fix:更新已知bug,优化代码

vendor/workerman/webman-framework/src/Config.php

@@ -73,6 +73,14 @@ class Config
         static::load($config_path, $exclude_file);
     }
 
+    /**
+     * @return void
+     */
+    public static function clear()
+    {
+        static::$_config = [];
+    }
+
     /**
      * @return void
      */