diff --git a/backend/services/monitor_service.go b/backend/services/monitor_service.go
index fc0e82c..4ed31fa 100644
--- a/backend/services/monitor_service.go
+++ b/backend/services/monitor_service.go
@@ -138,6 +138,7 @@ func (c *monitorService) StopMonitor(server string) (resp types.JSResp) {
 	}
 
 	//close(item.ch)
+	item.client.Close()
 	close(item.closeCh)
 	delete(c.items, server)
 	resp.Success = true