fix: resolve dify init and douyu session errors

plugins/douyu/main.py

@@ -666,11 +666,11 @@ class DouyuPlugin(MessagePluginInterface):
                             continue
                         if prev_live is True and curr_live is True and room_id not in self._danmu_recorders:
                             try:
-                                session = self._open_or_resume_session(room_id, nickname, room_name)
-                                if session:
+                                room_session = self._open_or_resume_session(room_id, nickname, room_name)
+                                if room_session:
                                     logger.info(
                                         f"检测到持续直播状态，续接斗鱼直播会话({room_id}): "
-                                        f"session={session.get('session_id')}"
+                                        f"session={room_session.get('session_id')}"
                                     )
                                 logger.info(f"检测到持续直播状态，补偿启动斗鱼弹幕记录({room_id})")
                                 self._start_danmu_record(room_id)