diff --git a/composer.json b/composer.json
index fc7fbd3..dbd8da7 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,10 @@
     "require": {
       "ext-json": "*",
       "ext-openssl": "*",
-      "ext-bcmath": "*"
+      "ext-bcmath": "*",
+      "ext-curl": "*",
+      "ext-simplexml": "*",
+      "ext-libxml": "*"
     },
     "autoload": {
         "psr-4": {
diff --git a/src/siam/AbstractInterface/CronBase.php b/src/siam/AbstractInterface/CronBase.php
new file mode 100644
index 0000000..925871a
--- /dev/null
+++ b/src/siam/AbstractInterface/CronBase.php
@@ -0,0 +1,82 @@
+<?php
+/**
+ * 定时任务基础
+ * User: Siam
+ * Date: 2019/11/21
+ * Time: 9:32
+ */
+
+namespace Siam\AbstractInterface;
+
+abstract class CronBase
+{
+    protected static $singleCron = false;
+    protected static $runtimePath;
+
+    /**
+     * CronBase constructor.
+     * @throws \Exception
+     */
+    public function __construct()
+    {
+        static::$runtimePath = dirname(__FILE__);
+        // 判断是否为单一任务 是的话停止运行
+        $lockName = static::$runtimePath.DIRECTORY_SEPARATOR.md5($this->rule()).".txt";
+        if ( static::$singleCron && file_exists($lockName) ){
+            throw new \Exception($this->rule() . " is single cron job");
+        }
+        if (static::$singleCron){
+            file_put_contents($lockName, time());
+        }
+    }
+
+    /**
+     * 写明监控任务名
+     * @return mixed
+     */
+    abstract function rule();
+
+    /**
+     * 执行逻辑
+     * @return void
+     * @throws \Throwable
+     */
+    public function run(){
+        $data = $this->before();
+
+        try{
+            $res = $this->do($data);
+        }catch (\Throwable $throwable){
+            $this->clearClock();
+            throw $throwable;
+        }
+
+        $this->clearClock();
+        $this->after($res);
+    }
+
+    /**
+     * @return mixed
+     */
+    abstract function before();
+
+    /**
+     * @param null $data
+     * @return bool
+     */
+    abstract function do($data = NULL);
+
+    /**
+     * @param bool $res
+     * @return mixed
+     */
+    abstract function after($res = true);
+
+    private function clearClock()
+    {
+        $lockName = static::$runtimePath.DIRECTORY_SEPARATOR.md5($this->rule()).".txt";
+        if (file_exists($lockName)){
+            unlink($lockName);
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/siam/Api.php b/src/siam/Api.php
index 4424902..c9f281d 100644
--- a/src/siam/Api.php
+++ b/src/siam/Api.php
@@ -40,6 +40,18 @@ public static function json($code, $data = [], $msg = '')
         exit;
     }
 
+    public static function send($code, $data = [], $msg = '')
+    {
+        $return = [
+            'code' => "$code",
+            'data' => (object) $data,
+            'msg'  => $msg,
+        ];
+
+        $json = json_encode($return, 256);
+
+        return $json;
+    }
     /**
      * 输出调试
      * @param $name string 标签名
diff --git a/src/siam/Curl.php b/src/siam/Curl.php
index 2966405..54439ce 100644
--- a/src/siam/Curl.php
+++ b/src/siam/Curl.php
@@ -23,6 +23,7 @@ class Curl
     /**
      * 设置Heard头
      * @Curl
+     * @param $data
      */
     public function setHead($data)
     {
@@ -32,6 +33,7 @@ public function setHead($data)
     /**
      * 设置超时
      * @Curl
+     * @param $s
      */
     public function setTimeout($s)
     {
@@ -97,7 +99,7 @@ public function send($url, $data = null, $cert = [], $post = true)
 
         if ($response === false) {
             curl_close($curl);  // 释放cURL句柄,关闭一个cURL会话
-            throw new \Exception("curlError||" . curl_errno($curl) . "||" . curl_error($curl));
+            throw new \Exception("[". curl_errno($curl) . "]" . curl_error($curl));
         }
 
         $this->responseHead = curl_getinfo($curl);
diff --git a/src/siam/JWT.php b/src/siam/JWT.php
index 5d5c82b..352bbb2 100644
--- a/src/siam/JWT.php
+++ b/src/siam/JWT.php
@@ -133,14 +133,25 @@ private function jwt()
         return $str;
     }
 
+    /**
+     * @param $str
+     * @return mixed
+     * @throws \Exception
+     */
     function decode($str)
     {
-        if ($str == '') return "STR NULL";
+        if ($str == '') {
+            throw new \Exception("token is null");
+        }
 
         $temArr = explode('.', $str);
 
-        if (empty($temArr) && !is_array($temArr)) return 'STR ERROR';
-        if (count($temArr) != 3) return 'STR ERROR';
+        if (empty($temArr) && !is_array($temArr)) {
+            throw new \Exception("token sign error");
+        }
+        if (count($temArr) != 3) {
+            throw new \Exception("token sign error");
+        }
 
         $this->headStr = $temArr[0];
         // 解head 拿算法
@@ -150,7 +161,7 @@ function decode($str)
             $this->alg = $head['alg'];
         }else{
             $this->clear();
-            return 'ALG ERROR';
+            throw new \Exception("alg error");
         }
 
         $this->dataStr = $temArr[1];
@@ -159,7 +170,7 @@ function decode($str)
         $this->makeSign();
         if ($temArr[2] !== $this->signStr) {
             $this->clear();
-            return 'SIGN ERROR';
+            throw new \Exception("token sign error");
         }
 
         $data = json_decode(Base64Url::decode($this->dataStr), TRUE);
@@ -168,13 +179,13 @@ function decode($str)
         // 在此之前不可用
         if (!empty($data['nbf']) && ($data['nbf'] > $time)){
             $this->clear();
-            return 'NOTBEFORE';
+            throw new \Exception("token not before");
         }
 
         // 是否已经过期
         if (!empty($data['exp']) && ($data['exp'] < $time)){
             $this->clear();
-            return 'EXP';
+            throw new \Exception("token exp");
         }
 
         // 返回解析数据
diff --git a/src/siam/Logger.php b/src/siam/Logger.php
index 190de42..22a11ef 100644
--- a/src/siam/Logger.php
+++ b/src/siam/Logger.php
@@ -37,7 +37,6 @@ function __construct(LoggerAbstractInterface $logger = null)
      */
     public function log($str, $level = 'debug')
     {
-        // TODO: Implement log() method.
         return $this->logger->log($str, $level);
     }
 }
\ No newline at end of file