diff --git a/src/pages/03_customer-management/BranchPage.vue b/src/pages/03_customer-management/BranchPage.vue
index 2831bc68..3c2e07bb 100644
--- a/src/pages/03_customer-management/BranchPage.vue
+++ b/src/pages/03_customer-management/BranchPage.vue
@@ -856,7 +856,6 @@ watch(
             v-model:last-name-en="customerBranchFormData.lastNameEN"
             v-model:gender="customerBranchFormData.gender"
             v-model:birth-date="customerBranchFormData.birthDate"
-            v-model:customer-name="customerBranchFormData.customerName"
             v-model:legal-person-no="customerBranchFormData.legalPersonNo"
             v-model:branch-code="customerBranchFormData.code"
             v-model:register-name="customerBranchFormData.registerName"
diff --git a/src/pages/03_customer-management/MainPage.vue b/src/pages/03_customer-management/MainPage.vue
index c32986d4..a9e001cc 100644
--- a/src/pages/03_customer-management/MainPage.vue
+++ b/src/pages/03_customer-management/MainPage.vue
@@ -4410,7 +4410,6 @@ const emptyCreateDialog = ref(false);
                         await customerStore.createBranch({
                           ...customerFormData.customerBranch[idx],
                           customerId: customerFormState.editCustomerId,
-                          id: undefined,
                         });
                       } else {
                         await customerStore.editBranchById(
diff --git a/src/pages/03_customer-management/components/employer/EmployerFormAbout.vue b/src/pages/03_customer-management/components/employer/EmployerFormAbout.vue
index 8e38e81b..f98df3da 100644
--- a/src/pages/03_customer-management/components/employer/EmployerFormAbout.vue
+++ b/src/pages/03_customer-management/components/employer/EmployerFormAbout.vue
@@ -167,20 +167,6 @@ watch(
       </div>
 
       <div class="col-12 row q-col-gutter-sm">
-        <q-input
-          dense
-          outlined
-          :readonly="readonly"
-          hide-bottom-space
-          class="col-12 col-md-5"
-          :label="$t('customer.form.employerName')"
-          for="input-legal-person-no"
-          :model-value="customerName"
-          @update:model-value="
-            (v) => (typeof v === 'string' ? (customerName = v.trim()) : '')
-          "
-        />
-
         <q-input
           dense
           outlined
diff --git a/src/pages/03_customer-management/components/employer/EmployerFormBranch.vue b/src/pages/03_customer-management/components/employer/EmployerFormBranch.vue
index 96c8539d..e198b6b6 100644
--- a/src/pages/03_customer-management/components/employer/EmployerFormBranch.vue
+++ b/src/pages/03_customer-management/components/employer/EmployerFormBranch.vue
@@ -142,7 +142,6 @@ withDefaults(
             v-model:last-name-en="item.lastNameEN"
             v-model:gender="item.gender"
             v-model:birth-date="item.birthDate"
-            v-model:customer-name="item.customerName"
             v-model:legal-person-no="item.legalPersonNo"
             v-model:branch-code="item.code"
             v-model:register-name="item.registerName"
diff --git a/src/pages/03_customer-management/form.ts b/src/pages/03_customer-management/form.ts
index a45ebcb3..afc6efe2 100644
--- a/src/pages/03_customer-management/form.ts
+++ b/src/pages/03_customer-management/form.ts
@@ -218,7 +218,6 @@ export const useCustomerForm = defineStore('form-customer', () => {
         contactTel: v.contactTel,
         officeTel: v.officeTel,
         agentUserId: v.agentUserId || undefined,
-        customerName: v.customerName,
         authorizedName: v.authorizedName,
         authorizedNameEN: v.authorizedNameEN,
 
@@ -328,8 +327,6 @@ export const useCustomerForm = defineStore('form-customer', () => {
         currentFormData.value.customerBranch?.at(0)?.agentUserId || undefined,
       status: 'CREATED',
 
-      customerName:
-        currentFormData.value.customerBranch?.at(0)?.customerName || '',
       registerName:
         currentFormData.value.customerBranch?.at(0)?.registerName || '',
       registerNameEN:
@@ -571,7 +568,6 @@ export const useCustomerBranchForm = defineStore('form-customer-branch', () => {
     agentUserId: undefined,
     status: 'CREATED',
 
-    customerName: '',
     registerName: '',
     registerNameEN: '',
     registerDate: undefined,
@@ -657,7 +653,6 @@ export const useCustomerBranchForm = defineStore('form-customer-branch', () => {
       officeTel: _data.officeTel,
       agentUserId: _data.agentUserId || undefined,
       codeCustomer: _data.codeCustomer,
-      customerName: _data.customerName,
       homeCode: _data.homeCode,
       authorizedName: _data.authorizedName,
       authorizedNameEN: _data.authorizedNameEN,
diff --git a/src/pages/10_invoice/constants.ts b/src/pages/10_invoice/constants.ts
index e21573f6..f7d350d7 100644
--- a/src/pages/10_invoice/constants.ts
+++ b/src/pages/10_invoice/constants.ts
@@ -29,7 +29,7 @@ export const columns = [
     name: 'customer',
     align: 'center',
     label: 'general.customer',
-    field: (v: Invoice) => v.quotation.customerBranch.customerName,
+    field: (v: Invoice) => v.quotation.customerBranch.registerName,
   },
 
   {
diff --git a/src/pages/11_credit-note/MainPage.vue b/src/pages/11_credit-note/MainPage.vue
index a5a7c48e..cbaeb520 100644
--- a/src/pages/11_credit-note/MainPage.vue
+++ b/src/pages/11_credit-note/MainPage.vue
@@ -406,7 +406,7 @@ watch(
                       value:
                         item.row.quotation.customerBranch.customer
                           .customerType === 'CORP'
-                          ? item.row.quotation.customerBranch.customerName
+                          ? item.row.quotation.customerBranch.registerName
                           : $i18n.locale === 'tha'
                             ? `${item.row.quotation.customerBranch.firstName} ${item.row.quotation.customerBranch.lastName}`
                             : `${item.row.quotation.customerBranch.firstNameEN} ${item.row.quotation.customerBranch.lastNameEN}`,
diff --git a/src/pages/12_debit-note/MainPage.vue b/src/pages/12_debit-note/MainPage.vue
index 8820a891..a1199e91 100644
--- a/src/pages/12_debit-note/MainPage.vue
+++ b/src/pages/12_debit-note/MainPage.vue
@@ -425,7 +425,7 @@ watch(
                       label: $t('quotation.customer'),
                       value:
                         item.row.customerBranch.customer.customerType === 'CORP'
-                          ? item.row.customerBranch.customerName
+                          ? item.row.customerBranch.registerName
                           : $i18n.locale === 'tha'
                             ? `${item.row.customerBranch.firstName} ${item.row.customerBranch.lastName}`
                             : `${item.row.customerBranch.firstNameEN} ${item.row.customerBranch.lastNameEN}`,
diff --git a/src/stores/customer/types.ts b/src/stores/customer/types.ts
index 52be5c6e..5da29902 100644
--- a/src/stores/customer/types.ts
+++ b/src/stores/customer/types.ts
@@ -72,7 +72,6 @@ export type CustomerBranch = {
   namePrefix: string;
   telephoneNo: string;
   codeCustomer: string;
-  customerName: string;
   updatedByUserId: string;
   createdByUserId: string;
   code: string;
@@ -135,7 +134,6 @@ export type CustomerBranchCreate = {
   officeTel?: string;
   agentUserId?: string;
   status: Status;
-  customerName?: string;
   registerName?: string;
   registerNameEN?: string;
   registerDate?: string | Date | null;