天气订阅功能优化

plugins/weather/main.py

@@ -111,6 +111,7 @@ class WeatherPlugin(MessagePluginInterface):
         self.plugin_dir = os.path.dirname(os.path.abspath(__file__))
         self.feature = self.register_feature()
         self.redis_manager = None
+        self._config = {}
         self.bot_client = None
         self.task = None
 
@@ -119,8 +120,6 @@ class WeatherPlugin(MessagePluginInterface):
         self.LOG = logger
         self.LOG.info(f"正在初始化 {self.name} 插件...")
 
-        self._config = context.get("config", {})
-
         # Redis 初始化
         db_manager = context.get("db_manager")
         if db_manager: