diff --git a/src/pages/03_customer-management/BranchPage.vue b/src/pages/03_customer-management/BranchPage.vue
index afd6f2be..4b14ee22 100644
--- a/src/pages/03_customer-management/BranchPage.vue
+++ b/src/pages/03_customer-management/BranchPage.vue
@@ -77,6 +77,10 @@ defineEmits<{
 }>();
 
 onMounted(async () => {
+  const url = window.location.href;
+  const parts = url.split('/');
+  customerBranchFormState.value.currentCustomerId = parts[4];
+
   await fetchList();
 });