diff --git a/fe_calckey/frontend/client/src/directives/tooltip.ts b/fe_calckey/frontend/client/src/directives/tooltip.ts
index 0e3ae3f..34e136c 100644
--- a/fe_calckey/frontend/client/src/directives/tooltip.ts
+++ b/fe_calckey/frontend/client/src/directives/tooltip.ts
@@ -118,6 +118,6 @@ export default {
     unmounted(el, binding, vn) {
         const self = el._tooltipDirective_;
         window.clearInterval(self.checkTimer);
-        self.close();
+        if (self) self.close();
     },
 } as Directive;