diff --git a/src/main/java/com/ly/ckibana/handlers/ParamHandler.java b/src/main/java/com/ly/ckibana/handlers/ParamHandler.java
index 2be7fbc..088fe7b 100644
--- a/src/main/java/com/ly/ckibana/handlers/ParamHandler.java
+++ b/src/main/java/com/ly/ckibana/handlers/ParamHandler.java
@@ -140,7 +140,7 @@ public String doHandle(RequestContext context) {
             }
     
             String body = proxyConfigLoader.getYaml().dumpAs(kibanaProperty, Tag.MAP, DumperOptions.FlowStyle.BLOCK);
-            String response =  EsClientUtil.saveOne(proxyConfigLoader.getMetadataRestClient(), proxyConfigLoader.getSettingsIndexName(),
+            String response = EsClientUtil.saveOne(proxyConfigLoader.getMetadataRestClient(), proxyConfigLoader.getSettingsIndexName(),
                     "kibana",
                     Map.of(
                             "key", "kibana",
diff --git a/src/main/java/com/ly/ckibana/util/DateUtils.java b/src/main/java/com/ly/ckibana/util/DateUtils.java
index 4a0427e..86b102b 100644
--- a/src/main/java/com/ly/ckibana/util/DateUtils.java
+++ b/src/main/java/com/ly/ckibana/util/DateUtils.java
@@ -29,7 +29,6 @@
 import java.util.Date;
 import java.util.List;
 import java.util.Locale;
-import java.sql.Timestamp;
 
 @Slf4j
 public class DateUtils {
diff --git a/src/main/java/com/ly/ckibana/util/ProxyUtils.java b/src/main/java/com/ly/ckibana/util/ProxyUtils.java
index 0d285e6..dc9485a 100644
--- a/src/main/java/com/ly/ckibana/util/ProxyUtils.java
+++ b/src/main/java/com/ly/ckibana/util/ProxyUtils.java
@@ -279,7 +279,7 @@ public static Range getRangeWrappedBySqlFunction(Range orgRange, boolean isTimeF
      */
     public static String generateTimeFieldSqlWithFormatDateTime64ZoneShangHai(Object value, String ckFieldType) {
         if (SqlUtils.isDateTime64(ckFieldType)) {
-            return String.format("toDateTime64(%s/1000,%d)", value.toString(),SqlUtils.getDateTime64Scale(ckFieldType));
+            return String.format("toDateTime64(%s/1000,%d)", value.toString(), SqlUtils.getDateTime64Scale(ckFieldType));
         } else if (SqlUtils.isDateTime(ckFieldType)) {
             return String.format("toDateTime(%s/1000)", value.toString());
         } else {
diff --git a/src/main/java/com/ly/ckibana/util/RestUtils.java b/src/main/java/com/ly/ckibana/util/RestUtils.java
index 6f7b15a..066dbe5 100644
--- a/src/main/java/com/ly/ckibana/util/RestUtils.java
+++ b/src/main/java/com/ly/ckibana/util/RestUtils.java
@@ -87,7 +87,7 @@ public static RestClient initEsRestClient(String host, Map<String, String> heade
                 if (each.contains(":")) {
                     String[] splits = each.split(":");
                     hosts[i] = new HttpHost(splits[0], Integer.parseInt(splits[1]));
-                }else {
+                } else {
                     hosts[i] = new HttpHost(host);
                 }
             }
diff --git a/src/main/java/com/ly/ckibana/util/SqlUtils.java b/src/main/java/com/ly/ckibana/util/SqlUtils.java
index 1949923..73c4f63 100644
--- a/src/main/java/com/ly/ckibana/util/SqlUtils.java
+++ b/src/main/java/com/ly/ckibana/util/SqlUtils.java
@@ -407,7 +407,6 @@ public static String getSelectTemplate(String selectSql, String table) {
         return String.format("SELECT %s FROM %s", selectSql, table);
     }
 
-
     /**
      * 是否为DateTime64时间类型.
      *
@@ -418,17 +417,16 @@ public static boolean isDateTime64(String ckFieldType) {
         return StringUtils.startsWith(ckFieldType, SqlConstants.TYPE_DATETIME64);
     }
 
-
     /**
-     * DateTime64时间类型，提取精度
+     * DateTime64时间类型，提取精度.
      *
      * @param ckFieldType ck字段类型,如DateTime64(3)
      * @return 精度,如3
      */
     public static int getDateTime64Scale(String ckFieldType) {
-        String scale= ckFieldType.replace(SqlConstants.TYPE_DATETIME64,StringUtils.EMPTY)
-                .replace(Constants.Symbol.LEFT_PARENTHESIS,StringUtils.EMPTY)
-                .replace(Constants.Symbol.RIGHT_PARENTHESIS,StringUtils.EMPTY);
+        String scale = ckFieldType.replace(SqlConstants.TYPE_DATETIME64, StringUtils.EMPTY)
+                .replace(Constants.Symbol.LEFT_PARENTHESIS, StringUtils.EMPTY)
+                .replace(Constants.Symbol.RIGHT_PARENTHESIS, StringUtils.EMPTY);
         return Integer.parseInt(scale);
     }
     /**