update : 增加destoryConnect cli

src/Mysql/MysqlBase.php

@@ -173,6 +173,10 @@ abstract class MysqlBase
      */
     public static function getConnection($type, $flush = false)
     {
+        if(PHP_SAPI == 'cli'){
+            // cli模式下，不走单例，gone away 
+            $flush = true;
+        }
         if (!isset(self::$dbConnect[static::CONFIG_INDEX.':'.$type]) || $flush) {
             self::$dbConnect[static::CONFIG_INDEX.':'.$type] = new Medoo(self::getDbConf($type));
         }
@@ -495,4 +499,20 @@ abstract class MysqlBase
         self::$dbConnect[static::CONFIG_INDEX.':'.$type] = self::getConnection($type);
         return self::$dbConnect[static::CONFIG_INDEX.':'.$type]->action($actions);
     }
+
+    /**
+     * 销毁所有已存在的连接，守护进程需要手动调用
+     *
+     * @return void
+     */
+    public static function destroyConnetion()
+    {
+        if(self::$dbConnect) {
+            foreach(self::$dbConnect as $conn) {
+                $conn->pdo = null;
+                unset($conn);
+            }
+            self::$dbConnect = [];
+        }
+    }
 }