diff --git a/src/pages/03_customer-management/MainPage.vue b/src/pages/03_customer-management/MainPage.vue
index d767eb9e..81927594 100644
--- a/src/pages/03_customer-management/MainPage.vue
+++ b/src/pages/03_customer-management/MainPage.vue
@@ -671,6 +671,7 @@ async function assignFormData(data: Customer & { branch: CustomerBranch[] }) {
 
   data.branch.forEach((v) => {
     formData.value.customerBranch?.push({
+      id: v.id,
       address: v.address,
       addressEN: v.addressEN,
       provinceId: v.province.id,
diff --git a/src/stores/customer/types.ts b/src/stores/customer/types.ts
index 2465016b..b605d20b 100644
--- a/src/stores/customer/types.ts
+++ b/src/stores/customer/types.ts
@@ -87,7 +87,7 @@ export type CustomerBranchCreate = {
 };
 
 export type CustomerCreate = {
-  customerBranch?: CustomerBranchCreate[];
+  customerBranch?: (CustomerBranchCreate & { id?: string })[];
   taxNo?: string | null;
   customerNameEN: string;
   customerName: string;
@@ -101,7 +101,7 @@ export type CustomerUpdate = {
   customerType?: CustomerType;
   customerName?: string;
   customerNameEN?: string;
-  customerBranch?: CustomerBranchCreate[];
+  customerBranch?: (CustomerBranchCreate & { id?: string })[];
   taxNo?: string | null;
   image?: File;
 };