diff --git a/plugins/qbittorrent/workers/qbittorrent_worker.py b/plugins/qbittorrent/workers/qbittorrent_worker.py
index faca6e366..d21f65ef8 100755
--- a/plugins/qbittorrent/workers/qbittorrent_worker.py
+++ b/plugins/qbittorrent/workers/qbittorrent_worker.py
@@ -143,7 +143,7 @@ class downloadBT(Thread):
             return False
 
     def __check(self):
-        if not __db_err:
+        if self.__db_err:
             sys.exit('未连接数据库!')
 
     def __close(self):