diff --git a/src/pages/03_customer-management/MainPage.vue b/src/pages/03_customer-management/MainPage.vue
index 5636ff9f..e33b0175 100644
--- a/src/pages/03_customer-management/MainPage.vue
+++ b/src/pages/03_customer-management/MainPage.vue
@@ -2075,7 +2075,7 @@ const emptyCreateDialog = ref(false);
                       });
                     } else {
                       await customerStore.editBranchById(
-                        customerFormData.customerBranch[idx].id,
+                        customerFormData.customerBranch[idx].id || '',
                         {
                           ...customerFormData.customerBranch[idx],
                           id: undefined,
@@ -2106,7 +2106,7 @@ const emptyCreateDialog = ref(false);
                     async () => {
                       if (!!customerFormData.customerBranch?.[idx].id) {
                         const action = await deleteCustomerBranchById(
-                          customerFormData.customerBranch[idx].id,
+                          customerFormData.customerBranch[idx].id || '',
                         );
                         if (action) {
                           await customerFormStore.assignFormData(