天气订阅功能优化

plugins/weather/main.py

@@ -8,6 +8,7 @@ from typing import Dict, Any, List, Optional, Tuple
 
 from base.plugin_common.message_plugin_interface import MessagePluginInterface
 from base.plugin_common.plugin_interface import PluginStatus
+from db.connection import DBConnectionManager
 from utils.decorator.plugin_decorators import plugin_stats_decorator
 from utils.robot_cmd.robot_command import Feature, PermissionStatus, GroupBotManager
 from utils.decorator.points_decorator import plugin_points_cost
@@ -121,11 +122,9 @@ class WeatherPlugin(MessagePluginInterface):
         self.LOG.info(f"正在初始化 {self.name} 插件...")
 
         # Redis 初始化
-        db_manager = context.get("db_manager")
-        if db_manager:
-            self.redis_manager = WeatherRedisManager(db_manager)
-        else:
-            self.LOG.error("❌ 未找到 db_manager，功能受限！")
+        self.db_manager = DBConnectionManager.get_instance()
+
+        self.redis_manager = WeatherRedisManager(self.db_manager)
 
         self._commands = self._config.get("Weather", {}).get("command", ["天气", "订阅天气", "取消订阅"])
         self.enable = self._config.get("Weather", {}).get("enable", True)