diff --git a/frontend/src/pages/TenantDomain.vue b/frontend/src/pages/TenantDomain.vue
index 07317ae..3e801e4 100644
--- a/frontend/src/pages/TenantDomain.vue
+++ b/frontend/src/pages/TenantDomain.vue
@@ -409,11 +409,12 @@ const stopConnect = () => {
 
 const onSubmit = async () => {
   addEditLoading.value = true;
-  const tryResult = await tryConnect(false);
-  if (!tryResult) {
+  try {
+    await tryConnect(false);
+  } catch (e) {
     addEditLoading.value = false;
-    return
-  };
+    return;
+  }
   const method = editId.value !== 0 ? 'put' : 'post';
   const param: IDomainSubmit = {
     'id': editId.value,