diff --git a/plugins/synccookiecloud/__init__.py b/plugins/synccookiecloud/__init__.py
index cdd2f20..9dc5c63 100644
--- a/plugins/synccookiecloud/__init__.py
+++ b/plugins/synccookiecloud/__init__.py
@@ -41,6 +41,10 @@ class SyncCookieCloud(_PluginBase):
 
     def init_plugin(self, config: dict = None):
         self.siteoper = SiteOper()
+
+        # 停止现有任务
+        self.stop_service()
+
         if config:
             self._enabled = config.get("enabled")
             self._onlyonce = config.get("onlyonce")
@@ -225,4 +229,11 @@ class SyncCookieCloud(_PluginBase):
         """
         退出插件
         """
-        pass
+        try:
+            if self._scheduler:
+                self._scheduler.remove_all_jobs()
+                if self._scheduler.running:
+                    self._scheduler.shutdown()
+                self._scheduler = None
+        except Exception as e:
+            logger.error("退出插件失败：%s" % str(e))
\ No newline at end of file