/mgr/alert/rule/AlertRuleController.java
+++ b/src/main/java/com/webank/webase/node/mgr/alert/rule/AlertRuleController.java
@@ -16,7 +16,7 @@
 
 package com.webank.webase.node.mgr.alert.rule;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.alert.rule.entity.ReqAlertRuleParam;
 import com.webank.webase.node.mgr.alert.rule.entity.TbAlertRule;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
@@ -55,7 +55,7 @@ public Object getAlertRuleByRuleId(@PathVariable("ruleId") Integer ruleId) {
         TbAlertRule res = alertRuleService.queryByRuleId(ruleId);
 
         log.info("end getAlertRuleByRuleId useTime:{} result:{}",
-                Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(res));
+                Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(res));
         return new BaseResponse(ConstantCode.SUCCESS, res);
     }
 
@@ -79,7 +79,7 @@ public Object listAlertRules() {
 //    public Object saveAlertRule(@RequestBody @Valid AlertRuleParam param) {
 //        Instant startTime = Instant.now();
 //        log.info("start saveAlertRule. startTime:{} AlertRuleParam:{}",
-//                startTime.toEpochMilli(), JSON.toJSONString(param));
+//                startTime.toEpochMilli(), JsonTools.toJSONString(param));
 //        // check param
 //        // 保证参数，用catch方式
 //        if(param.getUserList().isEmpty()) {
@@ -96,7 +96,7 @@ public Object listAlertRules() {
     public Object updateAlertRule(@RequestBody ReqAlertRuleParam param) {
         Instant startTime = Instant.now();
         log.info("start updateAlertRule. startTime:{} AlertRuleParam:{}",
-                startTime.toEpochMilli(), JSON.toJSONString(param));
+                startTime.toEpochMilli(), JsonTools.toJSONString(param));
         if(param.getRuleId() == null) {
             return new BaseResponse(ConstantCode.ALERT_RULE_PARAM_EMPTY);
         }
@@ -119,7 +119,7 @@ public Object updateAlertRule(@RequestBody ReqAlertRuleParam param) {
     public Object toggleAlertRule(@RequestBody ReqAlertRuleParam param) {
         Instant startTime = Instant.now();
         log.info("start toggleAlertRule. startTime:{} AlertRuleParam:{}",
-                startTime.toEpochMilli(), JSON.toJSONString(param));
+                startTime.toEpochMilli(), JsonTools.toJSONString(param));
         if(param.getRuleId() == null || param.getEnable() == null) {
             return new BaseResponse(ConstantCode.ALERT_RULE_PARAM_EMPTY);
         }
diff --git a/src/main/java/com/webank/webase/node/mgr/alert/task/NodeStatusMonitorTask.java b/src/main/java/com/webank/webase/node/mgr/alert/task/NodeStatusMonitorTask.java
index c8b9c152a..b4e212d55 100644
--- a/src/main/java/com/webank/webase/node/mgr/alert/task/NodeStatusMonitorTask.java
+++ b/src/main/java/com/webank/webase/node/mgr/alert/task/NodeStatusMonitorTask.java
@@ -16,7 +16,7 @@
 
 package com.webank.webase.node.mgr.alert.task;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.alert.mail.MailService;
 import com.webank.webase.node.mgr.alert.rule.AlertRuleService;
 import com.webank.webase.node.mgr.alert.rule.entity.TbAlertRule;
@@ -111,10 +111,10 @@ public void checkNodeStatusByGroup(int groupId) {
             });
         if(!abnormalNodeIdList.isEmpty()) {
             log.warn("start  node abnormal mail alert nodeIds:{} in groupId:{}",
-                    JSON.toJSONString(abnormalNodeIdList), groupId);
+                    JsonTools.toJSONString(abnormalNodeIdList), groupId);
             List<String> alertContentList = new ArrayList<>();
-            alertContentList.add("群组group " + groupId + "的共识/观察节点nodeId：" + JSON.toJSONString(abnormalNodeIdList));
-            alertContentList.add("group " + groupId + "'s sealer/observer nodes nodeId: " + JSON.toJSONString(abnormalNodeIdList));
+            alertContentList.add("群组group " + groupId + "的共识/观察节点nodeId：" + JsonTools.toJSONString(abnormalNodeIdList));
+            alertContentList.add("group " + groupId + "'s sealer/observer nodes nodeId: " + JsonTools.toJSONString(abnormalNodeIdList));
             // send node alert mail
             alertMailService.sendMailByRule(AlertRuleType.NODE_ALERT.getValue(), alertContentList);
         }
diff --git a/src/main/java/com/webank/webase/node/mgr/base/code/ConstantCode.java b/src/main/java/com/webank/webase/node/mgr/base/code/ConstantCode.java
index a627e6cd5..504d6aed5 100644
--- a/src/main/java/com/webank/webase/node/mgr/base/code/ConstantCode.java
+++ b/src/main/java/com/webank/webase/node/mgr/base/code/ConstantCode.java
@@ -162,7 +162,8 @@ public class ConstantCode {
     public static final RetCode CONTRACT_ADDRESS_NULL = RetCode.mark(202100, "contractAddress is null");
 
     public static final RetCode USER_NOT_EXIST = RetCode.mark(202110, "User's signUserId not exist");
-
+    /* Json parse error */
+    public static final RetCode FAIL_PARSE_JSON = RetCode.mark(202111, "Fail to parse json");
 
     /* dynamic group manage */
     public static final RetCode GROUP_ID_EXISTS = RetCode.mark(202300, "group id already exists");
diff --git a/src/main/java/com/webank/webase/node/mgr/base/config/SecurityConfig.java b/src/main/java/com/webank/webase/node/mgr/base/config/SecurityConfig.java
index 457244181..b5a2738e7 100644
--- a/src/main/java/com/webank/webase/node/mgr/base/config/SecurityConfig.java
+++ b/src/main/java/com/webank/webase/node/mgr/base/config/SecurityConfig.java
@@ -40,6 +40,8 @@
 import com.webank.webase.node.mgr.security.JsonLogoutSuccessHandler;
 import com.webank.webase.node.mgr.security.LoginFailHandler;
 import com.webank.webase.node.mgr.security.customizeAuth.TokenAuthenticationProvider;
+import org.springframework.security.web.csrf.CookieCsrfTokenRepository;
+import org.springframework.security.web.util.matcher.AntPathRequestMatcher;
 
 /**
  * security config.
@@ -76,7 +78,7 @@ protected void configure(HttpSecurity http) throws Exception {
             .failureHandler(loginfailHandler) // if login fail
             .and().authorizeRequests()
             .antMatchers("/account/login", "/account/pictureCheckCode",
-                    "/login","/user/privateKey/**", "/encrypt")
+                "/login","/user/privateKey/**", "/encrypt")
             .permitAll()
             .anyRequest().authenticated().and().csrf()
             .disable() // close csrf
@@ -87,6 +89,7 @@ protected void configure(HttpSecurity http) throws Exception {
             .permitAll();
     }
 
+
     @Override
     public void configure(WebSecurity web) throws Exception {
         super.configure(web);
diff --git a/src/main/java/com/webank/webase/node/mgr/base/controller/BaseController.java b/src/main/java/com/webank/webase/node/mgr/base/controller/BaseController.java
index bb191fa62..4f69b41d8 100644
--- a/src/main/java/com/webank/webase/node/mgr/base/controller/BaseController.java
+++ b/src/main/java/com/webank/webase/node/mgr/base/controller/BaseController.java
@@ -18,7 +18,7 @@
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.validation.BindingResult;
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.exception.ParamException;
 
@@ -33,8 +33,8 @@ public class BaseController {
     protected void checkBindResult(BindingResult result) {
         if (result.hasErrors()) {
             String errFieldStr = result.getAllErrors().stream()
-                .map(obj -> JSON.parseObject(JSON.toJSONString(obj)))
-                .map(err -> err.getString("field"))
+                .map(obj -> JsonTools.stringToJsonNode(JsonTools.toJSONString(obj)))
+                .map(err -> err.get("field").asText())
                 .collect(Collectors.joining(","));
             StringUtils.removeEnd(errFieldStr, ",");
             String message = "these fields can not be empty:" + errFieldStr;
diff --git a/src/main/java/com/webank/webase/node/mgr/base/exception/ExceptionsHandler.java b/src/main/java/com/webank/webase/node/mgr/base/exception/ExceptionsHandler.java
index 25dfb34a5..25f26f65b 100644
--- a/src/main/java/com/webank/webase/node/mgr/base/exception/ExceptionsHandler.java
+++ b/src/main/java/com/webank/webase/node/mgr/base/exception/ExceptionsHandler.java
@@ -13,7 +13,7 @@
  */
 package com.webank.webase.node.mgr.base.exception;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.code.RetCode;
 import com.webank.webase.node.mgr.base.entity.BaseResponse;
@@ -46,7 +46,7 @@ public BaseResponse myExceptionHandler(NodeMgrException nodeMgrException) {
             .orElse(ConstantCode.SYSTEM_EXCEPTION);
 
         BaseResponse bre = new BaseResponse(retCode);
-        log.warn("business exception return:{}", JSON.toJSONString(bre));
+        log.warn("business exception return:{}", JsonTools.toJSONString(bre));
         return bre;
     }
 
@@ -62,7 +62,7 @@ public BaseResponse paramExceptionHandler(ParamException paramException) {
             .orElse(ConstantCode.SYSTEM_EXCEPTION);
 
         BaseResponse bre = new BaseResponse(retCode);
-        log.warn("param exception return:{}", JSON.toJSONString(bre));
+        log.warn("param exception return:{}", JsonTools.toJSONString(bre));
         return bre;
     }
 
@@ -77,7 +77,7 @@ public BaseResponse typeMismatchExceptionHandler(TypeMismatchException ex) {
 
         RetCode retCode = new RetCode(ConstantCode.PARAM_EXCEPTION.getCode(), ex.getMessage());
         BaseResponse bre = new BaseResponse(retCode);
-        log.warn("typeMismatchException return:{}", JSON.toJSONString(bre));
+        log.warn("typeMismatchException return:{}", JsonTools.toJSONString(bre));
         return bre;
     }
 
@@ -92,7 +92,7 @@ public BaseResponse accessDeniedExceptionHandler(AccessDeniedException exception
         throws Exception {
         log.warn("catch accessDenied exception", exception);
         BaseResponse bre = new BaseResponse(ConstantCode.ACCESS_DENIED);
-        log.warn("accessDenied exception return:{}", JSON.toJSONString(bre));
+        log.warn("accessDenied exception return:{}", JsonTools.toJSONString(bre));
         return bre;
     }
 
@@ -109,7 +109,7 @@ public BaseResponse exceptionHandler(RuntimeException exc) {
         // v1.3.1 增加异常细节
         retCode.setMessage(exc.getMessage());
         BaseResponse bre = new BaseResponse(retCode);
-        log.warn("system RuntimeException return:{}", JSON.toJSONString(bre));
+        log.warn("system RuntimeException return:{}", JsonTools.toJSONString(bre));
         return bre;
     }
 }
\ No newline at end of file
diff --git a/src/main/java/com/webank/webase/node/mgr/base/exception/NodeMgrException.java b/src/main/java/com/webank/webase/node/mgr/base/exception/NodeMgrException.java
index 58c7329a4..7c5f748ba 100644
--- a/src/main/java/com/webank/webase/node/mgr/base/exception/NodeMgrException.java
+++ b/src/main/java/com/webank/webase/node/mgr/base/exception/NodeMgrException.java
@@ -16,7 +16,7 @@
 
 package com.webank.webase.node.mgr.base.exception;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.code.RetCode;
 
 /**
@@ -40,7 +40,7 @@ public NodeMgrException(RetCode retCode) {
      */
     public NodeMgrException(RetCode retCode, Throwable cause) {
         super(retCode.getMessage(), cause);
-        retCode.setMessage(JSON.toJSONString(cause.getMessage()));
+        retCode.setMessage(JsonTools.toJSONString(cause.getMessage()));
         this.retCode = retCode;
     }
 
diff --git a/src/main/java/com/webank/webase/node/mgr/base/filter/FrontFilter.java b/src/main/java/com/webank/webase/node/mgr/base/filter/FrontFilter.java
index f38a2e30a..eb8f3b68a 100644
--- a/src/main/java/com/webank/webase/node/mgr/base/filter/FrontFilter.java
+++ b/src/main/java/com/webank/webase/node/mgr/base/filter/FrontFilter.java
@@ -15,7 +15,7 @@
  */
 package com.webank.webase.node.mgr.base.filter;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.code.RetCode;
 import com.webank.webase.node.mgr.base.properties.ConstantProperties;
@@ -54,7 +54,7 @@ public class FrontFilter implements Filter {
     @Override
     public void init(FilterConfig filterConfig) throws ServletException {
         ignorePath = getIgnorePath();
-        log.info("ignorePath:{}", JSON.toJSONString(ignorePath));
+        log.info("ignorePath:{}", JsonTools.toJSONString(ignorePath));
     }
 
     @Override
diff --git a/src/main/java/com/webank/webase/node/mgr/base/tools/AlertRuleTools.java b/src/main/java/com/webank/webase/node/mgr/base/tools/AlertRuleTools.java
index faaa4e3c5..a77741ec0 100644
--- a/src/main/java/com/webank/webase/node/mgr/base/tools/AlertRuleTools.java
+++ b/src/main/java/com/webank/webase/node/mgr/base/tools/AlertRuleTools.java
@@ -16,7 +16,8 @@
 
 package com.webank.webase.node.mgr.base.tools;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.exception.NodeMgrException;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.alert.rule.entity.ReqAlertRuleParam;
 import com.webank.webase.node.mgr.alert.rule.entity.TbAlertRule;
 import lombok.extern.log4j.Log4j2;
@@ -26,6 +27,7 @@
 import java.time.LocalDateTime;
 import java.util.ArrayList;
 import java.util.List;
+import org.fisco.bcos.web3j.tx.txdecode.ConstantCode;
 
 @Log4j2
 public class AlertRuleTools {
@@ -79,7 +81,10 @@ public static String processMailContent(String alertContent, String contentTarge
         List<String> contentParamList = new ArrayList<>();
         log.debug("processMailContent contentTargetParams:{}", contentTargetParams);
         try{
-            contentParamList = (List<String>) JSON.parse(contentTargetParams);
+            contentParamList = JsonTools.toJavaObjectList(contentTargetParams, String.class);
+            if (contentParamList == null) {
+                log.error("parse json error");
+            }
         } catch (Exception e) {
             log.error("processMailContent parse contentParam to List error contentParams:{}, exception:{}",
                     contentTargetParams, e);
@@ -108,7 +113,10 @@ public static String processMailContent(String alertContent, String contentTarge
         List<String> contentParamList = new ArrayList<>();
         log.debug("processMailContent contentTargetParams:{}", contentTargetParams);
         try{
-            contentParamList = (List<String>) JSON.parse(contentTargetParams);
+            contentParamList = JsonTools.toJavaObjectList(contentTargetParams, String.class);
+            if (contentParamList == null) {
+                log.error("parse json error");
+            }
         } catch (Exception e) {
             log.error("processMailContent parse contentParam to List error contentParams:{}, exception:{}",
                     contentTargetParams, e);
diff --git a/src/main/java/com/webank/webase/node/mgr/base/tools/JsonTools.java b/src/main/java/com/webank/webase/node/mgr/base/tools/JsonTools.java
new file mode 100644
index 000000000..621ac983b
--- /dev/null
+++ b/src/main/java/com/webank/webase/node/mgr/base/tools/JsonTools.java
@@ -0,0 +1,246 @@
+package com.webank.webase.node.mgr.base.tools;
+
+import com.fasterxml.jackson.annotation.JsonInclude.Include;
+import com.fasterxml.jackson.core.JsonParser.Feature;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.JavaType;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.SerializationFeature;
+import java.io.IOException;
+import java.text.SimpleDateFormat;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.StringUtils;
+
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.function.Supplier;
+
+/**
+ * Jackson Util
+ * edit by marsli from hujkay
+ */
+@Slf4j
+public class JsonTools {
+    private static final String STANDARD_FORMAT = "yyyy-MM-dd HH:mm:ss";
+    /**
+     * 设置一些通用的属性
+     */
+    private static final ThreadLocal<ObjectMapper> OBJECT_MAPPER = ThreadLocal.withInitial(() -> {
+        ObjectMapper objectMapper = new ObjectMapper();
+        // 如果存在未知属性，则忽略不报错
+        objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+        objectMapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
+        // 允许key没有双引号
+        objectMapper.configure(Feature.ALLOW_UNQUOTED_FIELD_NAMES, true);
+        // 允许key有单引号
+        objectMapper.configure(Feature.ALLOW_SINGLE_QUOTES, true);
+        // 属性值为null的不参与序列化
+        // objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
+        objectMapper.setSerializationInclusion(Include.ALWAYS);
+        // timestamp
+        objectMapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);
+        // date format
+        objectMapper.setDateFormat(new SimpleDateFormat(STANDARD_FORMAT));
+        return objectMapper;
+    });
+
+    public static String toJSONString(Object obj) {
+        return obj != null ? toJSONString(obj, () -> "") : "";
+    }
+
+    public static String toJSONString(Object obj, Supplier<String> defaultSupplier) {
+        try {
+            return obj != null ? OBJECT_MAPPER.get().writeValueAsString(obj) : defaultSupplier.get();
+        } catch (Throwable e) {
+            log.error(String.format("toJSONString %s", obj != null ? obj.toString() : "null"), e);
+        }
+        return defaultSupplier.get();
+    }
+
+    public static <T> T toJavaObject(String value, Class<T> tClass) {
+        return StringUtils.isNotBlank(value) ? toJavaObject(value, tClass, () -> null) : null;
+    }
+
+    public static <T> T toJavaObject(Object obj, Class<T> tClass) {
+        return obj != null ? toJavaObject(toJSONString(obj), tClass, () -> null) : null;
+    }
+
+    public static <T> T toJavaObject(String value, Class<T> tClass, Supplier<T> defaultSupplier) {
+        try {
+            if (StringUtils.isBlank(value)) {
+                return defaultSupplier.get();
+            }
+            return OBJECT_MAPPER.get().readValue(value, tClass);
+        } catch (Throwable e) {
+            log.error(String.format("toJavaObject exception: \n %s\n %s", value, tClass), e);
+        }
+        return defaultSupplier.get();
+    }
+
+    public static <T> List<T> toJavaObjectList(String value, Class<T> tClass) {
+        return StringUtils.isNotBlank(value) ? toJavaObjectList(value, tClass, () -> null) : null;
+    }
+
+    public static <T> List<T> toJavaObjectList(Object obj, Class<T> tClass) {
+        return obj != null ? toJavaObjectList(toJSONString(obj), tClass, () -> null) : null;
+    }
+
+    public static <T> List<T> toJavaObjectList(String value, Class<T> tClass, Supplier<List<T>> defaultSupplier) {
+        try {
+            if (StringUtils.isBlank(value)) {
+                return defaultSupplier.get();
+            }
+            JavaType javaType = OBJECT_MAPPER.get().getTypeFactory().constructParametricType(List.class, tClass);
+            return OBJECT_MAPPER.get().readValue(value, javaType);
+        } catch (Throwable e) {
+            log.error(String.format("toJavaObjectList exception \n%s\n%s", value, tClass), e);
+        }
+        return defaultSupplier.get();
+    }
+
+    // 简单地直接用json复制或者转换(Cloneable)
+    public static <T> T jsonCopy(Object obj, Class<T> tClass) {
+        return obj != null ? toJavaObject(toJSONString(obj), tClass) : null;
+    }
+
+    public static Map<String, Object> toMap(String value) {
+        return StringUtils.isNotBlank(value) ? toMap(value, () -> null) : null;
+    }
+
+    public static Map<String, Object> toMap(Object value) {
+        return value != null ? toMap(value, () -> null) : null;
+    }
+
+    public static Map<String, Object> toMap(Object value, Supplier<Map<String, Object>> defaultSupplier) {
+        if (value == null) {
+            return defaultSupplier.get();
+        }
+        try {
+            if (value instanceof Map) {
+                return (Map<String, Object>) value;
+            }
+        } catch (Exception e) {
+            log.error("fail to convert" + toJSONString(value), e);
+        }
+        return toMap(toJSONString(value), defaultSupplier);
+    }
+
+    public static Map<String, Object> toMap(String value, Supplier<Map<String, Object>> defaultSupplier) {
+        if (StringUtils.isBlank(value)) {
+            return defaultSupplier.get();
+        }
+        try {
+            return toJavaObject(value, LinkedHashMap.class);
+        } catch (Exception e) {
+            log.error(String.format("toMap exception\n%s", value), e);
+        }
+        return defaultSupplier.get();
+    }
+
+
+    public static List<Object> toList(String value) {
+        return StringUtils.isNotBlank(value) ? toList(value, () -> null) : null;
+    }
+
+    public static List<Object> toList(Object value) {
+        return value != null ? toList(value, () -> null) : null;
+    }
+
+    public static List<Object> toList(String value, Supplier<List<Object>> defaultSuppler) {
+        if (StringUtils.isBlank(value)) {
+            return defaultSuppler.get();
+        }
+        try {
+            return toJavaObject(value, List.class);
+        } catch (Exception e) {
+            log.error("toList exception\n" + value, e);
+        }
+        return defaultSuppler.get();
+    }
+
+    public static List<Object> toList(Object value, Supplier<List<Object>> defaultSuppler) {
+        if (value == null) {
+            return defaultSuppler.get();
+        }
+        if (value instanceof List) {
+            return (List<Object>) value;
+        }
+        return toList(toJSONString(value), defaultSuppler);
+    }
+
+    /* author: clk */
+
+    public static boolean isJson(String str) {
+        try {
+            OBJECT_MAPPER.get().readTree(str);
+            return true;
+        } catch (IOException e) {
+            return false;
+        }
+    }
+
+    public static JsonNode stringToJsonNode(String str) {
+        try {
+            return OBJECT_MAPPER.get().readTree(str);
+        } catch (IOException e) {
+            log.error("Parse String to JsonNode error : {}", e.getMessage());
+            return null;
+        }
+    }
+
+    public static <T> String objToString(T obj) {
+        if (obj == null) {
+            return null;
+        }
+        try {
+            return obj instanceof String ? (String) obj
+                : OBJECT_MAPPER.get().writerWithDefaultPrettyPrinter().writeValueAsString(obj);
+        } catch (JsonProcessingException e) {
+            log.error("Parse Object to String error : {}", e.getMessage());
+            return null;
+        }
+    }
+
+    @SuppressWarnings("unchecked")
+    public static <T> T stringToObj(String str, Class<T> clazz) {
+        if (StringUtils.isEmpty(str) || clazz == null) {
+            return null;
+        }
+        try {
+            return clazz.equals(String.class) ? (T) str : OBJECT_MAPPER.get().readValue(str, clazz);
+        } catch (Exception e) {
+            log.error("Parse String to Object error : {}", e.getMessage());
+            return null;
+        }
+    }
+
+    @SuppressWarnings("unchecked")
+    public static <T> T stringToObj(String str, TypeReference<T> typeReference) {
+        if (StringUtils.isEmpty(str) || typeReference == null) {
+            return null;
+        }
+        try {
+            return (T) (typeReference.getType().equals(String.class) ? str
+                : OBJECT_MAPPER.get().readValue(str, typeReference));
+        } catch (IOException e) {
+            log.error("Parse String to Object error", e);
+            return null;
+        }
+    }
+
+    public static <T> T stringToObj(String str, Class<?> collectionClazz,
+        Class<?>... elementClazzes) {
+        JavaType javaType = OBJECT_MAPPER.get().getTypeFactory()
+            .constructParametricType(collectionClazz, elementClazzes);
+        try {
+            return OBJECT_MAPPER.get().readValue(str, javaType);
+        } catch (IOException e) {
+            log.error("Parse String to Object error : {}" + e.getMessage());
+            return null;
+        }
+    }
+}
diff --git a/src/main/java/com/webank/webase/node/mgr/base/tools/NodeMgrTools.java b/src/main/java/com/webank/webase/node/mgr/base/tools/NodeMgrTools.java
index e5a4d843c..826628530 100644
--- a/src/main/java/com/webank/webase/node/mgr/base/tools/NodeMgrTools.java
+++ b/src/main/java/com/webank/webase/node/mgr/base/tools/NodeMgrTools.java
@@ -13,8 +13,7 @@
  */
 package com.webank.webase.node.mgr.base.tools;
 
-import com.alibaba.fastjson.JSON;
-import com.alibaba.fastjson.JSONObject;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.code.RetCode;
 import com.webank.webase.node.mgr.base.entity.BaseResponse;
@@ -155,26 +154,17 @@ public static <T> T object2JavaBean(Object obj, Class<T> clazz) {
             log.warn("object2JavaBean. obj or clazz null");
             return null;
         }
-        String jsonStr = JSON.toJSONString(obj);
+        String jsonStr = JsonTools.toJSONString(obj);
 
-        return JSON.parseObject(jsonStr, clazz);
+        return JsonTools.toJavaObject(jsonStr, clazz);
     }
 
 
-    public static JSONObject Object2JSONObject(Object obj) {
-        if (obj == null) {
-            log.warn("obj is null");
-            return null;
-        }
-        String objJson = JSON.toJSONString(obj);
-        return JSONObject.parseObject(objJson);
-    }
-
     /**
      * encode list by sha.
      */
     public static String shaList(List<String> values) {
-        log.info("shaList start. values:{}", JSON.toJSONString(values));
+        log.info("shaList start. values:{}", JsonTools.toJSONString(values));
         // list按字段排序，并转换成字符串
         String list2SortString = list2SortString(values);
         // SHA加密字符串
@@ -364,7 +354,7 @@ public static void responseRetCodeException(HttpServletResponse response, RetCod
 /*        baseResponse.setMessage(ex.getMessage());
         response.setContentType("application/json;charset=UTF-8");*/
         try {
-            response.getWriter().write(JSON.toJSONString(baseResponse));
+            response.getWriter().write(JsonTools.toJSONString(baseResponse));
         } catch (IOException e) {
             log.error("fail responseRetCodeException",e);
         }
@@ -415,20 +405,6 @@ public static boolean isWithinPeriod(LocalDateTime lastTime, String validLength)
         }
     }
 
-    /**
-     * is json.
-     */
-    public static boolean isJSON(String str) {
-        boolean result;
-        try {
-            JSON.parse(str);
-            result = true;
-        } catch (Exception e) {
-            result = false;
-        }
-        return result;
-    }
-
     /**
      * response string.
      */
@@ -439,12 +415,12 @@ public static void responseString(HttpServletResponse response, String str) {
         }
 
         RetCode retCode;
-        if (isJSON(str) && (retCode = JSONObject.parseObject(str, RetCode.class)) != null) {
+        if (JsonTools.isJson(str) && (retCode = JsonTools.toJavaObject(str, RetCode.class)) != null) {
             baseResponse = new BaseResponse(retCode);
         }
 
         try {
-            response.getWriter().write(JSON.toJSONString(baseResponse));
+            response.getWriter().write(JsonTools.toJSONString(baseResponse));
         } catch (IOException e) {
             log.error("fail responseRetCodeException", e);
         }
diff --git a/src/main/java/com/webank/webase/node/mgr/base/tools/Web3Tools.java b/src/main/java/com/webank/webase/node/mgr/base/tools/Web3Tools.java
index a69a945b0..782b97023 100644
--- a/src/main/java/com/webank/webase/node/mgr/base/tools/Web3Tools.java
+++ b/src/main/java/com/webank/webase/node/mgr/base/tools/Web3Tools.java
@@ -17,17 +17,17 @@
 
 
 
-import com.alibaba.fastjson.JSON;
-import com.alibaba.fastjson.JSONArray;
+import com.webank.webase.node.mgr.base.exception.NodeMgrException;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import org.apache.commons.lang3.StringUtils;
 import org.fisco.bcos.web3j.crypto.Hash;
 import org.fisco.bcos.web3j.crypto.Keys;
-import org.fisco.bcos.web3j.crypto.gm.sm3.SM3Digest;
 import org.fisco.bcos.web3j.protocol.ObjectMapperFactory;
 import org.fisco.bcos.web3j.protocol.core.methods.response.AbiDefinition;
+import com.webank.webase.node.mgr.base.code.ConstantCode;
 import org.fisco.bcos.web3j.tx.txdecode.ConstantProperties;
 import org.fisco.bcos.web3j.utils.Numeric;
-import org.fisco.bcos.web3j.utils.Strings;
 
 import java.io.IOException;
 import java.util.Arrays;
@@ -116,10 +116,15 @@ public static byte[] getMethodIdBytes(AbiDefinition abiDefinition) {
      * @return
      */
     public static AbiDefinition getAbiDefinition(String funName, String contractAbi) {
-        JSONArray abiArr = JSONArray.parseArray(contractAbi);
+        if (StringUtils.isBlank(contractAbi)) {
+            throw new NodeMgrException(ConstantCode.CONTRACT_ABI_EMPTY);
+        }
+        List<AbiDefinition> abiList = JsonTools.toJavaObjectList(contractAbi, AbiDefinition.class);
+        if (abiList == null) {
+            throw new NodeMgrException(ConstantCode.FAIL_PARSE_JSON);
+        }
         AbiDefinition result = null;
-        for (Object object : abiArr) {
-            AbiDefinition abiDefinition = JSON.parseObject(object.toString(), AbiDefinition.class);
+        for (AbiDefinition abiDefinition : abiList) {
             if (ConstantProperties.TYPE_FUNCTION.equals(abiDefinition.getType())
                     && funName.equals(abiDefinition.getName())) {
                 result = abiDefinition;
diff --git a/src/main/java/com/webank/webase/node/mgr/block/BlockController.java b/src/main/java/com/webank/webase/node/mgr/block/BlockController.java
index c8b10a8e9..5578e8406 100644
--- a/src/main/java/com/webank/webase/node/mgr/block/BlockController.java
+++ b/src/main/java/com/webank/webase/node/mgr/block/BlockController.java
@@ -13,7 +13,7 @@
  */
 package com.webank.webase.node.mgr.block;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.entity.BasePageResponse;
 import com.webank.webase.node.mgr.base.entity.BaseResponse;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
@@ -102,7 +102,7 @@ public BasePageResponse queryBlockList(@PathVariable("groupId") Integer groupId,
         }
 
         log.info("end queryBlockList useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(pageResponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(pageResponse));
         return pageResponse;
     }
 
@@ -121,7 +121,7 @@ public BaseResponse getBlockByNumber(@PathVariable("groupId") Integer groupId,
         Object blockInfo = blockService.getBlockFromFrontByNumber(groupId, blockNumber);
         baseResponse.setData(blockInfo);
         log.info("end getBlockByNumber useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(baseResponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(baseResponse));
         return baseResponse;
     }
 }
diff --git a/src/main/java/com/webank/webase/node/mgr/block/BlockService.java b/src/main/java/com/webank/webase/node/mgr/block/BlockService.java
index 0f8bbaec0..5ab40b4fa 100644
--- a/src/main/java/com/webank/webase/node/mgr/block/BlockService.java
+++ b/src/main/java/com/webank/webase/node/mgr/block/BlockService.java
@@ -23,7 +23,7 @@
 import org.springframework.scheduling.annotation.Async;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.enums.TableName;
 import com.webank.webase.node.mgr.base.exception.NodeMgrException;
@@ -183,7 +183,7 @@ public void saveBLockInfo(BlockInfo blockInfo, Integer groupId) throws NodeMgrEx
      */
     @Transactional
     public void addBlockInfo(TbBlock tbBlock, int groupId) throws NodeMgrException {
-        log.debug("start addBlockInfo tbBlock:{}", JSON.toJSONString(tbBlock));
+        log.debug("start addBlockInfo tbBlock:{}", JsonTools.toJSONString(tbBlock));
         String tableName = TableName.BLOCK.getTableName(groupId);
         //check newBLock == dbMaxBLock +1
         BigInteger dbMaxBLock = blockmapper.getLatestBlockNumber(tableName);
@@ -204,7 +204,7 @@ public void addBlockInfo(TbBlock tbBlock, int groupId) throws NodeMgrException {
     public List<TbBlock> queryBlockList(int groupId, BlockListParam queryParam)
         throws NodeMgrException {
         log.debug("start queryBlockList groupId:{},queryParam:{}", groupId,
-            JSON.toJSONString(queryParam));
+            JsonTools.toJSONString(queryParam));
 
         List<TbBlock> listOfBlock = blockmapper
             .getList(TableName.BLOCK.getTableName(groupId), queryParam);
diff --git a/src/main/java/com/webank/webase/node/mgr/cert/CertController.java b/src/main/java/com/webank/webase/node/mgr/cert/CertController.java
index d3c54cb64..83df4f123 100644
--- a/src/main/java/com/webank/webase/node/mgr/cert/CertController.java
+++ b/src/main/java/com/webank/webase/node/mgr/cert/CertController.java
@@ -15,7 +15,7 @@
  */
 package com.webank.webase.node.mgr.cert;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.controller.BaseController;
 import com.webank.webase.node.mgr.base.entity.BasePageResponse;
@@ -71,7 +71,7 @@ public Object getCertByFingerPrint(@RequestParam(required = true)String fingerPr
             return new BaseResponse(ConstantCode.CERT_ERROR, e.getMessage());
         }
         log.info("end getCertByFingerPrint useTime:{} result:{}",
-                Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(tbCert));
+                Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(tbCert));
         return new BaseResponse(ConstantCode.SUCCESS, tbCert);
     }
 
@@ -88,7 +88,7 @@ public Object addCert(@RequestBody @Valid CertHandle certHandle,
                                   BindingResult result) throws NodeMgrException {
         Instant startTime = Instant.now();
         log.info("start addCert. startTime:{} certHandle:{}",
-                startTime.toEpochMilli(), JSON.toJSONString(certHandle));
+                startTime.toEpochMilli(), JsonTools.toJSONString(certHandle));
         checkBindResult(result);
         int count = 0;
         String content = certHandle.getContent();
@@ -113,7 +113,7 @@ public Object removeCert(@RequestBody @Valid CertHandle certHandle,
                           BindingResult result) throws NodeMgrException {
         Instant startTime = Instant.now();
         log.info("start removeCert. startTime:{} certHandle:{}",
-                startTime.toEpochMilli(), JSON.toJSONString(certHandle));
+                startTime.toEpochMilli(), JsonTools.toJSONString(certHandle));
         checkBindResult(result);
         int count = 0;
         String fingerPrint = certHandle.getFingerPrint();
diff --git a/src/main/java/com/webank/webase/node/mgr/chain/ChainController.java b/src/main/java/com/webank/webase/node/mgr/chain/ChainController.java
index 61901f164..03fcb90a4 100644
--- a/src/main/java/com/webank/webase/node/mgr/chain/ChainController.java
+++ b/src/main/java/com/webank/webase/node/mgr/chain/ChainController.java
@@ -15,7 +15,7 @@
  */
 package com.webank.webase.node.mgr.chain;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.entity.BaseResponse;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.exception.NodeMgrException;
@@ -61,7 +61,7 @@ public BaseResponse getChainMoinntorInfo(@PathVariable("frontId") Integer frontI
 
         response.setData(rspObj);
         log.info("end getChainInfo. endTime:{} response:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(response));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(response));
 
         return response;
     }
diff --git a/src/main/java/com/webank/webase/node/mgr/chain/ChainService.java b/src/main/java/com/webank/webase/node/mgr/chain/ChainService.java
index b7fd3eccc..9b6775645 100644
--- a/src/main/java/com/webank/webase/node/mgr/chain/ChainService.java
+++ b/src/main/java/com/webank/webase/node/mgr/chain/ChainService.java
@@ -15,7 +15,7 @@
 
 import static com.webank.webase.node.mgr.frontinterface.FrontRestTools.URI_CHAIN;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.exception.NodeMgrException;
 import com.webank.webase.node.mgr.base.properties.ConstantProperties;
@@ -75,7 +75,7 @@ public Object getChainMonitorInfo(Integer frontId, LocalDateTime beginDate,
         log.info("getChainMonitorInfo request url:{}", url);
 
         Object rspObj = genericRestTemplate.getForObject(url, Object.class);
-        log.debug("end getChainMonitorInfo. rspObj:{}", JSON.toJSONString(rspObj));
+        log.debug("end getChainMonitorInfo. rspObj:{}", JsonTools.toJSONString(rspObj));
         return rspObj;
     }
 }
diff --git a/src/main/java/com/webank/webase/node/mgr/contract/ContractController.java b/src/main/java/com/webank/webase/node/mgr/contract/ContractController.java
index 90e0d368c..319ca80cb 100644
--- a/src/main/java/com/webank/webase/node/mgr/contract/ContractController.java
+++ b/src/main/java/com/webank/webase/node/mgr/contract/ContractController.java
@@ -13,7 +13,7 @@
  */
 package com.webank.webase.node.mgr.contract;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.controller.BaseController;
 import com.webank.webase.node.mgr.base.entity.BasePageResponse;
@@ -66,7 +66,7 @@ public BaseResponse saveContract(@RequestBody @Valid Contract contract, BindingR
         BaseResponse baseResponse = new BaseResponse(ConstantCode.SUCCESS);
         Instant startTime = Instant.now();
         log.info("start saveContract startTime:{} contract:{}", startTime.toEpochMilli(),
-            JSON.toJSONString(contract));
+            JsonTools.toJSONString(contract));
 
         // add contract row
         TbContract tbContract = contractService.saveContract(contract);
@@ -74,7 +74,7 @@ public BaseResponse saveContract(@RequestBody @Valid Contract contract, BindingR
         baseResponse.setData(tbContract);
 
         log.info("end saveContract useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(baseResponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(baseResponse));
         return baseResponse;
     }
 
@@ -96,7 +96,7 @@ public BaseResponse deleteContract(@PathVariable("groupId") Integer groupId,
         contractService.deleteContract(contractId, groupId);
 
         log.info("end deleteContract useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(baseResponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(baseResponse));
         return baseResponse;
     }
 
@@ -110,7 +110,7 @@ public BasePageResponse queryContractList(@RequestBody QueryContractParam inputP
         BasePageResponse pagesponse = new BasePageResponse(ConstantCode.SUCCESS);
         Instant startTime = Instant.now();
         log.info("start contractList. startTime:{} inputParam:{}",
-            startTime.toEpochMilli(), JSON.toJSONString(inputParam));
+            startTime.toEpochMilli(), JsonTools.toJSONString(inputParam));
 
         //param
         ContractParam queryParam = new ContractParam();
@@ -130,7 +130,7 @@ public BasePageResponse queryContractList(@RequestBody QueryContractParam inputP
         }
 
         log.info("end contractList. useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(pagesponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(pagesponse));
         return pagesponse;
     }
 
@@ -150,7 +150,7 @@ public BaseResponse queryContract(@PathVariable("contractId") Integer contractId
         baseResponse.setData(contractRow);
 
         log.info("end queryContract useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(baseResponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(baseResponse));
         return baseResponse;
     }
 
@@ -165,13 +165,13 @@ public BaseResponse deployContract(@RequestBody @Valid DeployInputParam deployIn
         BaseResponse baseResponse = new BaseResponse(ConstantCode.SUCCESS);
         Instant startTime = Instant.now();
         log.info("start queryContract startTime:{} deployInputParam:{}", startTime.toEpochMilli(),
-            JSON.toJSONString(deployInputParam));
+            JsonTools.toJSONString(deployInputParam));
 
         TbContract tbContract = contractService.deployContract(deployInputParam);
         baseResponse.setData(tbContract);
 
         log.info("end deployContract useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(baseResponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(baseResponse));
 
         return baseResponse;
     }
@@ -190,12 +190,12 @@ public BaseResponse sendTransaction(@RequestBody @Valid TransactionInputParam pa
         }
         Instant startTime = Instant.now();
         log.info("start sendTransaction startTime:{} param:{}", startTime.toEpochMilli(),
-            JSON.toJSONString(param));
+            JsonTools.toJSONString(param));
         BaseResponse baseResponse = new BaseResponse(ConstantCode.SUCCESS);
         Object transRsp = contractService.sendTransaction(param);
         baseResponse.setData(transRsp);
         log.info("end sendTransaction useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(baseResponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(baseResponse));
 
         return baseResponse;
     }
@@ -210,14 +210,14 @@ public BaseResponse getByPartOfByecodebin(@RequestBody @Valid QueryByBinParam qu
         checkBindResult(result);
         Instant startTime = Instant.now();
         log.info("start getByPartOfByecodebin startTime:{} groupId:{} queryParam:{}",
-            startTime.toEpochMilli(), JSON.toJSONString(queryParam));
+            startTime.toEpochMilli(), JsonTools.toJSONString(queryParam));
         BaseResponse baseResponse = new BaseResponse(ConstantCode.SUCCESS);
         ContractParam param = new ContractParam();
         BeanUtils.copyProperties(queryParam, param);
         TbContract tbContract = contractService.queryContract(param);
         baseResponse.setData(tbContract);
         log.info("end getByPartOfByecodebin useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(baseResponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(baseResponse));
         return baseResponse;
     }
 }
diff --git a/src/main/java/com/webank/webase/node/mgr/contract/ContractService.java b/src/main/java/com/webank/webase/node/mgr/contract/ContractService.java
index 2e3aa6e2e..b7a47a29c 100644
--- a/src/main/java/com/webank/webase/node/mgr/contract/ContractService.java
+++ b/src/main/java/com/webank/webase/node/mgr/contract/ContractService.java
@@ -13,8 +13,7 @@
  */
 package com.webank.webase.node.mgr.contract;
 
-import com.alibaba.fastjson.JSON;
-import com.alibaba.fastjson.JSONArray;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.abi.AbiService;
 import com.webank.webase.node.mgr.abi.entity.AbiInfo;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
@@ -77,7 +76,7 @@ public class  ContractService {
      * add new contract data.
      */
     public TbContract saveContract(Contract contract) throws NodeMgrException {
-        log.debug("start addContractInfo Contract:{}", JSON.toJSONString(contract));
+        log.debug("start addContractInfo Contract:{}", JsonTools.toJSONString(contract));
         TbContract tbContract;
         if (contract.getContractId() == null) {
             tbContract = newContract(contract);//new
@@ -143,12 +142,12 @@ public void deleteContract(Integer contractId, int groupId) throws NodeMgrExcept
      * query contract list.
      */
     public List<TbContract> qureyContractList(ContractParam param) throws NodeMgrException {
-        log.debug("start qureyContractList ContractListParam:{}", JSON.toJSONString(param));
+        log.debug("start qureyContractList ContractListParam:{}", JsonTools.toJSONString(param));
 
         // query contract list
         List<TbContract> listOfContract = contractMapper.listOfContract(param);
 
-        log.debug("end qureyContractList listOfContract:{}", JSON.toJSONString(listOfContract));
+        log.debug("end qureyContractList listOfContract:{}", JsonTools.toJSONString(listOfContract));
         return listOfContract;
     }
 
@@ -157,7 +156,7 @@ public List<TbContract> qureyContractList(ContractParam param) throws NodeMgrExc
      * query count of contract.
      */
     public int countOfContract(ContractParam param) throws NodeMgrException {
-        log.debug("start countOfContract ContractListParam:{}", JSON.toJSONString(param));
+        log.debug("start countOfContract ContractListParam:{}", JsonTools.toJSONString(param));
         try {
             return contractMapper.countOfContract(param);
         } catch (RuntimeException ex) {
@@ -174,7 +173,7 @@ public TbContract queryByContractId(Integer contractId) throws NodeMgrException
         try {
             TbContract contractRow = contractMapper.queryByContractId(contractId);
             log.debug("start queryContract contractId:{} contractRow:{}", contractId,
-                JSON.toJSONString(contractRow));
+                JsonTools.toJSONString(contractRow));
             return contractRow;
         } catch (RuntimeException ex) {
             log.error("fail countOfContract", ex);
@@ -194,7 +193,7 @@ public List<TbContract> queryContractByBin(Integer groupId, String contractBin)
                 return null;
             }
             List<TbContract> contractRow = contractMapper.queryContractByBin(groupId, contractBin);
-            log.debug("start queryContractByBin:{}", contractBin, JSON.toJSONString(contractRow));
+            log.debug("start queryContractByBin:{}", contractBin, JsonTools.toJSONString(contractRow));
             return contractRow;
         } catch (RuntimeException ex) {
             log.error("fail queryContractByBin", ex);
@@ -206,7 +205,7 @@ public List<TbContract> queryContractByBin(Integer groupId, String contractBin)
      * deploy contract.
      */
     public TbContract deployContract(DeployInputParam inputParam) throws NodeMgrException {
-        log.info("start deployContract. inputParam:{}", JSON.toJSONString(inputParam));
+        log.info("start deployContract. inputParam:{}", JsonTools.toJSONString(inputParam));
         int groupId = inputParam.getGroupId();
 
         // check deploy permission
@@ -219,7 +218,7 @@ public TbContract deployContract(DeployInputParam inputParam) throws NodeMgrExce
         verifyContractNameNotExist(inputParam.getGroupId(), inputParam.getContractPath(),
             inputParam.getContractName(), inputParam.getContractId());
 
-        JSONArray abiArray = JSONArray.parseArray(inputParam.getContractAbi());
+        List<AbiDefinition> abiArray = JsonTools.toJavaObjectList(inputParam.getContractAbi(), AbiDefinition.class);
         if (abiArray == null || abiArray.isEmpty()) {
             log.info("fail deployContract. abi is empty");
             throw new NodeMgrException(ConstantCode.CONTRACT_ABI_EMPTY);
@@ -234,7 +233,7 @@ public TbContract deployContract(DeployInputParam inputParam) throws NodeMgrExce
         params.put("signUserId", signUserId);
         params.put("contractName", contractName);
         // params.put("version", version);
-        params.put("abiInfo", JSONArray.parseArray(inputParam.getContractAbi()));
+        params.put("abiInfo", abiArray);
         params.put("bytecodeBin", inputParam.getBytecodeBin());
         params.put("funcParam", inputParam.getConstructorParams());
 
@@ -264,10 +263,10 @@ public TbContract deployContract(DeployInputParam inputParam) throws NodeMgrExce
      * query contract info.
      */
     public TbContract queryContract(ContractParam queryParam) {
-        log.debug("start queryContract. queryParam:{}", JSON.toJSONString(queryParam));
+        log.debug("start queryContract. queryParam:{}", JsonTools.toJSONString(queryParam));
         TbContract tbContract = contractMapper.queryContract(queryParam);
-        log.debug("end queryContract. queryParam:{} tbContract:{}", JSON.toJSONString(queryParam),
-            JSON.toJSONString(tbContract));
+        log.debug("end queryContract. queryParam:{} tbContract:{}", JsonTools.toJSONString(queryParam),
+            JsonTools.toJSONString(tbContract));
         return tbContract;
     }
 
@@ -276,7 +275,7 @@ public TbContract queryContract(ContractParam queryParam) {
      * send transaction.
      */
     public Object sendTransaction(TransactionInputParam param) throws NodeMgrException {
-        log.debug("start sendTransaction. param:{}", JSON.toJSONString(param));
+        log.debug("start sendTransaction. param:{}", JsonTools.toJSONString(param));
 
         if (Objects.isNull(param)) {
             log.info("fail sendTransaction. request param is null");
@@ -314,7 +313,7 @@ public Object sendTransaction(TransactionInputParam param) throws NodeMgrExcepti
         Object frontRsp = frontRestTools
             .postForEntity(param.getGroupId(), FrontRestTools.URI_SEND_TRANSACTION_WITH_SIGN, transParam,
                 Object.class);
-        log.debug("end sendTransaction. frontRsp:{}", JSON.toJSONString(frontRsp));
+        log.debug("end sendTransaction. frontRsp:{}", JsonTools.toJSONString(frontRsp));
         return frontRsp;
     }
 
@@ -424,7 +423,7 @@ public void sendAbi(int groupId, int contractId, String address) {
         param.setGroupId(groupId);
         param.setContractName(contract.getContractName());
         param.setAddress(address);
-        param.setAbiInfo(JSONArray.parseArray(abiInfo, AbiDefinition.class));
+        param.setAbiInfo(JsonTools.toJavaObjectList(abiInfo, AbiDefinition.class));
         param.setContractBin(contract.getContractBin());
 
         frontInterface.sendAbi(groupId, param);
@@ -452,7 +451,7 @@ private void checkDeployPermission(int groupId, String userAddress) {
             return;
         } else {
             List listData = (List) response.getData();
-            deployUserList = JSON.parseArray(JSON.toJSONString(listData), PermissionInfo.class);
+            deployUserList = JsonTools.toJavaObjectList(JsonTools.toJSONString(listData), PermissionInfo.class);
         }
 
         // check user in the list
diff --git a/src/main/java/com/webank/webase/node/mgr/front/FrontController.java b/src/main/java/com/webank/webase/node/mgr/front/FrontController.java
index afe94784a..890aed9a2 100644
--- a/src/main/java/com/webank/webase/node/mgr/front/FrontController.java
+++ b/src/main/java/com/webank/webase/node/mgr/front/FrontController.java
@@ -14,7 +14,7 @@
 package com.webank.webase.node.mgr.front;
 
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.controller.BaseController;
 import com.webank.webase.node.mgr.base.entity.BasePageResponse;
@@ -61,12 +61,12 @@ public BaseResponse newFront(@RequestBody @Valid FrontInfo frontInfo, BindingRes
         checkBindResult(result);
         Instant startTime = Instant.now();
         log.info("start newFront startTime:{} frontInfo:{}",
-            startTime.toEpochMilli(), JSON.toJSONString(frontInfo));
+            startTime.toEpochMilli(), JsonTools.toJSONString(frontInfo));
         BaseResponse baseResponse = new BaseResponse(ConstantCode.SUCCESS);
         TbFront tbFront = frontService.newFront(frontInfo);
         baseResponse.setData(tbFront);
         log.info("end newFront useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(baseResponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(baseResponse));
         return baseResponse;
     }
 
@@ -98,7 +98,7 @@ public BasePageResponse queryFrontList(
         }
 
         log.info("end queryFrontList useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(pagesponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(pagesponse));
         return pagesponse;
     }
 
@@ -116,7 +116,7 @@ public BaseResponse removeFront(@PathVariable("frontId") Integer frontId) {
         frontService.removeFront(frontId);
 
         log.info("end removeFront useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(baseResponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(baseResponse));
         return baseResponse;
     }
 }
diff --git a/src/main/java/com/webank/webase/node/mgr/front/FrontService.java b/src/main/java/com/webank/webase/node/mgr/front/FrontService.java
index 4df8f5494..52e506684 100644
--- a/src/main/java/com/webank/webase/node/mgr/front/FrontService.java
+++ b/src/main/java/com/webank/webase/node/mgr/front/FrontService.java
@@ -13,7 +13,7 @@
  */
 package com.webank.webase.node.mgr.front;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.enums.DataStatus;
 import com.webank.webase.node.mgr.base.enums.GroupType;
@@ -124,7 +124,7 @@ public TbFront newFront(FrontInfo frontInfo) {
         //save front info
         frontMapper.add(tbFront);
         if (tbFront.getFrontId() == null || tbFront.getFrontId() == 0) {
-            log.warn("fail newFront, after save, tbFront:{}", JSON.toJSONString(tbFront));
+            log.warn("fail newFront, after save, tbFront:{}", JsonTools.toJSONString(tbFront));
             throw new NodeMgrException(ConstantCode.SAVE_FRONT_FAIL);
         }
         for (String groupId : groupIdList) {
@@ -305,7 +305,7 @@ public void updateFrontWithInternal(Integer frontId, Integer status) {
 		Duration duration = Duration.between(modifyTime, LocalDateTime.now());
 		Long subTime = duration.toMillis();
 		if (subTime < CHECK_FRONT_STATUS_WAIT_MIN_MILLIS && createTime.isBefore(modifyTime)) {
-			log.info("updateFrontWithInternal jump. subTime:{}, minInternal:{}",
+			log.debug("updateFrontWithInternal jump. subTime:{}, minInternal:{}",
 					subTime, CHECK_FRONT_STATUS_WAIT_MIN_MILLIS);
 			return;
 		}
diff --git a/src/main/java/com/webank/webase/node/mgr/frontinterface/FrontInterfaceService.java b/src/main/java/com/webank/webase/node/mgr/frontinterface/FrontInterfaceService.java
index 11cc8c3a2..9788edc52 100644
--- a/src/main/java/com/webank/webase/node/mgr/frontinterface/FrontInterfaceService.java
+++ b/src/main/java/com/webank/webase/node/mgr/frontinterface/FrontInterfaceService.java
@@ -13,6 +13,7 @@
  */
 package com.webank.webase.node.mgr.frontinterface;
 
+import com.fasterxml.jackson.databind.JsonNode;
 import java.math.BigInteger;
 import java.util.*;
 
@@ -33,8 +34,7 @@
 import org.springframework.stereotype.Service;
 import org.springframework.web.client.HttpStatusCodeException;
 import org.springframework.web.client.RestTemplate;
-import com.alibaba.fastjson.JSON;
-import com.alibaba.fastjson.JSONObject;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.exception.NodeMgrException;
 import com.webank.webase.node.mgr.base.properties.ConstantProperties;
 import com.webank.webase.node.mgr.block.entity.BlockInfo;
@@ -45,7 +45,7 @@
 import com.webank.webase.node.mgr.frontinterface.entity.SyncStatus;
 import com.webank.webase.node.mgr.monitor.ChainTransInfo;
 import com.webank.webase.node.mgr.node.entity.PeerInfo;
-import com.webank.webase.node.mgr.transaction.entity.TransReceipt;
+import org.fisco.bcos.web3j.protocol.core.methods.response.TransactionReceipt;
 import com.webank.webase.node.mgr.transaction.entity.TransactionInfo;
 import lombok.extern.log4j.Log4j2;
 
@@ -83,13 +83,19 @@ private <T> T requestSpecificFront(int groupId, String frontIp, Integer frontPor
             ResponseEntity<T> response = genericRestTemplate.exchange(url, method, entity, clazz);
             return response.getBody();
         } catch (HttpStatusCodeException ex) {
-            JSONObject error = JSONObject.parseObject(ex.getResponseBodyAsString());
-            log.error("http request fail. error:{}", JSON.toJSONString(error));
-            if (error.containsKey("code") && error.containsKey("errorMessage")) {
-                throw new NodeMgrException(error.getInteger("code"),
-                        error.getString("errorMessage"));
+            JsonNode error = JsonTools.stringToJsonNode(ex.getResponseBodyAsString());
+            log.error("http request fail. error:{}", JsonTools.toJSONString(error));
+            if (error == null) {
+                log.error("deserialize http response error");
+                throw new NodeMgrException(ConstantCode.REQUEST_FRONT_FAIL, ex);
+            }
+            try {
+                int code = error.get("code").intValue();
+                String errorMessage = error.get("errorMessage").asText();
+                throw new NodeMgrException(code, errorMessage);
+            } catch (NullPointerException e) {
+                throw new NodeMgrException(ConstantCode.REQUEST_FRONT_FAIL, ex);
             }
-            throw new NodeMgrException(ConstantCode.REQUEST_FRONT_FAIL, ex);
         }
     }
 
@@ -111,11 +117,11 @@ private <T> T getFromSpecificFront(int groupId, String frontIp, Integer frontPor
      * send contract abi
      */
     public void sendAbi(int groupId, PostAbiInfo param) {
-        log.debug("start sendAbi groupId:{} param:{}", groupId, JSON.toJSONString(param));
+        log.debug("start sendAbi groupId:{} param:{}", groupId, JsonTools.toJSONString(param));
 
         frontRestTools.postForEntity(groupId, FrontRestTools.URI_CONTRACT_SENDABI, param,
                 Object.class);
-        log.debug("end sendAbi groupId:{} param:{}", groupId, JSON.toJSONString(param));
+        log.debug("end sendAbi groupId:{} param:{}", groupId, JsonTools.toJSONString(param));
 
     }
 
@@ -208,10 +214,10 @@ public String getContractCode(Integer groupId, String address, BigInteger blockN
     /**
      * get transaction receipt.
      */
-    public TransReceipt getTransReceipt(Integer groupId, String transHash) throws NodeMgrException {
+    public TransactionReceipt getTransReceipt(Integer groupId, String transHash) throws NodeMgrException {
         log.debug("start getTransReceipt groupId:{} transaction:{}", groupId, transHash);
         String uri = String.format(FrontRestTools.FRONT_TRANS_RECEIPT_BY_HASH_URI, transHash);
-        TransReceipt transReceipt = frontRestTools.getForEntity(groupId, uri, TransReceipt.class);
+        TransactionReceipt transReceipt = frontRestTools.getForEntity(groupId, uri, TransactionReceipt.class);
         log.debug("end getTransReceipt");
         return transReceipt;
     }
@@ -257,7 +263,7 @@ public BlockInfo getblockByHash(Integer groupId, String pkHash) throws NodeMgrEx
         log.debug("start getblockByHash. groupId:{}  pkHash:{}", groupId, pkHash);
         String uri = String.format(FrontRestTools.URI_BLOCK_BY_HASH, pkHash);
         BlockInfo blockInfo = frontRestTools.getForEntity(groupId, uri, BlockInfo.class);
-        log.debug("end getblockByHash. blockInfo:{}", JSON.toJSONString(blockInfo));
+        log.debug("end getblockByHash. blockInfo:{}", JsonTools.toJSONString(blockInfo));
         return blockInfo;
     }
 
@@ -273,7 +279,7 @@ public ChainTransInfo getTransInfoByHash(Integer groupId, String hash) throws No
         }
         ChainTransInfo chainTransInfo = new ChainTransInfo(trans.getFrom(), trans.getTo(),
                 trans.getInput(), trans.getBlockNumber());
-        log.debug("end getTransInfoByHash:{}", JSON.toJSONString(chainTransInfo));
+        log.debug("end getTransInfoByHash:{}", JsonTools.toJSONString(chainTransInfo));
         return chainTransInfo;
     }
 
@@ -283,7 +289,7 @@ public ChainTransInfo getTransInfoByHash(Integer groupId, String hash) throws No
     public String getAddressByHash(Integer groupId, String transHash) throws NodeMgrException {
         log.debug("start getAddressByHash. groupId:{} transHash:{}", groupId, transHash);
 
-        TransReceipt transReceipt = getTransReceipt(groupId, transHash);
+        TransactionReceipt transReceipt = getTransReceipt(groupId, transHash);
         String contractAddress = transReceipt.getContractAddress();
         log.debug("end getAddressByHash. contractAddress{}", contractAddress);
         return contractAddress;
@@ -325,7 +331,7 @@ public List<TransactionInfo> getTransByBlockNumber(Integer groupId, BigInteger b
             return null;
         }
         List<TransactionInfo> transInBLock = blockInfo.getTransactions();
-        log.debug("end getTransByBlockNumber. transInBLock:{}", JSON.toJSONString(transInBLock));
+        log.debug("end getTransByBlockNumber. transInBLock:{}", JsonTools.toJSONString(transInBLock));
         return transInBLock;
     }
 
@@ -335,7 +341,7 @@ public List<TransactionInfo> getTransByBlockNumber(Integer groupId, BigInteger b
     public List<String> getGroupPeers(Integer groupId) {
         log.debug("start getGroupPeers. groupId:{}", groupId);
         List<String> groupPeers = frontRestTools.getForEntity(groupId, FrontRestTools.URI_GROUP_PEERS, List.class);
-        log.debug("end getGroupPeers. groupPeers:{}", JSON.toJSONString(groupPeers));
+        log.debug("end getGroupPeers. groupPeers:{}", JsonTools.toJSONString(groupPeers));
         return groupPeers;
     }
 
@@ -346,7 +352,7 @@ public List<String> getObserverList(Integer groupId) {
         log.debug("start getObserverList. groupId:{}", groupId);
         List<String> observers =
                 frontRestTools.getForEntity(groupId, FrontRestTools.URI_GET_OBSERVER_LIST, List.class);
-        log.info("end getObserverList. observers:{}", JSON.toJSONString(observers));
+        log.info("end getObserverList. observers:{}", JsonTools.toJSONString(observers));
         return observers;
     }
 
@@ -377,7 +383,7 @@ public SyncStatus getSyncStatus(Integer groupId) {
         log.debug("start getSyncStatus. groupId:{}", groupId);
         SyncStatus ststus = frontRestTools.getForEntity(groupId, FrontRestTools.URI_CSYNC_STATUS,
                 SyncStatus.class);
-        log.debug("end getSyncStatus. ststus:{}", JSON.toJSONString(ststus));
+        log.debug("end getSyncStatus. ststus:{}", JsonTools.toJSONString(ststus));
         return ststus;
     }
 
@@ -399,7 +405,7 @@ public List<String> getSealerList(Integer groupId) {
         log.debug("start getSealerList. groupId:{}", groupId);
         List getSealerList = frontRestTools.getForEntity(groupId,
                 FrontRestTools.URI_GET_SEALER_LIST, List.class);
-        log.debug("end getSealerList. getSealerList:{}", JSON.toJSONString(getSealerList));
+        log.debug("end getSealerList. getSealerList:{}", JsonTools.toJSONString(getSealerList));
         return getSealerList;
     }
 
@@ -449,7 +455,7 @@ public String getClientVersion(String frontIp, Integer frontPort,
      */
     public GroupHandleResult generateGroup(String frontIp, Integer frontPort,
             GenerateGroupInfo param) {
-        log.debug("start generateGroup frontIp:{} frontPort:{} param:{}", frontIp, frontPort, JSON.toJSONString(param));
+        log.debug("start generateGroup frontIp:{} frontPort:{} param:{}", frontIp, frontPort, JsonTools.toJSONString(param));
 
         Integer groupId = Integer.MAX_VALUE;
         GroupHandleResult groupHandleResult = requestSpecificFront(groupId, frontIp, frontPort,
@@ -511,7 +517,7 @@ public List<NewBlockEventInfo> getNewBlockEventInfo(String frontIp, Integer fron
             return new ArrayList<>();
         }
         List data = (List) response.getData();
-        List<NewBlockEventInfo> resList = JSON.parseArray(JSON.toJSONString(data), NewBlockEventInfo.class);
+        List<NewBlockEventInfo> resList = JsonTools.toJavaObjectList(JsonTools.toJSONString(data), NewBlockEventInfo.class);
         resList.forEach(info -> info.setFrontInfo(frontIp));
         return resList;
     }
@@ -527,7 +533,7 @@ public List<ContractEventInfo> getContractEventInfo(String frontIp, Integer fron
 			return new ArrayList<>();
 		}
 		List data = (List) response.getData();
-		List<ContractEventInfo> resList = JSON.parseArray(JSON.toJSONString(data), ContractEventInfo.class);
+		List<ContractEventInfo> resList = JsonTools.toJavaObjectList(JsonTools.toJSONString(data), ContractEventInfo.class);
 		resList.forEach(info -> info.setFrontInfo(frontIp));
 		return resList;
 	}
@@ -535,7 +541,7 @@ public List<ContractEventInfo> getContractEventInfo(String frontIp, Integer fron
 	public List<KeyPair> getKeyStoreList(Integer groupId, String frontIp, Integer frontPort) {
         List data = getFromSpecificFront(groupId, frontIp, frontPort,
                 FrontRestTools.URI_KEY_PAIR_LOCAL_KEYSTORE, List.class);
-        List<KeyPair> resList = JSON.parseArray(JSON.toJSONString(data), KeyPair.class);
+        List<KeyPair> resList = JsonTools.toJavaObjectList(JsonTools.toJSONString(data), KeyPair.class);
         return resList;
     }
 
diff --git a/src/main/java/com/webank/webase/node/mgr/frontinterface/FrontRestTools.java b/src/main/java/com/webank/webase/node/mgr/frontinterface/FrontRestTools.java
index fd1bc6ac2..c5f0c7bb6 100644
--- a/src/main/java/com/webank/webase/node/mgr/frontinterface/FrontRestTools.java
+++ b/src/main/java/com/webank/webase/node/mgr/frontinterface/FrontRestTools.java
@@ -14,8 +14,8 @@
 
 package com.webank.webase.node.mgr.frontinterface;
 
-import com.alibaba.fastjson.JSON;
-import com.alibaba.fastjson.JSONObject;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.enums.DataStatus;
 import com.webank.webase.node.mgr.base.exception.NodeMgrException;
@@ -195,7 +195,7 @@ private void setFailCount(String url, String methodType) {
         failInfo.setLatestTime(Instant.now());
         failInfo.setFailCount(failInfo.getFailCount() + 1);
         failRequestMap.put(key, failInfo);
-        log.info("the latest failInfo:{}", JSON.toJSONString(failRequestMap));
+        log.info("the latest failInfo:{}", JsonTools.toJSONString(failRequestMap));
     }
 
 
@@ -211,7 +211,7 @@ private String buildKey(String url, String methodType) {
      * delete key of map.
      */
     private static void deleteKeyOfMap(Map<String, FailInfo> map, String rkey) {
-        log.info("start deleteKeyOfMap. rkey:{} map:{}", rkey, JSON.toJSONString(map));
+        log.info("start deleteKeyOfMap. rkey:{} map:{}", rkey, JsonTools.toJSONString(map));
         Iterator<String> iter = map.keySet().iterator();
         while (iter.hasNext()) {
             String key = iter.next();
@@ -220,7 +220,7 @@ private static void deleteKeyOfMap(Map<String, FailInfo> map, String rkey) {
                 iter.remove();
             }
         }
-        log.info("end deleteKeyOfMap. rkey:{} map:{}", rkey, JSON.toJSONString(map));
+        log.info("end deleteKeyOfMap. rkey:{} map:{}", rkey, JsonTools.toJSONString(map));
     }
 
 
@@ -229,11 +229,11 @@ private static void deleteKeyOfMap(Map<String, FailInfo> map, String rkey) {
      */
     private FrontUrlInfo buildFrontUrl(ArrayList<FrontGroup> list, String uri, HttpMethod httpMethod) {
         Collections.shuffle(list);//random one
-        log.info("====================map list:{}",JSON.toJSONString(list));
+        log.info("====================map list:{}",JsonTools.toJSONString(list));
         Iterator<FrontGroup> iterator = list.iterator();
         while (iterator.hasNext()) {
             FrontGroup frontGroup = iterator.next();
-            log.info("============frontGroup:{}",JSON.toJSONString(frontGroup));
+            log.info("============frontGroup:{}",JsonTools.toJSONString(frontGroup));
             FrontUrlInfo frontUrlInfo = new FrontUrlInfo();
             frontUrlInfo.setFrontId(frontGroup.getFrontId());
 
@@ -263,7 +263,7 @@ public static HttpEntity buildHttpEntity(Object param) {
         headers.setContentType(MediaType.APPLICATION_JSON_UTF8);
         String paramStr = null;
         if (Objects.nonNull(param)) {
-            paramStr = JSON.toJSONString(param);
+            paramStr = JsonTools.toJSONString(param);
         }
         HttpEntity requestEntity = new HttpEntity(paramStr, headers);
         return requestEntity;
@@ -349,14 +349,16 @@ private <T> T restTemplateExchange(int groupId, String uri, HttpMethod method,
                 log.info("continue next front", ex);
                 continue;
             } catch (HttpStatusCodeException ex) {
-                JSONObject error = JSONObject.parseObject(ex.getResponseBodyAsString());
-                log.error("http request fail. error:{}", JSON.toJSONString(error));
-                if (error.containsKey("code") && error.containsKey("errorMessage")) {
-                    throw new NodeMgrException(error.getInteger("code"),
-                            error.getString("errorMessage"), ex);
+                JsonNode error = JsonTools.stringToJsonNode(ex.getResponseBodyAsString());
+                log.error("http request fail. error:{}", JsonTools.toJSONString(error));
+                try {
+                    int code = error.get("code").intValue();
+                    String errorMessage = error.get("errorMessage").asText();
+                    frontService.updateFrontWithInternal(frontUrlInfo.getFrontId(), DataStatus.INVALID.getValue());
+                    throw new NodeMgrException(code, errorMessage);
+                } catch (NullPointerException e) {
+                    throw new NodeMgrException(ConstantCode.REQUEST_FRONT_FAIL);
                 }
-                frontService.updateFrontWithInternal(frontUrlInfo.getFrontId(), DataStatus.INVALID.getValue());
-                throw new NodeMgrException(ConstantCode.REQUEST_FRONT_FAIL.getCode(), error.getString("message"));
             }
         }
         return null;
diff --git a/src/main/java/com/webank/webase/node/mgr/group/GroupController.java b/src/main/java/com/webank/webase/node/mgr/group/GroupController.java
index f363aa089..14c4ab205 100644
--- a/src/main/java/com/webank/webase/node/mgr/group/GroupController.java
+++ b/src/main/java/com/webank/webase/node/mgr/group/GroupController.java
@@ -13,7 +13,7 @@
  */
 package com.webank.webase.node.mgr.group;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.controller.BaseController;
 import com.webank.webase.node.mgr.base.entity.BasePageResponse;
@@ -86,7 +86,7 @@ public BaseResponse getGroupGeneral(@PathVariable("groupId") Integer groupId)
         baseResponse.setData(groupGeneral);
         log.info("end getGroupGeneral useTime:{} result:{}",
                 Duration.between(startTime, Instant.now()).toMillis(),
-                JSON.toJSONString(baseResponse));
+                JsonTools.toJSONString(baseResponse));
         return baseResponse;
     }
 
@@ -112,7 +112,7 @@ public BasePageResponse getAllGroup() throws NodeMgrException {
 
         log.info("end getAllGroup useTime:{} result:{}",
                 Duration.between(startTime, Instant.now()).toMillis(),
-                JSON.toJSONString(pagesponse));
+                JsonTools.toJSONString(pagesponse));
         return pagesponse;
     }
 
@@ -149,7 +149,7 @@ public BasePageResponse getAllGroupIncludeInvalidGroup(@PathVariable(value = "pa
 
         log.info("end getAllGroupIncludeInvalidGroup useTime:{} result:{}",
                 Duration.between(startTime, Instant.now()).toMillis(),
-                JSON.toJSONString(pagesponse));
+                JsonTools.toJSONString(pagesponse));
         return pagesponse;
     }
 
@@ -175,7 +175,7 @@ public BaseResponse getAllGroupOfStatus(@PathVariable("groupStatus") Integer gro
 
         log.info("end getAllGroupOfStatus useTime:{} result:{}",
                 Duration.between(startTime, Instant.now()).toMillis(),
-                JSON.toJSONString(response));
+                JsonTools.toJSONString(response));
         return response;
     }
 
@@ -194,7 +194,7 @@ public BaseResponse getTransDaily(@PathVariable("groupId") Integer groupId) thro
 
         log.info("end getAllGroup useTime:{} result:{}",
                 Duration.between(startTime, Instant.now()).toMillis(),
-                JSON.toJSONString(pagesponse));
+                JsonTools.toJSONString(pagesponse));
         return pagesponse;
     }
 
@@ -254,7 +254,7 @@ public Object operateGroup(@PathVariable("nodeId") String nodeId, @RequestBody @
         Object groupHandleResult = groupService.operateGroup(nodeId, groupId, type);
         log.info("end operateGroup useTime:{} result:{}",
                 Duration.between(startTime, Instant.now()).toMillis(),
-                JSON.toJSONString(groupHandleResult));
+                JsonTools.toJSONString(groupHandleResult));
         return groupHandleResult;
     }
 
@@ -274,7 +274,7 @@ public BaseResponse getGroupStatusList(@Valid @RequestBody ReqGroupStatus reqGro
         baseResponse.setData(resList);
         log.info("end getGroupStatusMap useTime:{} result:{}",
                 Duration.between(startTime, Instant.now()).toMillis(),
-                JSON.toJSONString(baseResponse));
+                JsonTools.toJSONString(baseResponse));
         return baseResponse;
     }
 
@@ -294,7 +294,7 @@ public BaseResponse batchStartGroup(@RequestBody @Valid ReqBatchStartGroup req,
         baseResponse.setData(operateResultList);
         log.info("end batchStartGroup useTime:{} result:{}",
                 Duration.between(startTime, Instant.now()).toMillis(),
-                JSON.toJSONString(baseResponse));
+                JsonTools.toJSONString(baseResponse));
         return baseResponse;
     }
 
@@ -309,7 +309,7 @@ public BaseResponse updateGroup() throws NodeMgrException {
         groupService.resetGroupList();
         log.info("end updateGroup useTime:{} result:{}",
                 Duration.between(startTime, Instant.now()).toMillis(),
-                JSON.toJSONString(baseResponse));
+                JsonTools.toJSONString(baseResponse));
         return baseResponse;
     }
 
@@ -324,7 +324,7 @@ public BaseResponse deleteGroupData(@PathVariable("groupId") Integer groupId) {
         groupService.removeAllDataByGroupId(groupId);
         log.warn("end deleteGroupData useTime:{} result:{}",
                 Duration.between(startTime, Instant.now()).toMillis(),
-                JSON.toJSONString(baseResponse));
+                JsonTools.toJSONString(baseResponse));
         return baseResponse;
     }
 }
diff --git a/src/main/java/com/webank/webase/node/mgr/group/GroupService.java b/src/main/java/com/webank/webase/node/mgr/group/GroupService.java
index efae386b6..a2dbd7784 100644
--- a/src/main/java/com/webank/webase/node/mgr/group/GroupService.java
+++ b/src/main/java/com/webank/webase/node/mgr/group/GroupService.java
@@ -13,7 +13,7 @@
  */
 package com.webank.webase.node.mgr.group;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.entity.BaseResponse;
 import com.webank.webase.node.mgr.base.enums.GroupStatus;
@@ -117,7 +117,7 @@ public List<TbGroup> getGroupList(Integer groupStatus) throws NodeMgrException {
         try {
             List<TbGroup> groupList = groupMapper.getList(groupStatus);
 
-            log.debug("end getGroupList groupList:{}", JSON.toJSONString(groupList));
+            log.debug("end getGroupList groupList:{}", JsonTools.toJSONString(groupList));
             return groupList;
         } catch (RuntimeException ex) {
             log.error("fail getGroupList", ex);
@@ -166,7 +166,7 @@ public List<StatisticalGroupTransInfo> queryLatestStatisticalTrans() throws Node
             List<StatisticalGroupTransInfo> listStatisticalTrans = groupMapper
                     .queryLatestStatisticalTrans();
             log.debug("end queryLatestStatisticalTrans listStatisticalTrans:{}",
-                    JSON.toJSONString(listStatisticalTrans));
+                    JsonTools.toJSONString(listStatisticalTrans));
             return listStatisticalTrans;
         } catch (RuntimeException ex) {
             log.error("fail queryLatestStatisticalTrans", ex);
@@ -377,7 +377,7 @@ private void checkAndUpdateGroupStatus(Set<Integer> allGroupOnChain) {
                 }
 
             } catch (Exception ex) {
-                log.info("fail check group. localGroup:{}", JSON.toJSONString(localGroup));
+                log.info("fail check group. localGroup:{}", JsonTools.toJSONString(localGroup));
                 continue;
             }
 
@@ -834,7 +834,7 @@ public TbGroup saveGroup(int groupId, int nodeCount, String description, int gro
                 new TbGroup(groupId, groupName, nodeCount, description,
                         groupType, groupStatus);
         tbGroup.setGroupTimestamp(timestamp.toString(10));
-        tbGroup.setNodeIdList(JSON.toJSONString(nodeIdList));
+        tbGroup.setNodeIdList(JsonTools.toJSONString(nodeIdList));
         groupMapper.save(tbGroup);
         // create table by group id
         tableService.newTableByGroupId(groupId);
diff --git a/src/main/java/com/webank/webase/node/mgr/method/MethodController.java b/src/main/java/com/webank/webase/node/mgr/method/MethodController.java
index ffd2f73cc..cfa1c64b6 100644
--- a/src/main/java/com/webank/webase/node/mgr/method/MethodController.java
+++ b/src/main/java/com/webank/webase/node/mgr/method/MethodController.java
@@ -13,7 +13,7 @@
  */
 package com.webank.webase.node.mgr.method;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.controller.BaseController;
 import com.webank.webase.node.mgr.base.entity.BaseResponse;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
@@ -54,12 +54,12 @@ public BaseResponse addMethod(@RequestBody @Valid NewMethodInputParam newMethodI
         BaseResponse baseResponse = new BaseResponse(ConstantCode.SUCCESS);
         Instant startTime = Instant.now();
         log.info("start addMethod. startTime:{} newMethodInputParam:{}",
-            startTime.toEpochMilli(), JSON.toJSONString(newMethodInputParam));
+            startTime.toEpochMilli(), JsonTools.toJSONString(newMethodInputParam));
 
         methodService.saveMethod(newMethodInputParam);
 
         log.info("end addMethod. useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(baseResponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(baseResponse));
         return baseResponse;
     }
 
@@ -78,7 +78,7 @@ public BaseResponse getBymethodId(@PathVariable("groupId") Integer groupId,
         baseResponse.setData(tbMethod);
 
         log.info("end addMethodInfo. useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(baseResponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(baseResponse));
         return baseResponse;
     }
 }
diff --git a/src/main/java/com/webank/webase/node/mgr/monitor/MonitorController.java b/src/main/java/com/webank/webase/node/mgr/monitor/MonitorController.java
index 35599a3d7..3a8515582 100644
--- a/src/main/java/com/webank/webase/node/mgr/monitor/MonitorController.java
+++ b/src/main/java/com/webank/webase/node/mgr/monitor/MonitorController.java
@@ -15,7 +15,7 @@
  */
 package com.webank.webase.node.mgr.monitor;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.entity.BasePageResponse;
 import com.webank.webase.node.mgr.base.entity.BaseResponse;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
@@ -54,7 +54,7 @@ public BaseResponse monitorUserList(@PathVariable("groupId") Integer groupId)
         response.setData(listOfUser);
 
         log.info("end monitorUserList useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(response));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(response));
         return response;
     }
 
@@ -74,7 +74,7 @@ public BaseResponse monitorInterfaceList(@PathVariable("groupId") Integer groupI
         response.setData(listOfInterface);
 
         log.info("end monitorInterfaceList useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(response));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(response));
         return response;
     }
 
@@ -99,7 +99,7 @@ public BaseResponse monitorTransList(@PathVariable("groupId") Integer groupId,
             .qureyMonitorTransList(groupId, userName, startDate, endDate, interfaceName);
 
         log.info("end monitorTransList useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(response));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(response));
         return response;
     }
 
@@ -129,7 +129,7 @@ public BasePageResponse unusualUserList(@PathVariable("groupId") Integer groupId
         }
 
         log.info("end unusualUserList useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(pagesponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(pagesponse));
         return pagesponse;
     }
 
@@ -159,7 +159,7 @@ public BasePageResponse unusualContractList(@PathVariable("groupId") Integer gro
         }
 
         log.info("end unusualContractList useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(pagesponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(pagesponse));
         return pagesponse;
     }
 }
diff --git a/src/main/java/com/webank/webase/node/mgr/monitor/MonitorService.java b/src/main/java/com/webank/webase/node/mgr/monitor/MonitorService.java
index 5a5f96337..42813e564 100644
--- a/src/main/java/com/webank/webase/node/mgr/monitor/MonitorService.java
+++ b/src/main/java/com/webank/webase/node/mgr/monitor/MonitorService.java
@@ -31,7 +31,7 @@
 import org.springframework.context.annotation.Lazy;
 import org.springframework.scheduling.annotation.Async;
 import org.springframework.stereotype.Service;
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.entity.BaseResponse;
 import com.webank.webase.node.mgr.base.enums.MonitorUserType;
@@ -211,7 +211,7 @@ public List<TbMonitor> qureyMonitorUserList(Integer groupId) throws NodeMgrExcep
             .monitorUserList(TableName.MONITOR.getTableName(groupId));
 
         log.debug("end qureyMonitorUserList monitorUserList:{}",
-            JSON.toJSONString(monitorUserList));
+            JsonTools.toJSONString(monitorUserList));
         return monitorUserList;
     }
 
@@ -225,7 +225,7 @@ public List<TbMonitor> qureyMonitorInterfaceList(Integer groupId, String userNam
             .monitorInterfaceList(TableName.MONITOR.getTableName(groupId), userName);
 
         log.debug("end qureyMonitorInterfaceList monitorInterfaceList:{}",
-            JSON.toJSONString(monitorInterfaceList));
+            JsonTools.toJSONString(monitorInterfaceList));
         return monitorInterfaceList;
     }
 
@@ -282,7 +282,7 @@ public List<UnusualUserInfo> qureyUnusualUserList(Integer groupId, String userNa
         List<UnusualUserInfo> listOfUnusualUser = monitorMapper.listOfUnusualUser(param);
 
         log.debug("end qureyUnusualUserList listOfUnusualUser:{}",
-            JSON.toJSONString(listOfUnusualUser));
+            JsonTools.toJSONString(listOfUnusualUser));
         return listOfUnusualUser;
     }
 
@@ -318,7 +318,7 @@ public List<UnusualContractInfo> qureyUnusualContractList(Integer groupId,
             .listOfUnusualContract(param);
 
         log.debug("end qureyUnusualContractList listOfUnusualContract:{}",
-            JSON.toJSONString(listOfUnusualContract));
+            JsonTools.toJSONString(listOfUnusualContract));
         return listOfUnusualContract;
     }
 
diff --git a/src/main/java/com/webank/webase/node/mgr/monitor/MonitorTransactionService.java b/src/main/java/com/webank/webase/node/mgr/monitor/MonitorTransactionService.java
index 03c6f08fd..5dbfaa722 100644
--- a/src/main/java/com/webank/webase/node/mgr/monitor/MonitorTransactionService.java
+++ b/src/main/java/com/webank/webase/node/mgr/monitor/MonitorTransactionService.java
@@ -13,7 +13,7 @@
  */
 package com.webank.webase.node.mgr.monitor;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.enums.TableName;
 import com.webank.webase.node.mgr.transaction.TransHashService;
 import lombok.extern.log4j.Log4j2;
@@ -36,7 +36,7 @@ public class MonitorTransactionService {
     public void dataAddAndUpdate(int groupId, TbMonitor tbMonitor) {
         TbMonitor dbInfo = this.queryTbMonitor(groupId, tbMonitor);
         if (dbInfo == null) {
-            log.info("====== data is not exist, add tbMonitor:{}", JSON.toJSONString(tbMonitor));
+            log.info("====== data is not exist, add tbMonitor:{}", JsonTools.toJSONString(tbMonitor));
             this.addRow(groupId, tbMonitor);
         } else {
             String[] txHashsArr = dbInfo.getTransHashs().split(",");
diff --git a/src/main/java/com/webank/webase/node/mgr/node/NodeController.java b/src/main/java/com/webank/webase/node/mgr/node/NodeController.java
index 491740cb0..06e672df0 100644
--- a/src/main/java/com/webank/webase/node/mgr/node/NodeController.java
+++ b/src/main/java/com/webank/webase/node/mgr/node/NodeController.java
@@ -13,7 +13,7 @@
  */
 package com.webank.webase.node.mgr.node;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.entity.BasePageResponse;
 import com.webank.webase.node.mgr.base.entity.BaseResponse;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
@@ -82,7 +82,7 @@ public BasePageResponse queryNodeList(@PathVariable("groupId") Integer groupId,
         }
 
         log.info("end queryNodeList useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(pagesponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(pagesponse));
         return pagesponse;
     }
 
@@ -108,7 +108,7 @@ public BaseResponse getNodeInfo(@PathVariable("groupId") Integer groupId)
         baseResponse.setData(tbNode);
 
         log.info("end addNodeInfo useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(baseResponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(baseResponse));
         return baseResponse;
     }
 
@@ -126,7 +126,7 @@ public BaseResponse getNodeIdList(@PathVariable("groupId") Integer groupId) {
         baseResponse.setData(res);
 
         log.info("end getNodeIdList useTime:{} result:{}",
-                Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(baseResponse));
+                Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(baseResponse));
         return baseResponse;
     }
 
diff --git a/src/main/java/com/webank/webase/node/mgr/node/NodeService.java b/src/main/java/com/webank/webase/node/mgr/node/NodeService.java
index 729edd14d..46781c791 100644
--- a/src/main/java/com/webank/webase/node/mgr/node/NodeService.java
+++ b/src/main/java/com/webank/webase/node/mgr/node/NodeService.java
@@ -13,8 +13,7 @@
  */
 package com.webank.webase.node.mgr.node;
 
-import com.alibaba.fastjson.JSON;
-import com.alibaba.fastjson.JSONArray;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.enums.DataStatus;
 import com.webank.webase.node.mgr.base.exception.NodeMgrException;
@@ -86,11 +85,11 @@ public void addNodeInfo(Integer groupId, PeerInfo peerInfo) throws NodeMgrExcept
      * query count of node.
      */
     public Integer countOfNode(NodeParam queryParam) throws NodeMgrException {
-        log.debug("start countOfNode queryParam:{}", JSON.toJSONString(queryParam));
+        log.debug("start countOfNode queryParam:{}", JsonTools.toJSONString(queryParam));
         try {
             Integer nodeCount = nodeMapper.getCount(queryParam);
             log.debug("end countOfNode nodeCount:{} queryParam:{}", nodeCount,
-                JSON.toJSONString(queryParam));
+                JsonTools.toJSONString(queryParam));
             return nodeCount;
         } catch (RuntimeException ex) {
             log.error("fail countOfNode . queryParam:{}", queryParam, ex);
@@ -103,12 +102,12 @@ public Integer countOfNode(NodeParam queryParam) throws NodeMgrException {
      * query node list by page.
      */
     public List<TbNode> qureyNodeList(NodeParam queryParam) throws NodeMgrException {
-        log.debug("start qureyNodeList queryParam:{}", JSON.toJSONString(queryParam));
+        log.debug("start qureyNodeList queryParam:{}", JsonTools.toJSONString(queryParam));
 
         // query node list
         List<TbNode> listOfNode = nodeMapper.getList(queryParam);
 
-        log.debug("end qureyNodeList listOfNode:{}", JSON.toJSONString(listOfNode));
+        log.debug("end qureyNodeList listOfNode:{}", JsonTools.toJSONString(listOfNode));
         return listOfNode;
     }
 
@@ -135,7 +134,7 @@ public TbNode queryByNodeId(String nodeId) throws NodeMgrException {
         log.debug("start queryNode nodeId:{}", nodeId);
         try {
             TbNode nodeRow = nodeMapper.queryByNodeId(nodeId);
-            log.debug("end queryNode nodeId:{} TbNode:{}", nodeId, JSON.toJSONString(nodeRow));
+            log.debug("end queryNode nodeId:{} TbNode:{}", nodeId, JsonTools.toJSONString(nodeRow));
             return nodeRow;
         } catch (RuntimeException ex) {
             log.error("fail queryNode . nodeId:{}", nodeId, ex);
@@ -148,7 +147,7 @@ public TbNode queryByNodeId(String nodeId) throws NodeMgrException {
      * update node info.
      */
     public void updateNode(TbNode tbNode) throws NodeMgrException {
-        log.debug("start updateNodeInfo  param:{}", JSON.toJSONString(tbNode));
+        log.debug("start updateNodeInfo  param:{}", JsonTools.toJSONString(tbNode));
         Integer affectRow = 0;
         try {
 
@@ -169,7 +168,7 @@ public void updateNode(TbNode tbNode) throws NodeMgrException {
      * query node info.
      */
     public TbNode queryNodeInfo(NodeParam nodeParam) {
-        log.debug("start queryNodeInfo nodeParam:{}", JSON.toJSONString(nodeParam));
+        log.debug("start queryNodeInfo nodeParam:{}", JsonTools.toJSONString(nodeParam));
         TbNode tbNode = nodeMapper.queryNodeInfo(nodeParam);
         log.debug("end queryNodeInfo result:{}", tbNode);
         return tbNode;
@@ -303,19 +302,24 @@ private List<PeerOfConsensusStatus> getPeerOfConsensusStatus(int groupId) {
             log.debug("getPeerOfConsensusStatus is null: {}", consensusStatusJson);
             return null;
         }
-        JSONArray jsonArr = JSONArray.parseArray(consensusStatusJson);
-        List<Object> dataIsList = jsonArr.stream().filter(jsonObj -> jsonObj instanceof List)
-            .map(arr -> {
-                try {
-                    Object obj = JSONArray.parseArray(JSON.toJSONString(arr)).get(0);
-                    NodeMgrTools.object2JavaBean(obj, PeerOfConsensusStatus.class);
-                } catch (Exception e) {
-                    return null;
+        List jsonArr = JsonTools.toJavaObject(consensusStatusJson, List.class);
+        if (jsonArr == null) {
+            log.error("getPeerOfConsensusStatus error");
+            throw new NodeMgrException(ConstantCode.FAIL_PARSE_JSON);
+        }
+        List<PeerOfConsensusStatus> dataIsList = new ArrayList<>();
+        for (int i = 0; i < jsonArr.size(); i++ ) {
+            if (jsonArr.get(i) instanceof List) {
+                List<PeerOfConsensusStatus> tempList = JsonTools.toJavaObjectList(
+                    JsonTools.toJSONString(jsonArr.get(i)), PeerOfConsensusStatus.class);
+                if (tempList != null) {
+                    dataIsList.addAll(tempList);
+                } else {
+                    throw new NodeMgrException(ConstantCode.FAIL_PARSE_JSON);
                 }
-                return arr;
-            }).collect(Collectors.toList());
-        return JSONArray
-            .parseArray(JSON.toJSONString(dataIsList.get(0)), PeerOfConsensusStatus.class);
+            }
+        }
+        return dataIsList;
     }
 
     /**
diff --git a/src/main/java/com/webank/webase/node/mgr/performance/PerformanceController.java b/src/main/java/com/webank/webase/node/mgr/performance/PerformanceController.java
index f00d3fac4..6be5c10af 100644
--- a/src/main/java/com/webank/webase/node/mgr/performance/PerformanceController.java
+++ b/src/main/java/com/webank/webase/node/mgr/performance/PerformanceController.java
@@ -15,7 +15,7 @@
  */
 package com.webank.webase.node.mgr.performance;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.entity.BaseResponse;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.exception.NodeMgrException;
@@ -69,7 +69,7 @@ public BaseResponse getPerformanceRatio(@PathVariable("frontId") Integer frontId
                 gap);
         response.setData(rspObj);
         log.info("end getPerformanceRatio. useTime:{} response:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(response));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(response));
 
         return response;
     }
@@ -87,7 +87,7 @@ public BaseResponse getPerformanceConfig(@PathVariable("frontId") Integer frontI
         Object frontRsp = performanceService.getPerformanceConfig(frontId);
         response.setData(frontRsp);
         log.info("end getPerformanceConfig. useTime:{} response:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(response));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(response));
         return response;
     }
 }
diff --git a/src/main/java/com/webank/webase/node/mgr/performance/PerformanceService.java b/src/main/java/com/webank/webase/node/mgr/performance/PerformanceService.java
index 4bd89786f..0e45a6c3b 100644
--- a/src/main/java/com/webank/webase/node/mgr/performance/PerformanceService.java
+++ b/src/main/java/com/webank/webase/node/mgr/performance/PerformanceService.java
@@ -18,7 +18,7 @@
 import static com.webank.webase.node.mgr.frontinterface.FrontRestTools.FRONT_PERFORMANCE_CONFIG;
 import static com.webank.webase.node.mgr.frontinterface.FrontRestTools.FRONT_PERFORMANCE_RATIO;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.exception.NodeMgrException;
 import com.webank.webase.node.mgr.base.properties.ConstantProperties;
@@ -76,7 +76,7 @@ public Object getPerformanceRatio(Integer frontId, LocalDateTime beginDate,
         log.info("getPerformanceRatio request url:{}", url);
 
         Object rspObj = genericRestTemplate.getForObject(url, Object.class);
-        log.debug("end getPerformanceRatio. rspObj:{}", JSON.toJSONString(rspObj));
+        log.debug("end getPerformanceRatio. rspObj:{}", JsonTools.toJSONString(rspObj));
         return rspObj;
 
     }
@@ -99,7 +99,7 @@ public Object getPerformanceConfig(int frontId) {
         log.info("getPerformanceConfig request url:{}", url);
 
         Object rspObj = genericRestTemplate.getForObject(url, Object.class);
-        log.debug("end getPerformanceConfig. frontRsp:{}", JSON.toJSONString(rspObj));
+        log.debug("end getPerformanceConfig. frontRsp:{}", JsonTools.toJSONString(rspObj));
         return rspObj;
     }
 
diff --git a/src/main/java/com/webank/webase/node/mgr/precompiled/PrecompiledController.java b/src/main/java/com/webank/webase/node/mgr/precompiled/PrecompiledController.java
index c035542ff..7558316f5 100644
--- a/src/main/java/com/webank/webase/node/mgr/precompiled/PrecompiledController.java
+++ b/src/main/java/com/webank/webase/node/mgr/precompiled/PrecompiledController.java
@@ -15,7 +15,7 @@
  */
 package com.webank.webase.node.mgr.precompiled;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.controller.BaseController;
 import com.webank.webase.node.mgr.base.exception.NodeMgrException;
 import com.webank.webase.node.mgr.base.properties.ConstantProperties;
@@ -58,7 +58,7 @@ public Object listCns(
         Object result = precompiledService.listCnsService(groupId, contractNameAndVersion, pageSize, pageNumber);
 
         log.info("end listCns useTime:{} result:{}",
-                Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(result));
+                Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(result));
         return result;
     }
 
@@ -77,7 +77,7 @@ public Object getNodeList(
         Object result = precompiledService.getNodeListService(groupId, pageSize, pageNumber);
 
         log.info("end getNodeList useTime:{} result:{}",
-                Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(result));
+                Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(result));
         return result;
     }
 
@@ -88,12 +88,12 @@ public Object nodeManage(@RequestBody @Valid ConsensusHandle consensusHandle,
         checkBindResult(result);
         Instant startTime = Instant.now();
         log.info("start nodeManage startTime:{} consensusHandle:{}", startTime.toEpochMilli(),
-                JSON.toJSONString(consensusHandle));
+                JsonTools.toJSONString(consensusHandle));
 
         Object res = precompiledService.nodeManageService(consensusHandle);
 
         log.info("end nodeManage useTime:{} result:{}",
-                Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(res));
+                Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(res));
 
         return res;
     }
@@ -108,12 +108,12 @@ public Object crud(@RequestBody @Valid CrudHandle crudHandle,
         checkBindResult(result);
         Instant startTime = Instant.now();
         log.info("start crud startTime:{} crudHandle:{}", startTime.toEpochMilli(),
-                JSON.toJSONString(crudHandle));
+                JsonTools.toJSONString(crudHandle));
 
         Object res = precompiledService.crudService(crudHandle);
 
         log.info("end crud useTime:{} result:{}",
-                Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(res));
+                Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(res));
 
         return res;
     }
diff --git a/src/main/java/com/webank/webase/node/mgr/precompiled/PrecompiledService.java b/src/main/java/com/webank/webase/node/mgr/precompiled/PrecompiledService.java
index 8200a7d17..1307f4fec 100644
--- a/src/main/java/com/webank/webase/node/mgr/precompiled/PrecompiledService.java
+++ b/src/main/java/com/webank/webase/node/mgr/precompiled/PrecompiledService.java
@@ -15,7 +15,7 @@
  */
 package com.webank.webase.node.mgr.precompiled;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.exception.NodeMgrException;
 import com.webank.webase.node.mgr.base.tools.HttpRequestTools;
@@ -63,7 +63,7 @@ public Object listCnsService(int groupId, String contractNameAndVersion, int pag
 
 
         Object frontRsp = frontRestTools.getForEntity(groupId, uri, Object.class);
-        log.debug("end listCnsService. frontRsp:{}", JSON.toJSONString(frontRsp));
+        log.debug("end listCnsService. frontRsp:{}", JsonTools.toJSONString(frontRsp));
         return frontRsp;
     }
 
@@ -80,7 +80,7 @@ public Object getNodeListService(int groupId, int pageSize, int pageNumber) {
         uri = HttpRequestTools.getQueryUri(FrontRestTools.URI_CONSENSUS_LIST, map);
         Object frontRsp = null;
         frontRsp = frontRestTools.getForEntity(groupId, uri, Object.class);
-        log.debug("end getNodeListService. frontRsp:{}", JSON.toJSONString(frontRsp));
+        log.debug("end getNodeListService. frontRsp:{}", JsonTools.toJSONString(frontRsp));
         return frontRsp;
     }
 
@@ -90,7 +90,7 @@ public Object getNodeListService(int groupId, int pageSize, int pageNumber) {
      */
 
     public Object nodeManageService(ConsensusHandle consensusHandle) {
-        log.debug("start nodeManageService. consensusHandle:{}", JSON.toJSONString(consensusHandle));
+        log.debug("start nodeManageService. consensusHandle:{}", JsonTools.toJSONString(consensusHandle));
         if (Objects.isNull(consensusHandle)) {
             log.error("fail nodeManageService. request param is null");
             throw new NodeMgrException(ConstantCode.INVALID_PARAM_INFO);
@@ -101,7 +101,7 @@ public Object nodeManageService(ConsensusHandle consensusHandle) {
         Object frontRsp = frontRestTools.postForEntity(
                 groupId, FrontRestTools.URI_CONSENSUS,
                 consensusHandle, Object.class);
-        log.debug("end nodeManageService. frontRsp:{}", JSON.toJSONString(frontRsp));
+        log.debug("end nodeManageService. frontRsp:{}", JsonTools.toJSONString(frontRsp));
         return frontRsp;
     }
 
@@ -110,7 +110,7 @@ public Object nodeManageService(ConsensusHandle consensusHandle) {
      */
 
     public Object crudService(CrudHandle crudHandle) {
-        log.debug("start crudService. crudHandle:{}", JSON.toJSONString(crudHandle));
+        log.debug("start crudService. crudHandle:{}", JsonTools.toJSONString(crudHandle));
         if (Objects.isNull(crudHandle)) {
             log.error("fail crudService. request param is null");
             throw new NodeMgrException(ConstantCode.INVALID_PARAM_INFO);
@@ -121,7 +121,7 @@ public Object crudService(CrudHandle crudHandle) {
         Object frontRsp = frontRestTools.postForEntity(
                 groupId, FrontRestTools.URI_CRUD,
                 crudHandle, Object.class);
-        log.debug("end crudService. frontRsp:{}", JSON.toJSONString(frontRsp));
+        log.debug("end crudService. frontRsp:{}", JsonTools.toJSONString(frontRsp));
         return frontRsp;
     }
 }
diff --git a/src/main/java/com/webank/webase/node/mgr/precompiled/permission/PermissionManageController.java b/src/main/java/com/webank/webase/node/mgr/precompiled/permission/PermissionManageController.java
index bfbb7b8e1..9f2fc040c 100644
--- a/src/main/java/com/webank/webase/node/mgr/precompiled/permission/PermissionManageController.java
+++ b/src/main/java/com/webank/webase/node/mgr/precompiled/permission/PermissionManageController.java
@@ -15,7 +15,7 @@
  */
 package com.webank.webase.node.mgr.precompiled.permission;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.controller.BaseController;
 import com.webank.webase.node.mgr.base.entity.BasePageResponse;
@@ -69,7 +69,7 @@ public Object listPermissionMgrState(
         List2Page list2Page = new List2Page(resultList, pageSize, pageNumber);
         List<MapHandle> finalList = list2Page.getPagedList();
         log.info("end listPermissionMgrState useTime:{} result:{}",
-                Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(finalList));
+                Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(finalList));
         return new BasePageResponse(ConstantCode.SUCCESS, finalList, totalCount);
     }
 
@@ -91,7 +91,7 @@ public Object listPermissionManager(
         Object result = permissionManageService.listPermissionPaged(groupId, permissionType, tableName, pageSize, pageNumber);
 
         log.info("end listPermissionManager useTime:{} result:{}",
-                Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(result));
+                Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(result));
         return result;
     }
 
@@ -112,7 +112,7 @@ public Object listFullPermissionManager(
         Object result = permissionManageService.listPermissionFull(groupId, permissionType, tableName);
 
         log.info("end listFullPermissionManager useTime:{} result:{}",
-                Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(result));
+                Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(result));
         return result;
     }
 
@@ -127,11 +127,11 @@ public Object updatePermission(@RequestBody @Valid PermissionParam permissionPar
         checkBindResult(result);
         Instant startTime = Instant.now();
         log.info("start updatePermission startTime:{} permissionParam:{}", startTime.toEpochMilli(),
-                JSON.toJSONString(permissionParam));
+                JsonTools.toJSONString(permissionParam));
         Object res = permissionManageService.updatePermissionState(permissionParam);
 
         log.info("end updatePermission useTime:{} result:{}",
-                Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(res));
+                Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(res));
 
         return res;
     }
@@ -143,12 +143,12 @@ public Object grantPermission(@RequestBody @Valid PermissionParam permissionPara
         checkBindResult(result);
         Instant startTime = Instant.now();
         log.info("start grantPermission startTime:{} permissionParam:{}", startTime.toEpochMilli(),
-                JSON.toJSONString(permissionParam));
+                JsonTools.toJSONString(permissionParam));
 
         Object res = permissionManageService.grantPermission(permissionParam);
 
         log.info("end grantPermission useTime:{} result:{}",
-                Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(res));
+                Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(res));
 
         return res;
     }
@@ -163,12 +163,12 @@ public Object revokePermission(@RequestBody @Valid PermissionParam permissionPar
         checkBindResult(result);
         Instant startTime = Instant.now();
         log.info("start revokePermission startTime:{} permissionParam:{}", startTime.toEpochMilli(),
-                JSON.toJSONString(permissionParam));
+                JsonTools.toJSONString(permissionParam));
 
         Object res = permissionManageService.revokePermission(permissionParam);
 
         log.info("end revokePermission useTime:{} result:{}",
-                Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(res));
+                Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(res));
 
         return res;
     }
diff --git a/src/main/java/com/webank/webase/node/mgr/precompiled/permission/PermissionManageService.java b/src/main/java/com/webank/webase/node/mgr/precompiled/permission/PermissionManageService.java
index e85973420..0151a99e2 100644
--- a/src/main/java/com/webank/webase/node/mgr/precompiled/permission/PermissionManageService.java
+++ b/src/main/java/com/webank/webase/node/mgr/precompiled/permission/PermissionManageService.java
@@ -15,7 +15,7 @@
  */
 package com.webank.webase.node.mgr.precompiled.permission;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.entity.BasePageResponse;
 import com.webank.webase.node.mgr.base.exception.NodeMgrException;
@@ -68,7 +68,7 @@ public Map<String, PermissionState> listPermissionState(int groupId) {
                 resultMap.put(address, emptyState);
             }
         }
-        log.debug("end listPermissionState. frontRsp:{}", JSON.toJSONString(resultMap));
+        log.debug("end listPermissionState. frontRsp:{}", JsonTools.toJSONString(resultMap));
         return resultMap;
     }
 
@@ -91,7 +91,7 @@ public Map<String, PermissionState> listPermissionStateFull(int groupId) {
         map.put("groupId", String.valueOf(groupId));
         uri = HttpRequestTools.getQueryUri(FrontRestTools.URI_PERMISSION_SORTED_FULL_LIST, map);
         Map<String, Object> frontRsp = (Map<String, Object>) frontRestTools.getForEntity(groupId, uri, Object.class);
-        log.debug("end listPermissionStateFull. frontRsp:{}", JSON.toJSONString(frontRsp));
+        log.debug("end listPermissionStateFull. frontRsp:{}", JsonTools.toJSONString(frontRsp));
         Map<String, PermissionState> result = (Map<String, PermissionState>) frontRsp.get("data");
         return result;
     }
@@ -115,7 +115,7 @@ public Object listPermissionPaged(int groupId, String permissionType, String tab
         }
 
         Object frontRsp = frontRestTools.getForEntity(groupId, uri, Object.class);
-        log.debug("end listPermissionPaged. frontRsp:{}", JSON.toJSONString(frontRsp));
+        log.debug("end listPermissionPaged. frontRsp:{}", JsonTools.toJSONString(frontRsp));
         return frontRsp;
     }
 
@@ -135,7 +135,7 @@ public BasePageResponse listPermissionFull(int groupId, String permissionType, S
             uri = HttpRequestTools.getQueryUri(FrontRestTools.URI_PERMISSION_FULL_LIST, map);
         }
         BasePageResponse frontRsp = frontRestTools.getForEntity(groupId, uri, BasePageResponse.class);
-        log.debug("end listPermissionFull. frontRsp:{}", JSON.toJSONString(frontRsp));
+        log.debug("end listPermissionFull. frontRsp:{}", JsonTools.toJSONString(frontRsp));
         return frontRsp;
     }
 
@@ -143,7 +143,7 @@ public BasePageResponse listPermissionFull(int groupId, String permissionType, S
      * repost permission grant
      */
     public Object updatePermissionState(PermissionParam permissionParam) {
-        log.debug("start updatePermissionState. permissionParam:{}", JSON.toJSONString(permissionParam));
+        log.debug("start updatePermissionState. permissionParam:{}", JsonTools.toJSONString(permissionParam));
         if (Objects.isNull(permissionParam)) {
             log.error("fail updatePermissionState. request param is null");
             throw new NodeMgrException(ConstantCode.INVALID_PARAM_INFO);
@@ -154,12 +154,12 @@ public Object updatePermissionState(PermissionParam permissionParam) {
         Object frontRsp = frontRestTools.postForEntity(
                 groupId, FrontRestTools.URI_PERMISSION_SORTED_LIST,
                 permissionParam, Object.class);
-        log.debug("end updatePermissionState. frontRsp:{}", JSON.toJSONString(frontRsp));
+        log.debug("end updatePermissionState. frontRsp:{}", JsonTools.toJSONString(frontRsp));
         return frontRsp;
     }
 
     public Object grantPermission(PermissionParam permissionParam) {
-        log.debug("start grantPermission. permissionParam:{}", JSON.toJSONString(permissionParam));
+        log.debug("start grantPermission. permissionParam:{}", JsonTools.toJSONString(permissionParam));
         if (Objects.isNull(permissionParam)) {
             log.error("fail grantPermission. request param is null");
             throw new NodeMgrException(ConstantCode.INVALID_PARAM_INFO);
@@ -170,12 +170,12 @@ public Object grantPermission(PermissionParam permissionParam) {
         Object frontRsp = frontRestTools.postForEntity(
                 groupId, FrontRestTools.URI_PERMISSION,
                 permissionParam, Object.class);
-        log.debug("end grantPermission. frontRsp:{}", JSON.toJSONString(frontRsp));
+        log.debug("end grantPermission. frontRsp:{}", JsonTools.toJSONString(frontRsp));
         return frontRsp;
     }
 
     public Object revokePermission(PermissionParam permissionParam) {
-        log.debug("start revokePermission. permissionParam:{}", JSON.toJSONString(permissionParam));
+        log.debug("start revokePermission. permissionParam:{}", JsonTools.toJSONString(permissionParam));
         if (Objects.isNull(permissionParam)) {
             log.error("fail revokePermission. request param is null");
             throw new NodeMgrException(ConstantCode.INVALID_PARAM_INFO);
@@ -186,7 +186,7 @@ public Object revokePermission(PermissionParam permissionParam) {
         Object frontRsp = frontRestTools.deleteForEntity(
                 groupId, FrontRestTools.URI_PERMISSION,
                 permissionParam, Object.class);
-        log.debug("end revokePermission. frontRsp:{}", JSON.toJSONString(frontRsp));
+        log.debug("end revokePermission. frontRsp:{}", JsonTools.toJSONString(frontRsp));
         return frontRsp;
     }
 }
diff --git a/src/main/java/com/webank/webase/node/mgr/precompiled/sysconf/PrecompiledSysConfigController.java b/src/main/java/com/webank/webase/node/mgr/precompiled/sysconf/PrecompiledSysConfigController.java
index 6ef90e858..a4ffb6646 100644
--- a/src/main/java/com/webank/webase/node/mgr/precompiled/sysconf/PrecompiledSysConfigController.java
+++ b/src/main/java/com/webank/webase/node/mgr/precompiled/sysconf/PrecompiledSysConfigController.java
@@ -15,7 +15,7 @@
  */
 package com.webank.webase.node.mgr.precompiled.sysconf;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.controller.BaseController;
 import com.webank.webase.node.mgr.base.exception.NodeMgrException;
 import com.webank.webase.node.mgr.base.properties.ConstantProperties;
@@ -57,7 +57,7 @@ public Object getSysConfigList(
         Object result = precompiledSysConfigService.getSysConfigListService(groupId, pageSize, pageNumber);
 
         log.info("end getSysConfigList useTime:{} result:{}",
-                Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(result));
+                Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(result));
         return result;
     }
 
@@ -71,12 +71,12 @@ public Object setSysConfigByKeyService(@RequestBody @Valid SysConfigParam sysCon
         checkBindResult(result);
         Instant startTime = Instant.now();
         log.info("start setSysConfigByKeyService startTime:{} sysConfigParam:{}", startTime.toEpochMilli(),
-                JSON.toJSONString(sysConfigParam));
+                JsonTools.toJSONString(sysConfigParam));
 
         Object res = precompiledSysConfigService.setSysConfigByKeyService(sysConfigParam);
 
         log.info("end setSysConfigByKeyService useTime:{} result:{}",
-                Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(res));
+                Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(res));
 
         return res;
     }
diff --git a/src/main/java/com/webank/webase/node/mgr/precompiled/sysconf/PrecompiledSysConfigService.java b/src/main/java/com/webank/webase/node/mgr/precompiled/sysconf/PrecompiledSysConfigService.java
index db3bdd911..7783f9e9f 100644
--- a/src/main/java/com/webank/webase/node/mgr/precompiled/sysconf/PrecompiledSysConfigService.java
+++ b/src/main/java/com/webank/webase/node/mgr/precompiled/sysconf/PrecompiledSysConfigService.java
@@ -15,7 +15,7 @@
  */
 package com.webank.webase.node.mgr.precompiled.sysconf;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.exception.NodeMgrException;
 import com.webank.webase.node.mgr.base.tools.HttpRequestTools;
@@ -56,7 +56,7 @@ public Object getSysConfigListService(int groupId, int pageSize, int pageNumber)
         String uri = HttpRequestTools.getQueryUri(FrontRestTools.URI_SYS_CONFIG_LIST, map);
 
         Object frontRsp = frontRestTools.getForEntity(groupId, uri, Object.class);
-        log.debug("end getSysConfigListService. frontRsp:{}", JSON.toJSONString(frontRsp));
+        log.debug("end getSysConfigListService. frontRsp:{}", JsonTools.toJSONString(frontRsp));
         return frontRsp;
     }
 
@@ -66,7 +66,7 @@ public Object getSysConfigListService(int groupId, int pageSize, int pageNumber)
      */
 
     public Object setSysConfigByKeyService(SysConfigParam sysConfigParam) {
-        log.debug("start setSysConfigByKeyService. sysConfigParam:{}", JSON.toJSONString(sysConfigParam));
+        log.debug("start setSysConfigByKeyService. sysConfigParam:{}", JsonTools.toJSONString(sysConfigParam));
         if (Objects.isNull(sysConfigParam)) {
             log.error("fail setSysConfigByKeyService. request param is null");
             throw new NodeMgrException(ConstantCode.INVALID_PARAM_INFO);
@@ -77,7 +77,7 @@ public Object setSysConfigByKeyService(SysConfigParam sysConfigParam) {
         Object frontRsp = frontRestTools.postForEntity(
                 groupId, FrontRestTools.URI_SYS_CONFIG,
                 sysConfigParam, Object.class);
-        log.debug("end setSysConfigByKeyService. frontRsp:{}", JSON.toJSONString(frontRsp));
+        log.debug("end setSysConfigByKeyService. frontRsp:{}", JsonTools.toJSONString(frontRsp));
         return frontRsp;
     }
 
diff --git a/src/main/java/com/webank/webase/node/mgr/precompiled/sysconf/SysConfigParam.java b/src/main/java/com/webank/webase/node/mgr/precompiled/sysconf/SysConfigParam.java
index badf7da97..c0f7e0aed 100644
--- a/src/main/java/com/webank/webase/node/mgr/precompiled/sysconf/SysConfigParam.java
+++ b/src/main/java/com/webank/webase/node/mgr/precompiled/sysconf/SysConfigParam.java
@@ -20,7 +20,7 @@
 @Data
 public class SysConfigParam {
 
-    private Long id;
+//    private Long id;
     private int groupId;
     private String fromAddress;
     private String signUserId;
diff --git a/src/main/java/com/webank/webase/node/mgr/role/RoleController.java b/src/main/java/com/webank/webase/node/mgr/role/RoleController.java
index 16aec6c55..f733e4ebb 100644
--- a/src/main/java/com/webank/webase/node/mgr/role/RoleController.java
+++ b/src/main/java/com/webank/webase/node/mgr/role/RoleController.java
@@ -15,7 +15,7 @@
  */
 package com.webank.webase.node.mgr.role;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.entity.BasePageResponse;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.exception.NodeMgrException;
@@ -75,7 +75,7 @@ public BasePageResponse queryRoleList(
 
         log.info("end queryRoleList useTime:{} result:{}",
             Duration.between(startTime, Instant.now()).toMillis(),
-            JSON.toJSONString(pagesponse));
+            JsonTools.toJSONString(pagesponse));
         return pagesponse;
     }
 }
diff --git a/src/main/java/com/webank/webase/node/mgr/role/RoleService.java b/src/main/java/com/webank/webase/node/mgr/role/RoleService.java
index f703ecb2a..0a0759d0f 100644
--- a/src/main/java/com/webank/webase/node/mgr/role/RoleService.java
+++ b/src/main/java/com/webank/webase/node/mgr/role/RoleService.java
@@ -15,7 +15,7 @@
  */
 package com.webank.webase.node.mgr.role;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.exception.NodeMgrException;
 import java.util.List;
@@ -37,7 +37,7 @@ public class RoleService {
      * query role count.
      */
     public int countOfRole(RoleListParam param) {
-        log.debug("start countOfRole. param:{} ", JSON.toJSONString(param));
+        log.debug("start countOfRole. param:{} ", JsonTools.toJSONString(param));
         Integer roleCount = roleMapper.countOfRole(param);
         int count = roleCount == null ? 0 : roleCount.intValue();
         log.debug("end countOfRole. count:{} ", count);
@@ -48,9 +48,9 @@ public int countOfRole(RoleListParam param) {
      * query role .
      */
     public List<TbRole> listOfRole(RoleListParam param) {
-        log.debug("start listOfRole. param:{} ", JSON.toJSONString(param));
+        log.debug("start listOfRole. param:{} ", JsonTools.toJSONString(param));
         List<TbRole> list = roleMapper.listOfRole(param);
-        log.debug("end listOfRole. list:{} ", JSON.toJSONString(list));
+        log.debug("end listOfRole. list:{} ", JsonTools.toJSONString(list));
         return list;
     }
 
@@ -60,7 +60,7 @@ public List<TbRole> listOfRole(RoleListParam param) {
     public TbRole queryRoleById(Integer roleId) {
         log.debug("start queryRoleById. roleId:{} ", roleId);
         TbRole roleInfo = roleMapper.queryRoleById(roleId);
-        log.debug("end queryRoleById. roleInfo:{} ", JSON.toJSONString(roleInfo));
+        log.debug("end queryRoleById. roleInfo:{} ", JsonTools.toJSONString(roleInfo));
         return roleInfo;
     }
 
diff --git a/src/main/java/com/webank/webase/node/mgr/security/AccountDetailsService.java b/src/main/java/com/webank/webase/node/mgr/security/AccountDetailsService.java
index 58ec69400..70c91a59d 100644
--- a/src/main/java/com/webank/webase/node/mgr/security/AccountDetailsService.java
+++ b/src/main/java/com/webank/webase/node/mgr/security/AccountDetailsService.java
@@ -15,7 +15,7 @@
  */
 package com.webank.webase.node.mgr.security;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.account.AccountService;
 import com.webank.webase.node.mgr.account.entity.TbAccountInfo;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
@@ -46,10 +46,10 @@ public UserDetails loadUserByUsername(String account) throws UsernameNotFoundExc
         try {
             accountRow = accountService.queryByAccount(account);
         } catch (Exception e) {
-            throw new UsernameNotFoundException(JSON.toJSONString(ConstantCode.DB_EXCEPTION));
+            throw new UsernameNotFoundException(JsonTools.toJSONString(ConstantCode.DB_EXCEPTION));
         }
         if (null == accountRow) {
-            throw new UsernameNotFoundException(JSON.toJSONString(ConstantCode.INVALID_ACCOUNT_NAME));
+            throw new UsernameNotFoundException(JsonTools.toJSONString(ConstantCode.INVALID_ACCOUNT_NAME));
         }
 
         // add role
diff --git a/src/main/java/com/webank/webase/node/mgr/security/JsonAccessDeniedHandler.java b/src/main/java/com/webank/webase/node/mgr/security/JsonAccessDeniedHandler.java
index 4fb05f4f8..2880f142b 100644
--- a/src/main/java/com/webank/webase/node/mgr/security/JsonAccessDeniedHandler.java
+++ b/src/main/java/com/webank/webase/node/mgr/security/JsonAccessDeniedHandler.java
@@ -15,7 +15,7 @@
  */
 package com.webank.webase.node.mgr.security;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.entity.BaseResponse;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import java.io.IOException;
@@ -39,7 +39,7 @@ public void handle(HttpServletRequest request, HttpServletResponse response,
         BaseResponse baseResponse = new BaseResponse(ConstantCode.ACCESS_DENIED);
 
         response.setContentType("application/json;charset=UTF-8");
-        response.getWriter().write(JSON.toJSONString(baseResponse));
+        response.getWriter().write(JsonTools.toJSONString(baseResponse));
     }
 
 }
diff --git a/src/main/java/com/webank/webase/node/mgr/security/JsonAuthenticationEntryPoint.java b/src/main/java/com/webank/webase/node/mgr/security/JsonAuthenticationEntryPoint.java
index 4d6f1cd27..f68546db6 100644
--- a/src/main/java/com/webank/webase/node/mgr/security/JsonAuthenticationEntryPoint.java
+++ b/src/main/java/com/webank/webase/node/mgr/security/JsonAuthenticationEntryPoint.java
@@ -15,7 +15,7 @@
  */
 package com.webank.webase.node.mgr.security;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.entity.BaseResponse;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import java.io.IOException;
@@ -38,7 +38,7 @@ public void commence(HttpServletRequest request, HttpServletResponse response,
         log.debug("user not logged in");
         BaseResponse baseResponse = new BaseResponse(ConstantCode.USER_NOT_LOGGED_IN);
         response.setContentType("application/json;charset=UTF-8");
-        response.getWriter().write(JSON.toJSONString(baseResponse));
+        response.getWriter().write(JsonTools.toJSONString(baseResponse));
     }
 
 }
diff --git a/src/main/java/com/webank/webase/node/mgr/security/JsonLogoutSuccessHandler.java b/src/main/java/com/webank/webase/node/mgr/security/JsonLogoutSuccessHandler.java
index b07167b63..30914a45d 100644
--- a/src/main/java/com/webank/webase/node/mgr/security/JsonLogoutSuccessHandler.java
+++ b/src/main/java/com/webank/webase/node/mgr/security/JsonLogoutSuccessHandler.java
@@ -21,7 +21,7 @@
 import org.springframework.security.core.Authentication;
 import org.springframework.security.web.authentication.logout.LogoutSuccessHandler;
 import org.springframework.stereotype.Component;
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.exception.NodeMgrException;
 import com.webank.webase.node.mgr.base.tools.NodeMgrTools;
@@ -42,13 +42,13 @@ public void onLogoutSuccess(HttpServletRequest request, HttpServletResponse resp
         try {
             token = NodeMgrTools.getToken(request);
         } catch (NodeMgrException ex) {
-            NodeMgrTools.responseString(response, JSON.toJSONString(ex.getRetCode()));
+            NodeMgrTools.responseString(response, JsonTools.toJSONString(ex.getRetCode()));
             return;
         }
         //remove token
         tokenService.deleteToken(token, null);
 
         log.debug("logout success");
-        NodeMgrTools.responseString(response, JSON.toJSONString(ConstantCode.SUCCESS));
+        NodeMgrTools.responseString(response, JsonTools.toJSONString(ConstantCode.SUCCESS));
     }
 }
diff --git a/src/main/java/com/webank/webase/node/mgr/security/LoginFailHandler.java b/src/main/java/com/webank/webase/node/mgr/security/LoginFailHandler.java
index 8c9dd4054..992bab413 100644
--- a/src/main/java/com/webank/webase/node/mgr/security/LoginFailHandler.java
+++ b/src/main/java/com/webank/webase/node/mgr/security/LoginFailHandler.java
@@ -13,8 +13,7 @@
  */
 package com.webank.webase.node.mgr.security;
 
-import com.alibaba.fastjson.JSON;
-import com.alibaba.fastjson.JSONObject;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.code.RetCode;
 import com.webank.webase.node.mgr.base.entity.BaseResponse;
@@ -37,11 +36,11 @@ public void onAuthenticationFailure(HttpServletRequest request, HttpServletRespo
         String errorMsg = ex.getMessage();
         RetCode retCode = ConstantCode.PASSWORD_ERROR; // default password fail
         if (errorMsg.contains("code")) {
-            retCode = JSONObject.parseObject(errorMsg, RetCode.class);
+            retCode = JsonTools.toJavaObject(errorMsg, RetCode.class);
         }
 
         BaseResponse baseResponse = new BaseResponse(retCode);
         response.setContentType("application/json;charset=UTF-8");
-        response.getWriter().write(JSON.toJSONString(baseResponse));
+        response.getWriter().write(JsonTools.toJSONString(baseResponse));
     }
 }
diff --git a/src/main/java/com/webank/webase/node/mgr/security/LoginSuccessHandler.java b/src/main/java/com/webank/webase/node/mgr/security/LoginSuccessHandler.java
index c53c3391b..990c9a974 100644
--- a/src/main/java/com/webank/webase/node/mgr/security/LoginSuccessHandler.java
+++ b/src/main/java/com/webank/webase/node/mgr/security/LoginSuccessHandler.java
@@ -25,7 +25,7 @@
 import org.springframework.security.core.Authentication;
 import org.springframework.security.web.authentication.AuthenticationSuccessHandler;
 import org.springframework.stereotype.Component;
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.account.AccountService;
 import com.webank.webase.node.mgr.account.entity.TbAccountInfo;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
@@ -64,7 +64,7 @@ public void onAuthenticationSuccess(HttpServletRequest request, HttpServletRespo
         BaseResponse baseResponse = new BaseResponse(ConstantCode.SUCCESS);
         baseResponse.setData(rsp);
 
-        String backStr = JSON.toJSONString(baseResponse);
+        String backStr = JsonTools.toJSONString(baseResponse);
         log.debug("login backInfo:{}", backStr);
 
         response.setContentType("application/json;charset=UTF-8");
diff --git a/src/main/java/com/webank/webase/node/mgr/transaction/TransHashController.java b/src/main/java/com/webank/webase/node/mgr/transaction/TransHashController.java
index 438bf2e18..c13083354 100644
--- a/src/main/java/com/webank/webase/node/mgr/transaction/TransHashController.java
+++ b/src/main/java/com/webank/webase/node/mgr/transaction/TransHashController.java
@@ -15,7 +15,7 @@
  */
 package com.webank.webase.node.mgr.transaction;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.entity.BasePageResponse;
 import com.webank.webase.node.mgr.base.entity.BaseResponse;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
@@ -24,7 +24,7 @@
 import com.webank.webase.node.mgr.group.GroupService;
 import com.webank.webase.node.mgr.transaction.entity.TbTransHash;
 import com.webank.webase.node.mgr.transaction.entity.TransListParam;
-import com.webank.webase.node.mgr.transaction.entity.TransReceipt;
+import org.fisco.bcos.web3j.protocol.core.methods.response.TransactionReceipt;
 import com.webank.webase.node.mgr.transaction.entity.TransactionInfo;
 import java.math.BigInteger;
 import java.time.Duration;
@@ -73,7 +73,7 @@ public BasePageResponse queryTransList(@PathVariable("groupId") Integer groupId,
         if(StringUtils.isEmpty(transHash) && blockNumber == null) {
             count = transHashService.queryCountOfTranByMinus(groupId);
         } else {
-            // TODO select count(1) in InnoDb is slow when data gets large
+            // select count(1) in InnoDb is slow when data gets large, instead use tx_id to record count
             count = transHashService.queryCountOfTran(groupId, queryParam);
         }
         if (count != null && count > 0) {
@@ -97,7 +97,7 @@ public BasePageResponse queryTransList(@PathVariable("groupId") Integer groupId,
         }
 
         log.info("end queryBlockList useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(pageResponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(pageResponse));
         return pageResponse;
     }
 
@@ -112,10 +112,10 @@ public BaseResponse getTransReceipt(@PathVariable("groupId") Integer groupId,
         log.info("start getTransReceipt startTime:{} groupId:{} transaction:{}",
             startTime.toEpochMilli(), groupId, transHash);
         BaseResponse baseResponse = new BaseResponse(ConstantCode.SUCCESS);
-        TransReceipt transReceipt = transHashService.getTransReceipt(groupId, transHash);
+        TransactionReceipt transReceipt = transHashService.getTransReceipt(groupId, transHash);
         baseResponse.setData(transReceipt);
         log.info("end getTransReceipt useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(baseResponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(baseResponse));
         return baseResponse;
     }
 
@@ -133,7 +133,7 @@ public BaseResponse getTransaction(@PathVariable("groupId") Integer groupId,
         TransactionInfo transInfo = transHashService.getTransaction(groupId, transHash);
         baseResponse.setData(transInfo);
         log.info("end getTransaction useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(baseResponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(baseResponse));
         return baseResponse;
     }
 }
diff --git a/src/main/java/com/webank/webase/node/mgr/transaction/TransHashService.java b/src/main/java/com/webank/webase/node/mgr/transaction/TransHashService.java
index 51d525ab5..fe3b077cf 100644
--- a/src/main/java/com/webank/webase/node/mgr/transaction/TransHashService.java
+++ b/src/main/java/com/webank/webase/node/mgr/transaction/TransHashService.java
@@ -13,7 +13,7 @@
  */
 package com.webank.webase.node.mgr.transaction;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.enums.TableName;
 import com.webank.webase.node.mgr.base.exception.NodeMgrException;
@@ -21,7 +21,7 @@
 import com.webank.webase.node.mgr.frontinterface.FrontInterfaceService;
 import com.webank.webase.node.mgr.transaction.entity.TbTransHash;
 import com.webank.webase.node.mgr.transaction.entity.TransListParam;
-import com.webank.webase.node.mgr.transaction.entity.TransReceipt;
+import org.fisco.bcos.web3j.protocol.core.methods.response.TransactionReceipt;
 import com.webank.webase.node.mgr.transaction.entity.TransactionInfo;
 
 import java.math.BigInteger;
@@ -51,7 +51,7 @@ public class TransHashService {
      */
     public void addTransInfo(int groupId, TbTransHash tbTransHash) throws NodeMgrException {
         log.debug("start addTransInfo groupId:{} tbTransHash:{}", groupId,
-                JSON.toJSONString(tbTransHash));
+                JsonTools.toJSONString(tbTransHash));
         String tableName = TableName.TRANS.getTableName(groupId);
         transHashMapper.add(tableName, tbTransHash);
         log.debug("end addTransInfo");
@@ -62,17 +62,17 @@ public void addTransInfo(int groupId, TbTransHash tbTransHash) throws NodeMgrExc
      */
     public List<TbTransHash> queryTransList(int groupId, TransListParam param)
             throws NodeMgrException {
-        log.debug("start queryTransList. TransListParam:{}", JSON.toJSONString(param));
+        log.debug("start queryTransList. TransListParam:{}", JsonTools.toJSONString(param));
         String tableName = TableName.TRANS.getTableName(groupId);
         List<TbTransHash> listOfTran = null;
         try {
             listOfTran = transHashMapper.getList(tableName, param);
         } catch (RuntimeException ex) {
-            log.error("fail queryBlockList. TransListParam:{} ", JSON.toJSONString(param), ex);
+            log.error("fail queryBlockList. TransListParam:{} ", JsonTools.toJSONString(param), ex);
             throw new NodeMgrException(ConstantCode.DB_EXCEPTION);
         }
 
-        log.debug("end queryBlockList. listOfTran:{}", JSON.toJSONString(listOfTran));
+        log.debug("end queryBlockList. listOfTran:{}", JsonTools.toJSONString(listOfTran));
         return listOfTran;
     }
 
@@ -81,15 +81,15 @@ public List<TbTransHash> queryTransList(int groupId, TransListParam param)
      */
     public Integer queryCountOfTran(int groupId, TransListParam queryParam)
             throws NodeMgrException {
-        log.debug("start queryCountOfTran. queryParam:{}", JSON.toJSONString(queryParam));
+        log.debug("start queryCountOfTran. queryParam:{}", JsonTools.toJSONString(queryParam));
         String tableName = TableName.TRANS.getTableName(groupId);
         try {
             Integer count = transHashMapper.getCount(tableName, queryParam);
-            log.info("end queryCountOfTran. queryParam:{} count:{}", JSON.toJSONString(queryParam),
+            log.info("end queryCountOfTran. queryParam:{} count:{}", JsonTools.toJSONString(queryParam),
                     count);
             return count;
         } catch (RuntimeException ex) {
-            log.error("fail queryCountOfTran. queryParam:{}", JSON.toJSONString(queryParam), ex);
+            log.error("fail queryCountOfTran. queryParam:{}", JsonTools.toJSONString(queryParam), ex);
             throw new NodeMgrException(ConstantCode.DB_EXCEPTION);
         }
     }
@@ -109,7 +109,7 @@ public Integer queryCountOfTranByMinus(int groupId)
             }
             return count;
         } catch (BadSqlGrammarException ex) {
-            // TODO v1.2.2+: if trans_number not exists, use queryCountOfTran() instead
+            // v1.2.2+: if trans_number not exists, use queryCountOfTran() instead
             log.error("fail queryCountOfTranByMinus. ", ex);
             log.info("restart from queryCountOfTranByMinus to queryCountOfTran: []", ex.getCause());
             TransListParam queryParam = new TransListParam(null, null);
@@ -246,14 +246,14 @@ public TbTransHash getTbTransFromFrontByHash(Integer groupId, String transHash)
             tbTransHash = new TbTransHash(transHash, trans.getFrom(), trans.getTo(),
                     trans.getBlockNumber(), null);
         }
-        log.info("end getTransFromFrontByHash. tbTransHash:{}", JSON.toJSONString(tbTransHash));
+        log.info("end getTransFromFrontByHash. tbTransHash:{}", JsonTools.toJSONString(tbTransHash));
         return tbTransHash;
     }
 
     /**
      * get transaction receipt
      */
-    public TransReceipt getTransReceipt(int groupId, String transHash) {
+    public TransactionReceipt getTransReceipt(int groupId, String transHash) {
         return frontInterface.getTransReceipt(groupId, transHash);
     }
 
diff --git a/src/main/java/com/webank/webase/node/mgr/transaction/entity/TransReceipt.java b/src/main/java/com/webank/webase/node/mgr/transaction/entity/TransReceipt.java
deleted file mode 100644
index b0f02cbd0..000000000
--- a/src/main/java/com/webank/webase/node/mgr/transaction/entity/TransReceipt.java
+++ /dev/null
@@ -1,55 +0,0 @@
-/**
- * Copyright 2014-2020  the original author or authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.webank.webase.node.mgr.transaction.entity;
-
-
-import java.math.BigInteger;
-import java.util.List;
-import lombok.Data;
-
-/**
- * transaction receipt entity
- */
-@Data
-public class TransReceipt {
-
-    private String transactionHash;
-    private int transactionIndex;
-    private String blockHash;
-    private BigInteger blockNumber;
-    private int cumulativeGasUsed;
-    private int gasUsed;
-    private String contractAddress;
-    private String status;
-    private String from;
-    private String to;
-    private String output;
-    private List<Object> logs;
-    private String logsBloom;
-    private String blockNumberRaw;
-    private String transactionIndexRaw;
-    private boolean statusOK;
-    private String gasUsedRaw;
-
-    private String root;
-    private String message;
-    private String input;
-    /**
-     * list of MerkleProofUnit
-     */
-    private List<Object> txProof;
-    private List<Object> receiptProof;
-}
diff --git a/src/main/java/com/webank/webase/node/mgr/transdaily/TransDailyService.java b/src/main/java/com/webank/webase/node/mgr/transdaily/TransDailyService.java
index f0b9caa5d..a5debb368 100644
--- a/src/main/java/com/webank/webase/node/mgr/transdaily/TransDailyService.java
+++ b/src/main/java/com/webank/webase/node/mgr/transdaily/TransDailyService.java
@@ -13,7 +13,7 @@
  */
 package com.webank.webase.node.mgr.transdaily;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.exception.NodeMgrException;
@@ -46,7 +46,7 @@ public List<SeventDaysTrans> listSeventDayOfTrans(Integer groupId) throws NodeMg
             // qurey
             List<SeventDaysTrans> transList = tbTransDailyMapper
                 .listSeventDayOfTransDaily(groupId);
-            log.debug("end listSeventDayOfTrans transList:{}", JSON.toJSONString(transList));
+            log.debug("end listSeventDayOfTrans transList:{}", JsonTools.toJSONString(transList));
             return transList;
         } catch (RuntimeException ex) {
             log.debug("fail listSeventDayOfTrans groupId:{}", groupId, ex);
@@ -62,7 +62,7 @@ public void updateTransDaily(Integer groupId, LocalDate transDay, BigInteger old
         throws NodeMgrException {
         log.debug(
             "start updateTransDaily groupId:{} transDay:{} oldBlockNumber:{} "
-                + "latestBlockNumber:{} transCount:{}", groupId, JSON.toJSONString(transDay),
+                + "latestBlockNumber:{} transCount:{}", groupId, JsonTools.toJSONString(transDay),
             oldBlockNumber, latestBlockNumber, transCount);
         Map<String, Object> paramMap = new HashMap<>();
         paramMap.put("groupId", groupId);
@@ -90,7 +90,7 @@ public void updateTransDaily(Integer groupId, LocalDate transDay, BigInteger old
     public void addTbTransDailyInfo(Integer groupId, LocalDate transDay, Integer transCount,
         BigInteger blockNumber) throws NodeMgrException {
         log.debug("start addTbTransDailyInfo groupId:{} transDay:{} transCount:{} blockNumber:{}",
-            groupId, JSON.toJSONString(transDay),
+            groupId, JsonTools.toJSONString(transDay),
             transCount, blockNumber);
 
         // check group id
@@ -103,7 +103,7 @@ public void addTbTransDailyInfo(Integer groupId, LocalDate transDay, Integer tra
         } catch (RuntimeException ex) {
             log.error(
                 "start addTbTransDailyInfo groupId:{} transDay:{} transCount:{} blockNumber:{}",
-                groupId, JSON.toJSONString(transDay),
+                groupId, JsonTools.toJSONString(transDay),
                 transCount, blockNumber, ex);
             throw new NodeMgrException(ConstantCode.DB_EXCEPTION);
         }
diff --git a/src/main/java/com/webank/webase/node/mgr/user/UserController.java b/src/main/java/com/webank/webase/node/mgr/user/UserController.java
index 86f0c908c..9fdbae39a 100644
--- a/src/main/java/com/webank/webase/node/mgr/user/UserController.java
+++ b/src/main/java/com/webank/webase/node/mgr/user/UserController.java
@@ -13,7 +13,7 @@
  */
 package com.webank.webase.node.mgr.user;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.controller.BaseController;
 import com.webank.webase.node.mgr.base.entity.BasePageResponse;
 import com.webank.webase.node.mgr.base.entity.BaseResponse;
@@ -74,7 +74,7 @@ public BaseResponse addUserInfo(@RequestBody @Valid NewUserInputParam user,
         baseResponse.setData(userRow);
 
         log.info("end addUserInfo useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(baseResponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(baseResponse));
         return baseResponse;
     }
 
@@ -97,7 +97,7 @@ public BaseResponse bindUserInfo(@RequestBody @Valid BindUserInputParam user,
         baseResponse.setData(userRow);
 
         log.info("end bindUserInfo useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(baseResponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(baseResponse));
         return baseResponse;
     }
 
@@ -112,7 +112,7 @@ public BaseResponse updateUserInfo(@RequestBody @Valid UpdateUserInputParam user
         BaseResponse baseResponse = new BaseResponse(ConstantCode.SUCCESS);
         Instant startTime = Instant.now();
         log.info("start updateUserInfo startTime:{} User:{}", startTime.toEpochMilli(),
-            JSON.toJSONString(user));
+            JsonTools.toJSONString(user));
 
         // update user row
         userService.updateUser(user);
@@ -121,7 +121,7 @@ public BaseResponse updateUserInfo(@RequestBody @Valid UpdateUserInputParam user
         baseResponse.setData(userRow);
 
         log.info("end updateUserInfo useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(baseResponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(baseResponse));
         return baseResponse;
     }
 
@@ -158,7 +158,7 @@ public BasePageResponse userList(@PathVariable("groupId") Integer groupId,
         }
 
         log.info("end userList useTime:{} result:{}",
-            Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(pagesponse));
+            Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(pagesponse));
         return pagesponse;
     }
 
@@ -180,7 +180,7 @@ public BaseResponse importPrivateKey(@Valid @RequestBody ReqImportPrivateKey req
         baseResponse.setData(userRow);
 
         log.info("end importPrivateKey useTime:{} result:{}",
-                Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(baseResponse));
+                Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(baseResponse));
         return baseResponse;
     }
 
@@ -202,7 +202,7 @@ public BaseResponse importPemPrivateKey(@Valid @RequestBody ReqImportPem reqImpo
         baseResponse.setData(userRow);
 
         log.info("end importPemPrivateKey useTime:{} result:{}",
-                Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(baseResponse));
+                Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(baseResponse));
         return baseResponse;
     }
 
@@ -228,7 +228,7 @@ public BaseResponse importP12PrivateKey(@RequestParam MultipartFile p12File,
         baseResponse.setData(userRow);
 
         log.info("end importPemPrivateKey useTime:{} result:{}",
-                Duration.between(startTime, Instant.now()).toMillis(), JSON.toJSONString(baseResponse));
+                Duration.between(startTime, Instant.now()).toMillis(), JsonTools.toJSONString(baseResponse));
         return new BaseResponse(ConstantCode.SUCCESS);
     }
 
diff --git a/src/main/java/com/webank/webase/node/mgr/user/UserService.java b/src/main/java/com/webank/webase/node/mgr/user/UserService.java
index 996ebe927..1cfd098c4 100644
--- a/src/main/java/com/webank/webase/node/mgr/user/UserService.java
+++ b/src/main/java/com/webank/webase/node/mgr/user/UserService.java
@@ -13,7 +13,7 @@
  */
 package com.webank.webase.node.mgr.user;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.code.ConstantCode;
 import com.webank.webase.node.mgr.base.enums.HasPk;
 import com.webank.webase.node.mgr.base.enums.UserType;
@@ -128,7 +128,7 @@ public Integer addUserInfo(Integer groupId, String userName, String description,
      */
     @Transactional
     public Integer bindUserInfo(BindUserInputParam user) throws NodeMgrException {
-        log.debug("start bindUserInfo User:{}", JSON.toJSONString(user));
+        log.debug("start bindUserInfo User:{}", JsonTools.toJSONString(user));
 
         String publicKey = user.getPublicKey();
         if (StringUtils.isBlank(publicKey)) {
@@ -185,14 +185,14 @@ public Integer bindUserInfo(BindUserInputParam user) throws NodeMgrException {
      * query count of user.
      */
     public Integer countOfUser(UserParam userParam) throws NodeMgrException {
-        log.debug("start countOfUser. userParam:{}", JSON.toJSONString(userParam));
+        log.debug("start countOfUser. userParam:{}", JsonTools.toJSONString(userParam));
 
         try {
             Integer count = userMapper.countOfUser(userParam);
-            log.debug("end countOfUser userParam:{} count:{}", JSON.toJSONString(userParam), count);
+            log.debug("end countOfUser userParam:{} count:{}", JsonTools.toJSONString(userParam), count);
             return count;
         } catch (RuntimeException ex) {
-            log.error("fail countOfUser userParam:{}", JSON.toJSONString(userParam), ex);
+            log.error("fail countOfUser userParam:{}", JsonTools.toJSONString(userParam), ex);
             throw new NodeMgrException(ConstantCode.DB_EXCEPTION);
         }
     }
@@ -210,10 +210,10 @@ private Integer countOfUser(Integer userId) throws NodeMgrException {
      * query user list by page.
      */
     public List<TbUser> qureyUserList(UserParam userParam) throws NodeMgrException {
-        log.debug("start qureyUserList userParam:{}", JSON.toJSONString(userParam));
+        log.debug("start qureyUserList userParam:{}", JsonTools.toJSONString(userParam));
         // query user list
         List<TbUser> listOfUser = userMapper.listOfUser(userParam);
-        log.debug("end qureyUserList listOfUser:{}", JSON.toJSONString(listOfUser));
+        log.debug("end qureyUserList listOfUser:{}", JsonTools.toJSONString(listOfUser));
         return listOfUser;
     }
 
@@ -228,7 +228,7 @@ public TbUser queryUser(Integer userId, Integer groupId, String userName, String
             TbUser userRow = userMapper.queryUser(userId, groupId, userName, address);
             log.debug(
                 "end queryUser userId:{} groupId:{} userName:{}  address:{} TbUser:{}",
-                userId, groupId, userName, address, JSON.toJSONString(userRow));
+                userId, groupId, userName, address, JsonTools.toJSONString(userRow));
             return userRow;
         } catch (RuntimeException ex) {
             log.error("fail queryUser userId:{} groupId:{} userName:{}  address:{}",
@@ -284,7 +284,7 @@ public void updateUser(UpdateUserInputParam user) throws NodeMgrException {
      * update user info.
      */
     public void updateUser(TbUser user) throws NodeMgrException {
-        log.debug("start updateUser user", JSON.toJSONString(user));
+        log.debug("start updateUser user", JsonTools.toJSONString(user));
         Integer userId = Optional.ofNullable(user).map(u -> u.getUserId()).orElse(null);
         String description = Optional.ofNullable(user).map(u -> u.getDescription()).orElse(null);
         if (userId == null) {
diff --git a/src/test/java/node/mgr/test/abi/AbiControllerTest.java b/src/test/java/node/mgr/test/abi/AbiControllerTest.java
index d84f8a782..c35cb79db 100644
--- a/src/test/java/node/mgr/test/abi/AbiControllerTest.java
+++ b/src/test/java/node/mgr/test/abi/AbiControllerTest.java
@@ -17,7 +17,7 @@
 package node.mgr.test.abi;
 
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.Application;
 import com.webank.webase.node.mgr.abi.entity.ReqImportAbi;
 import org.junit.Before;
@@ -61,12 +61,12 @@ public void testInserAbi() throws Exception {
 		abiInsert.setContractAddress("0xd8e1e0834b38081982f4a080aeae350a6d422915");
 		abiInsert.setContractName("Hello");
 		String abiStr = "[{\"constant\":true,\"inputs\":[],\"name\":\"get\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256[]\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_ua\",\"type\":\"uint256[]\"}],\"name\":\"set\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]";
-		abiInsert.setContractAbi(JSON.parseArray(abiStr));
+		abiInsert.setContractAbi(JsonTools.toJavaObjectList(abiStr, Object.class));
 
 		// post action
 		ResultActions resultActions = mockMvc.perform(
 				MockMvcRequestBuilders.post("/abi")
-						.content(JSON.toJSONString(abiInsert))
+						.content(JsonTools.toJSONString(abiInsert))
 						.contentType(MediaType.APPLICATION_JSON_UTF8)
 		);
 		resultActions
@@ -118,12 +118,12 @@ public void testUpdateAbi() throws Exception {
 		abiUpdate.setContractAddress("0xd8e1e0834b38081982f4a080aeae350a6d422915");
 		abiUpdate.setContractName("Hello_222");
 		String abiStr = "[{\"constant\":true,\"inputs\":[],\"name\":\"get\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256[]\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_ua\",\"type\":\"uint256[]\"}],\"name\":\"set\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]";
-		abiUpdate.setContractAbi(JSON.parseArray(abiStr));
+		abiUpdate.setContractAbi(JsonTools.toJavaObjectList(abiStr, Object.class));
 
 		// post action
 		ResultActions resultActions = mockMvc.perform(
 				MockMvcRequestBuilders.put("/abi")
-						.content(JSON.toJSONString(abiUpdate))
+						.content(JsonTools.toJSONString(abiUpdate))
 						.contentType(MediaType.APPLICATION_JSON_UTF8)
 		);
 		resultActions.
diff --git a/src/test/java/node/mgr/test/abi/AbiServiceTest.java b/src/test/java/node/mgr/test/abi/AbiServiceTest.java
index 01cf2a1e5..4c9af76fa 100644
--- a/src/test/java/node/mgr/test/abi/AbiServiceTest.java
+++ b/src/test/java/node/mgr/test/abi/AbiServiceTest.java
@@ -16,7 +16,7 @@
 
 package node.mgr.test.abi;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.Application;
 import com.webank.webase.node.mgr.abi.AbiService;
 import com.webank.webase.node.mgr.abi.entity.AbiInfo;
@@ -46,7 +46,7 @@ public void testInsert() {
 		abiInsert.setContractAddress("0xd8e1e0834b38081982f4a080aeae350a6d422915");
 		abiInsert.setContractName("Hello");
 		String abiStr = "[{\"constant\":true,\"inputs\":[],\"name\":\"get\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256[]\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_ua\",\"type\":\"uint256[]\"}],\"name\":\"set\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]";
-		abiInsert.setContractAbi(JSON.parseArray(abiStr));
+		abiInsert.setContractAbi(JsonTools.toJavaObjectList(abiStr, Object.class));
 		abiService.saveAbi(abiInsert);
 		int afterCount = abiService.countOfAbi();
 		Assert.assertTrue("insert failed", afterCount > count);
diff --git a/src/test/java/node/mgr/test/alert/mail/AlertContentTest.java b/src/test/java/node/mgr/test/alert/mail/AlertContentTest.java
index 6837cd509..859971d24 100644
--- a/src/test/java/node/mgr/test/alert/mail/AlertContentTest.java
+++ b/src/test/java/node/mgr/test/alert/mail/AlertContentTest.java
@@ -16,7 +16,7 @@
 
 package node.mgr.test.alert.mail;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.base.tools.AlertRuleTools;
 import org.junit.Test;
 
diff --git a/src/test/java/node/mgr/test/alert/mail/SendMailTest.java b/src/test/java/node/mgr/test/alert/mail/SendMailTest.java
index 76a602d6b..82892da26 100644
--- a/src/test/java/node/mgr/test/alert/mail/SendMailTest.java
+++ b/src/test/java/node/mgr/test/alert/mail/SendMailTest.java
@@ -16,7 +16,7 @@
 
 package node.mgr.test.alert.mail;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.Application;
 import com.webank.webase.node.mgr.alert.mail.MailService;
 import com.webank.webase.node.mgr.alert.rule.AlertRuleMapper;
@@ -110,7 +110,7 @@ public void testSending() {
     public void testFinalEmailContent() {
         TbAlertRule alertRule = alertRuleService.queryByRuleId(1);
         System.out.println("=========alertRule=========");
-        System.out.println(JSON.toJSON(alertRule));
+        System.out.println(JsonTools.toJSONString(alertRule));
 
         String emailTitle = AlertRuleTools.getAlertTypeStrFromEnum(alertRule.getAlertType());
         System.out.println("=========emailTitle=========");
@@ -142,12 +142,12 @@ public void testProcessEmailContent() {
         // 假设只有一个参数时
         List<String> testParam = new ArrayList<>();
         testParam.add("nodeId");
-        String afterTestParam = JSON.toJSONString(testParam);
+        String afterTestParam = JsonTools.toJSONString(testParam);
         System.out.println("=======afterTestParam======");
         System.out.println(afterTestParam);
 
         // 转回去，可能出错
-        List<String> finalParamList = (List<String>) JSON.parse(afterTestParam);
+        List<String> finalParamList = JsonTools.toJavaObjectList(afterTestParam, String.class);
 
         // 待处理的string
         String alertContent = "您的节点nodeId状态异常";
@@ -169,7 +169,7 @@ public void parseString2List() {
 //        testList.add("yourmail@163.com");
 //        System.out.println(JSON.toJSON(testList));
         String listStr = "[\"targetmail@163.com\",\"yourmail@163.com\"]";
-        List<String> list = (List<String>) JSON.parse(listStr);
+        List<String> list = JsonTools.toJavaObjectList(listStr, String.class);
         System.out.println(list);
     }
 
diff --git a/src/test/java/node/mgr/test/alert/task/ParseToolTest.java b/src/test/java/node/mgr/test/alert/task/ParseToolTest.java
index ac9752d47..6f165a905 100644
--- a/src/test/java/node/mgr/test/alert/task/ParseToolTest.java
+++ b/src/test/java/node/mgr/test/alert/task/ParseToolTest.java
@@ -16,7 +16,7 @@
 
 package node.mgr.test.alert.task;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.webank.webase.node.mgr.Application;
 import com.webank.webase.node.mgr.node.Node;
diff --git a/src/test/java/node/mgr/test/contract/ContractControllerTest.java b/src/test/java/node/mgr/test/contract/ContractControllerTest.java
index dc92a5985..be6e31968 100644
--- a/src/test/java/node/mgr/test/contract/ContractControllerTest.java
+++ b/src/test/java/node/mgr/test/contract/ContractControllerTest.java
@@ -13,9 +13,7 @@
  */
 package node.mgr.test.contract;
 
-import com.alibaba.fastjson.JSON;
-import com.alibaba.fastjson.JSONArray;
-import com.alibaba.fastjson.JSONObject;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.Application;
 import com.webank.webase.node.mgr.contract.entity.Contract;
 import com.webank.webase.node.mgr.contract.entity.DeployInputParam;
@@ -91,7 +89,7 @@ public void testSaveContract() throws Exception {
             "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");
 
         ResultActions resultActions = mockMvc.perform(MockMvcRequestBuilders.post("/contract/save").
-            content(JSON.toJSONString(testUpdate)).
+            content(JsonTools.toJSONString(testUpdate)).
             contentType(MediaType.APPLICATION_JSON_UTF8)
         );
         resultActions.
@@ -122,7 +120,7 @@ public void testDeploy() throws Exception {
 
         ResultActions resultActions = mockMvc
             .perform(MockMvcRequestBuilders.post("/contract/deploy").
-                content(JSON.toJSONString(deployInputParam)).
+                content(JsonTools.toJSONString(deployInputParam)).
                 contentType(MediaType.APPLICATION_JSON_UTF8)
             );
         resultActions.
@@ -146,7 +144,7 @@ public void testQueryContractList() throws Exception {
 
         ResultActions resultActions = mockMvc
             .perform(MockMvcRequestBuilders.post("/contract/contractList").
-                content(JSON.toJSONString(param)).
+                content(JsonTools.toJSONString(param)).
                 contentType(MediaType.APPLICATION_JSON_UTF8)
             );
         resultActions.
@@ -166,7 +164,7 @@ public void testFindByPartOfBytecodeBin() throws Exception {
 
         ResultActions resultActions = mockMvc
             .perform(MockMvcRequestBuilders.post("/contract/findByPartOfBytecodeBin").
-                content(JSON.toJSONString(param)).
+                content(JsonTools.toJSONString(param)).
                 contentType(MediaType.APPLICATION_JSON_UTF8)
             );
         resultActions.
@@ -181,7 +179,7 @@ public void testFindByPartOfBytecodeBin() throws Exception {
     public void tesSendTransaction() throws Exception {
         //abi
         String abiStr = "[{\"constant\":false,\"inputs\":[{\"name\":\"num\",\"type\":\"uint256\"}],\"name\":\"trans\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"get\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"name\":\"a\",\"type\":\"string\"}],\"name\":\"abb\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"name\":\"b\",\"type\":\"string\"}],\"name\":\"bba\",\"type\":\"event\"}]";
-        List<Object> abiList = JSONArray.parseArray(abiStr);
+        List<Object> abiList = JsonTools.toJavaObjectList(abiStr, Object.class);
 
         //param
         TransactionInputParam param = new TransactionInputParam();
@@ -198,7 +196,7 @@ public void tesSendTransaction() throws Exception {
 
         ResultActions resultActions = mockMvc
             .perform(MockMvcRequestBuilders.post("/contract/transaction").
-                content(JSON.toJSONString(param)).
+                content(JsonTools.toJSONString(param)).
                 contentType(MediaType.APPLICATION_JSON_UTF8)
             );
         resultActions.
diff --git a/src/test/java/node/mgr/test/contract/ContractServiceTest.java b/src/test/java/node/mgr/test/contract/ContractServiceTest.java
index 03f6a5ea3..1892db501 100644
--- a/src/test/java/node/mgr/test/contract/ContractServiceTest.java
+++ b/src/test/java/node/mgr/test/contract/ContractServiceTest.java
@@ -16,8 +16,7 @@
 package node.mgr.test.contract;
 
 
-import com.alibaba.fastjson.JSON;
-import com.alibaba.fastjson.JSONArray;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.Application;
 import com.webank.webase.node.mgr.contract.entity.DeployInputParam;
 import com.webank.webase.node.mgr.contract.ContractService;
@@ -55,14 +54,14 @@ public void deployTest(){
         //deploy
         TbContract tbContract = contractService.deployContract(deployInputParam);
         assert (tbContract.getContractId()!=null);
-        System.out.println("=========================================deploy result:"+ JSON.toJSONString(tbContract));
+        System.out.println("=========================================deploy result:"+ JsonTools.toJSONString(tbContract));
     }
 
     @Test
     public void sendTransactionTest(){
         //abi
         String abiStr = "[{\"constant\":false,\"inputs\":[{\"name\":\"num\",\"type\":\"uint256\"}],\"name\":\"trans\",\"outputs\":[],\"payable\":false,\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"get\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"type\":\"function\"},{\"inputs\":[],\"payable\":false,\"type\":\"constructor\"}]";
-        List<Object> abiList = JSONArray.parseArray(abiStr);
+        List<Object> abiList = JsonTools.toJavaObjectList(abiStr, Object.class);
 
         //param
         TransactionInputParam param = new TransactionInputParam();
diff --git a/src/test/java/node/mgr/test/front/FrontControllerTest.java b/src/test/java/node/mgr/test/front/FrontControllerTest.java
index f24803abb..daec297df 100644
--- a/src/test/java/node/mgr/test/front/FrontControllerTest.java
+++ b/src/test/java/node/mgr/test/front/FrontControllerTest.java
@@ -13,7 +13,7 @@
  */
 package node.mgr.test.front;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.Application;
 import com.webank.webase.node.mgr.front.entity.FrontInfo;
 import org.junit.Before;
@@ -57,7 +57,7 @@ public void testNewFront() throws Exception {
         param.setAgency("1fe");
 
         ResultActions resultActions = mockMvc.perform(MockMvcRequestBuilders.post( "/front/new").
-            content(JSON.toJSONString(param)).
+            content(JsonTools.toJSONString(param)).
             contentType(MediaType.APPLICATION_JSON_UTF8)
         );
         resultActions.
diff --git a/src/test/java/node/mgr/test/frontInterface/FrontServiceTest.java b/src/test/java/node/mgr/test/frontInterface/FrontServiceTest.java
index be3a9b5eb..ec95078f2 100644
--- a/src/test/java/node/mgr/test/frontInterface/FrontServiceTest.java
+++ b/src/test/java/node/mgr/test/frontInterface/FrontServiceTest.java
@@ -13,7 +13,7 @@
  */
 package node.mgr.test.frontInterface;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.Application;
 import com.webank.webase.node.mgr.block.entity.BlockInfo;
 import com.webank.webase.node.mgr.front.entity.TotalTransCountInfo;
@@ -21,7 +21,7 @@
 import com.webank.webase.node.mgr.frontinterface.entity.SyncStatus;
 import com.webank.webase.node.mgr.monitor.ChainTransInfo;
 import com.webank.webase.node.mgr.node.entity.PeerInfo;
-import com.webank.webase.node.mgr.transaction.entity.TransReceipt;
+import org.fisco.bcos.web3j.protocol.core.methods.response.TransactionReceipt;
 import com.webank.webase.node.mgr.transaction.entity.TransactionInfo;
 import java.math.BigInteger;
 import java.util.List;
@@ -58,30 +58,30 @@ public void getContractCodeTest() {
 
     @Test
     public void getTransReceiptTest() {
-        TransReceipt transReceipt = frontInterface.getTransReceipt(groupId, transHash);
+        TransactionReceipt transReceipt = frontInterface.getTransReceipt(groupId, transHash);
         assert (transReceipt != null);
-        System.out.println(JSON.toJSONString(transReceipt));
+        System.out.println(JsonTools.toJSONString(transReceipt));
     }
 
     @Test
     public void getTransactionTest() {
         TransactionInfo transactionInfo = frontInterface.getTransaction(groupId, transHash);
         assert (transactionInfo != null);
-        System.out.println(JSON.toJSONString(transactionInfo));
+        System.out.println(JsonTools.toJSONString(transactionInfo));
     }
 
     @Test
     public void getBlockByNumberTest() {
         BlockInfo blockInfo = frontInterface.getBlockByNumber(groupId, new BigInteger("1000"));
 //        assert (blockInfo != null);
-        System.out.println(JSON.toJSONString(blockInfo));
+        System.out.println(JsonTools.toJSONString(blockInfo));
     }
 
     @Test
     public void getblockFromFrontByHashTest() {
         BlockInfo blockInfo = frontInterface.getblockByHash(groupId, blockHash);
         assert (blockInfo != null);
-        System.out.println(JSON.toJSONString(blockInfo));
+        System.out.println(JsonTools.toJSONString(blockInfo));
     }
 
     @Test
@@ -89,7 +89,7 @@ public void getTransFromFrontByHashTest() {
         ChainTransInfo chainTransInfo = frontInterface
             .getTransInfoByHash(groupId, transHash);
         assert (chainTransInfo != null);
-        System.out.println(JSON.toJSONString(chainTransInfo));
+        System.out.println(JsonTools.toJSONString(chainTransInfo));
     }
 
     @Test
@@ -113,21 +113,21 @@ public void getCodeFromFronthTest() {
     public void getTotalTransactionCountTest() {
         TotalTransCountInfo totalTransCount = frontInterface.getTotalTransactionCount(groupId);
         assert (totalTransCount != null);
-        System.out.println(JSON.toJSONString(totalTransCount));
+        System.out.println(JsonTools.toJSONString(totalTransCount));
     }
 
     @Test
     public void getTransByBlockNumberTest() {
         List<TransactionInfo> list = frontInterface.getTransByBlockNumber(groupId, blockNumber);
         assert (list != null && list.size() > 0);
-        System.out.println(JSON.toJSONString(list));
+        System.out.println(JsonTools.toJSONString(list));
     }
 
     @Test
     public void getGroupPeersTest() {
         List<String> list = frontInterface.getGroupPeers(groupId);
         assert (list != null && list.size() > 0);
-        System.out.println(JSON.toJSONString(list));
+        System.out.println(JsonTools.toJSONString(list));
     }
 
 
@@ -135,14 +135,14 @@ public void getGroupPeersTest() {
     public void getGroupListTest() {
         List<String> list = frontInterface.getGroupListFromSpecificFront(frontIp, frontPort);
         assert (list != null && list.size() > 0);
-        System.out.println("=====================list:" + JSON.toJSONString(list));
+        System.out.println("=====================list:" + JsonTools.toJSONString(list));
     }
 
     @Test
     public void getPeersTest() {
         PeerInfo[] list = frontInterface.getPeers(groupId);
         assert (list != null && list.length > 0);
-        System.out.println("=====================list:" + JSON.toJSONString(list));
+        System.out.println("=====================list:" + JsonTools.toJSONString(list));
     }
 
     @Test
@@ -156,7 +156,7 @@ public void getConsensusStatusTest() {
     public void syncStatusTest() {
         SyncStatus status = frontInterface.getSyncStatus(groupId);
         assert (status != null);
-        System.out.println("=====================status:" + JSON.toJSONString(status));
+        System.out.println("=====================status:" + JsonTools.toJSONString(status));
     }
 
     @Test
diff --git a/src/test/java/node/mgr/test/frontgroupmap/FrontGroupMapServiceTest.java b/src/test/java/node/mgr/test/frontgroupmap/FrontGroupMapServiceTest.java
index 472710790..06705097f 100644
--- a/src/test/java/node/mgr/test/frontgroupmap/FrontGroupMapServiceTest.java
+++ b/src/test/java/node/mgr/test/frontgroupmap/FrontGroupMapServiceTest.java
@@ -13,7 +13,7 @@
  */
 package node.mgr.test.frontgroupmap;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.Application;
 import com.webank.webase.node.mgr.frontgroupmap.FrontGroupMapService;
 import com.webank.webase.node.mgr.frontgroupmap.entity.FrontGroup;
@@ -38,14 +38,14 @@ public void getListTest() {
         param.setGroupId(2);
         List<FrontGroup> list = frontGroupMapService.getList(param);
         assert (list != null);
-        System.out.println(JSON.toJSONString(list));
+        System.out.println(JsonTools.toJSONString(list));
     }
 
     @Test
     public void listByGroupIdTest() {
         List<FrontGroup> list = frontGroupMapService.listByGroupId(2);
         assert (list != null);
-        System.out.println(JSON.toJSONString(list));
+        System.out.println(JsonTools.toJSONString(list));
     }
 
     @Test
diff --git a/src/test/java/node/mgr/test/group/GroupControllerTest.java b/src/test/java/node/mgr/test/group/GroupControllerTest.java
index f9e6aef7c..b7a919a40 100644
--- a/src/test/java/node/mgr/test/group/GroupControllerTest.java
+++ b/src/test/java/node/mgr/test/group/GroupControllerTest.java
@@ -15,7 +15,7 @@
  */
 package node.mgr.test.group;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.Application;
 import com.webank.webase.node.mgr.group.entity.ReqGenerateGroup;
 import com.webank.webase.node.mgr.group.entity.ReqGroupStatus;
@@ -113,7 +113,7 @@ public void testGenerateSingle() throws Exception {
         param.setDescription("test");
 
         ResultActions resultActions = mockMvc.perform(MockMvcRequestBuilders.post("/group/generate/" + targetNodeId).
-                content(JSON.toJSONString(param)).
+                content(JsonTools.toJSONString(param)).
                 contentType(MediaType.APPLICATION_JSON_UTF8)
         );
         resultActions.
@@ -134,7 +134,7 @@ public void testGenerate() throws Exception {
         param.setDescription("test");
 
         ResultActions resultActions = mockMvc.perform(MockMvcRequestBuilders.post( "/group/generate").
-                content(JSON.toJSONString(param)).
+                content(JsonTools.toJSONString(param)).
                 contentType(MediaType.APPLICATION_JSON_UTF8)
         );
         resultActions.
@@ -153,7 +153,7 @@ public void testOperate() throws Exception {
 //        param.setType("recover");
         ResultActions resultActions = mockMvc.perform(MockMvcRequestBuilders
                 .post("/group/operate/" + targetNodeId).
-                content(JSON.toJSONString(param)).
+                content(JsonTools.toJSONString(param)).
                 contentType(MediaType.APPLICATION_JSON_UTF8)
         );
         resultActions.
@@ -186,7 +186,7 @@ public void testGroupStatusList() throws Exception {
         param.setNodeIdList(nodeIdList);
         ResultActions resultActions = mockMvc.perform(MockMvcRequestBuilders
                 .post("/group/queryGroupStatus/list")
-                .content(JSON.toJSONString(param))
+                .content(JsonTools.toJSONString(param))
                 .contentType(MediaType.APPLICATION_JSON_UTF8)
         );
         resultActions.
diff --git a/src/test/java/node/mgr/test/method/MethodControllerTest.java b/src/test/java/node/mgr/test/method/MethodControllerTest.java
index f78de4107..1665ea9d8 100644
--- a/src/test/java/node/mgr/test/method/MethodControllerTest.java
+++ b/src/test/java/node/mgr/test/method/MethodControllerTest.java
@@ -15,7 +15,7 @@
  */
 package node.mgr.test.method;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.Application;
 import com.webank.webase.node.mgr.method.entity.Method;
 import com.webank.webase.node.mgr.method.entity.NewMethodInputParam;
@@ -63,7 +63,7 @@ public void testAddMethod() throws Exception {
         param.setGroupId(2);
 
         ResultActions resultActions = mockMvc.perform(MockMvcRequestBuilders.post( "/method/add").
-            content(JSON.toJSONString(param)).
+            content(JsonTools.toJSONString(param)).
             contentType(MediaType.APPLICATION_JSON_UTF8)
         );
         resultActions.
diff --git a/src/test/java/node/mgr/test/token/TokenTest.java b/src/test/java/node/mgr/test/token/TokenTest.java
index 894b11a04..6e6e3ad87 100644
--- a/src/test/java/node/mgr/test/token/TokenTest.java
+++ b/src/test/java/node/mgr/test/token/TokenTest.java
@@ -1,6 +1,6 @@
 package node.mgr.test.token;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.Application;
 import com.webank.webase.node.mgr.token.TokenService;
 import com.webank.webase.node.mgr.transaction.TransHashService;
diff --git a/src/test/java/node/mgr/test/transaction/TransHashServiceTest.java b/src/test/java/node/mgr/test/transaction/TransHashServiceTest.java
index 308496095..53214f3c0 100644
--- a/src/test/java/node/mgr/test/transaction/TransHashServiceTest.java
+++ b/src/test/java/node/mgr/test/transaction/TransHashServiceTest.java
@@ -1,6 +1,6 @@
 package node.mgr.test.transaction;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.Application;
 import com.webank.webase.node.mgr.transaction.TransHashMapper;
 import com.webank.webase.node.mgr.transaction.entity.TbTransHash;
@@ -48,11 +48,11 @@ public void getTransListFromChain() {
         BigInteger blockNumber = new BigInteger("12");
         List<TbTransHash> trans = transHashService.getTransListFromChain(groupId, transHash, blockNumber);
         assert (trans != null);
-        System.out.println(JSON.toJSONString(trans));
+        System.out.println(JsonTools.toJSONString(trans));
     }
 
     /**
-     * TODO optimize getCount's time
+     * optimize getCount's time: use tx_id to record count
      */
     @Test
     public void getCountTimeCost() {
diff --git a/src/test/java/node/mgr/test/user/UserControllerTest.java b/src/test/java/node/mgr/test/user/UserControllerTest.java
index 57f088f68..d5999c603 100644
--- a/src/test/java/node/mgr/test/user/UserControllerTest.java
+++ b/src/test/java/node/mgr/test/user/UserControllerTest.java
@@ -13,7 +13,7 @@
  */
 package node.mgr.test.user;
 
-import com.alibaba.fastjson.JSON;
+import com.webank.webase.node.mgr.base.tools.JsonTools;
 import com.webank.webase.node.mgr.Application;
 import com.webank.webase.node.mgr.frontgroupmap.FrontGroupMapCache;
 import com.webank.webase.node.mgr.user.entity.BindUserInputParam;
@@ -62,7 +62,7 @@ public void testNewUser() throws Exception {
         newUser.setGroupId(1);
 
         ResultActions resultActions = mockMvc.perform(MockMvcRequestBuilders.post("/user/userInfo").
-            content(JSON.toJSONString(newUser)).
+            content(JsonTools.toJSONString(newUser)).
             contentType(MediaType.APPLICATION_JSON_UTF8)
         );
         resultActions.
@@ -79,7 +79,7 @@ public void testUpdateUser() throws Exception {
         updateUser.setDescription("testtttttttttttttttttttttttt");
 
         ResultActions resultActions = mockMvc.perform(MockMvcRequestBuilders.put("/user/userInfo").
-            content(JSON.toJSONString(updateUser)).
+            content(JsonTools.toJSONString(updateUser)).
             contentType(MediaType.APPLICATION_JSON_UTF8)
         );
         resultActions.
@@ -99,7 +99,7 @@ public void testBindUser() throws Exception {
             "tettewetrweewtettewetrweewtettewetrweewtettewetrweewtettewetrweewtettewetrweewtettewetrweewtettewetrweewtettewetrweewtettewetrweew");
 
         ResultActions resultActions = mockMvc.perform(MockMvcRequestBuilders.post("/user/bind").
-            content(JSON.toJSONString(newUser)).
+            content(JsonTools.toJSONString(newUser)).
             contentType(MediaType.APPLICATION_JSON_UTF8)
         );
         resultActions.