diff --git a/src/siam/AbstractInterface/CronAbstract.php b/src/siam/AbstractInterface/CronAbstract.php
new file mode 100644
index 0000000..2654edb
--- /dev/null
+++ b/src/siam/AbstractInterface/CronAbstract.php
@@ -0,0 +1,58 @@
+<?php
+/**
+ * 任务模板基类 定义格式
+ * User: Siam
+ * Date: 2019/11/27
+ * Time: 9:12
+ */
+
+namespace Siam\AbstractInterface;
+
+
+abstract class CronAbstract
+{
+    public function __construct()
+    {
+        set_time_limit(0);
+    }
+
+    /**
+     * 写明监控时间周期
+     * @return mixed
+     */
+    abstract function rule();
+
+    /**
+     * 执行逻辑
+     * @return mixed
+     */
+    public function run(){
+        $data = $this->before();
+
+        $res = $this->doJob($data);
+
+        return $this->after($res);
+    }
+
+    /**
+     * @return mixed
+     */
+    abstract function before();
+
+    /**
+     * @param null $data
+     * @return bool
+     */
+    abstract function doJob($data = NULL);
+
+    /**
+     * @param bool $res
+     * @return mixed
+     */
+    abstract function after($res = true);
+
+    protected function log($string)
+    {
+        echo date('Y-m-d H:i:s')." {$string} ". PHP_EOL;
+    }
+}
\ No newline at end of file