update plugin setting

Author: wj-Mcat

src/wechaty/plugin.py

@@ -654,7 +654,7 @@ async def get_plugin_setting() -> Response:
                 return error(f'plugin<{name}> not exist ...')
             plugin: WechatyPlugin = self._plugins[name]
 
-            return success(plugin.setting)
+            return success(plugin.setting.to_dict())
 
         @app.route('/plugins/setting', methods=['POST', 'PUT'])
         async def update_plugin_setting() -> Response:

src/wechaty/utils/data_util.py

@@ -71,3 +71,7 @@ def __iter__(self) -> Iterator[_KT]:
     def __len__(self) -> int:
         """get the length of dict data"""
         return len(self._dict_data)
+
+    def to_dict(self) -> dict:
+        """get the source dict data"""
+        return self._dict_data