diff --git a/src/components/shared/select/SelectBusinessType.vue b/src/components/shared/select/SelectBusinessType.vue
index 211ed07e..12b6172e 100644
--- a/src/components/shared/select/SelectBusinessType.vue
+++ b/src/components/shared/select/SelectBusinessType.vue
@@ -158,6 +158,39 @@ function setDefaultValue() {
       <q-separator class="q-mx-sm" />
     </template>
 
+    <template #before-options v-if="creatable">
+      <q-item
+        :disable="creatableDisabled"
+        clickable
+        v-close-popup
+        @click.stop="$emit('create')"
+        for="select-business-type-add-new"
+        id="select-business-type-add-new"
+      >
+        <q-item-section>
+          <span class="row items-center">
+            <q-icon
+              name="mdi-plus-circle-outline"
+              class="q-mr-sm"
+              style="color: hsl(var(--positive-bg))"
+            />
+            <b>
+              {{ $t('general.add', { text: $t('menu.manage.businessType') }) }}
+            </b>
+            <span
+              v-if="creatableDisabled && creatableDisabledText"
+              class="app-text-muted q-pl-xs"
+              style="font-size: 80%"
+            >
+              {{ creatableDisabledText }}
+            </span>
+          </span>
+        </q-item-section>
+      </q-item>
+
+      <q-separator class="q-mx-sm" />
+    </template>
+
     <template #option="{ opt, scope }">
       <q-item v-bind="scope.itemProps">
         <span class="row items-center">
diff --git a/src/components/shared/select/SelectCustomer.vue b/src/components/shared/select/SelectCustomer.vue
index 73fafd79..2e62eba8 100644
--- a/src/components/shared/select/SelectCustomer.vue
+++ b/src/components/shared/select/SelectCustomer.vue
@@ -30,6 +30,7 @@ defineEmits<{
 type ExclusiveProps = {
   simple?: boolean;
   simpleBranchNo?: boolean;
+  selectFirstValue?: boolean;
 };
 
 const props = defineProps<SelectProps<typeof getList> & ExclusiveProps>();
@@ -64,10 +65,14 @@ onMounted(async () => {
     setFirstValue();
   }
 
-  await getSelectedOption();
-
-  valueOption.value = selectOptions.value.find((v) => v.id === value.value);
+  if (props.selectFirstValue) {
+    setDefaultValue();
+  } else await getSelectedOption();
 });
+
+function setDefaultValue() {
+  setFirstValue();
+}
 </script>
 <template>
   <SelectInput
@@ -160,11 +165,9 @@ onMounted(async () => {
     </template>
 
     <template #option="{ opt, scope }">
-      <q-item @click="valueOption = opt" v-bind="scope.itemProps">
+      <q-item v-bind="scope.itemProps" class="q-mx-sm bodrder">
         <SelectCustomerItem :data="opt" :simple :simple-branch-no />
       </q-item>
-
-      <q-separator class="q-mx-sm" />
     </template>
 
     <template #append v-if="clearable">
@@ -177,3 +180,11 @@ onMounted(async () => {
     </template>
   </SelectInput>
 </template>
+
+<style scoped>
+.bodrder {
+  border-bottom: solid;
+  border-bottom-width: 1px;
+  border-color: var(--border-color);
+}
+</style>
diff --git a/src/pages/03_customer-management/MainPage.vue b/src/pages/03_customer-management/MainPage.vue
index e02a381e..539a4a01 100644
--- a/src/pages/03_customer-management/MainPage.vue
+++ b/src/pages/03_customer-management/MainPage.vue
@@ -2263,7 +2263,7 @@ const emptyCreateDialog = ref(false);
               customerFormData.customerBranch[0].legalPersonNo
             "
             v-model:business-type="
-              customerFormData.customerBranch[0].businessType
+              customerFormData.customerBranch[0].businessTypeId
             "
             v-model:job-position="
               customerFormData.customerBranch[0].jobPosition
diff --git a/src/pages/03_customer-management/components/employer/EmployerFormBusiness.vue b/src/pages/03_customer-management/components/employer/EmployerFormBusiness.vue
index 0717d54f..26b0d659 100644
--- a/src/pages/03_customer-management/components/employer/EmployerFormBusiness.vue
+++ b/src/pages/03_customer-management/components/employer/EmployerFormBusiness.vue
@@ -10,10 +10,25 @@ import { useI18n } from 'vue-i18n';
 import ThaiBahtText from 'thai-baht-text';
 import SelectBusinessType from 'src/components/shared/select/SelectBusinessType.vue';
 
+import BusinessTypeDialog from 'src/pages/16_business-type-management/BusinessTypeDialog.vue';
+
+import useBusinessTypeStore from 'src/stores/business-type';
+
 const { locale } = useI18n({ useScope: 'global' });
 
 const rawOption = ref();
 
+const businessTypeDialog = ref<boolean>(false);
+const formDataBusinessType = ref<{
+  name: string;
+  nameEN: string;
+}>({
+  name: '',
+  nameEN: '',
+});
+
+const useBusinessType = useBusinessTypeStore();
+
 const businessTypeId = defineModel<string>('businessTypeId');
 const jobPosition = defineModel<string>('jobPosition');
 const jobDescription = defineModel<string>('jobDescription');
@@ -29,6 +44,8 @@ const typeBusinessENOption = ref([]);
 const jobPositionOption = ref([]);
 const jobPositionENOption = ref([]);
 
+const keySelect = ref<number>(0);
+
 defineProps<{
   title?: string;
   dense?: boolean;
@@ -38,6 +55,20 @@ defineProps<{
   showTitle?: boolean;
 }>();
 
+function resetFormBusinessType() {
+  businessTypeDialog.value = false;
+  formDataBusinessType.value = { name: '', nameEN: '' };
+}
+
+async function submitBusinessType() {
+  const res = await useBusinessType.create(formDataBusinessType.value);
+  if (res) {
+    businessTypeId.value = res.id;
+    resetFormBusinessType();
+    keySelect.value++;
+  }
+}
+
 onMounted(async () => {
   const resultOption = await fetch('/option/option.json');
   rawOption.value = await resultOption.json();
@@ -121,16 +152,24 @@ let jobPositionENFilter = selectFilterOptionRefMod(
     </div>
 
     <SelectBusinessType
+      :key="keySelect"
       class="col-md-6 col-12"
       v-model:value="businessTypeId"
       :readonly
+      creatable
       lang="tha"
+      :rules="[(val: string) => !!val || $t('form.error.required')]"
+      @create="() => (businessTypeDialog = true)"
     />
     <SelectBusinessType
+      :key="keySelect"
       class="col-md-6 col-12"
       v-model:value="businessTypeId"
-      lang="eng"
       :readonly
+      creatable
+      lang="eng"
+      :rules="[(val: string) => !!val || $t('form.error.required')]"
+      @create="() => (businessTypeDialog = true)"
     />
 
     <q-select
@@ -282,4 +321,12 @@ let jobPositionENFilter = selectFilterOptionRefMod(
       "
     />
   </div>
+
+  <BusinessTypeDialog
+    ref="refBusinessTypeDialog"
+    @close="resetFormBusinessType()"
+    @submit="submitBusinessType()"
+    v-model="businessTypeDialog"
+    v-model:data="formDataBusinessType"
+  />
 </template>
diff --git a/src/pages/03_customer-management/form.ts b/src/pages/03_customer-management/form.ts
index 3abefdaa..fe875a3c 100644
--- a/src/pages/03_customer-management/form.ts
+++ b/src/pages/03_customer-management/form.ts
@@ -30,6 +30,8 @@ export const useCustomerForm = defineStore('form-customer', () => {
 
   const registerAbleBranchOption = ref<{ id: string; name: string }[]>();
 
+  const currentBranchRootId = ref<string>('');
+
   const tabFieldRequired = ref<{
     [key: string]: (keyof CustomerBranchCreate)[];
   }>({
@@ -160,6 +162,7 @@ export const useCustomerForm = defineStore('form-customer', () => {
     state.value.editCustomerCode = data.code;
     state.value.customerImageUrl = `${baseUrl}/customer/${id}/image/${data.selectedImage}`;
     state.value.defaultCustomerImageUrl = `${baseUrl}/customer/${id}/image/${data.selectedImage}`;
+    currentBranchRootId.value = data.branch[0].id || '';
 
     resetFormData.registeredBranchId = data.registeredBranchId;
     resetFormData.status = data.status;
@@ -500,6 +503,8 @@ export const useCustomerForm = defineStore('form-customer', () => {
     state,
     resetFormData,
     currentFormData,
+    currentBranchRootId,
+
     isFormDataDifferent,
     resetForm,
     assignFormData,
@@ -1663,6 +1668,7 @@ export const useEmployeeForm = defineStore('form-employee', () => {
     state,
     currentFromDataEmployee,
     resetEmployeeData,
+
     addPassport,
     addVisa,
     addCheckup,
diff --git a/src/pages/05_quotation/MainPage.vue b/src/pages/05_quotation/MainPage.vue
index b9b57354..3551a047 100644
--- a/src/pages/05_quotation/MainPage.vue
+++ b/src/pages/05_quotation/MainPage.vue
@@ -60,7 +60,6 @@ const flowStore = useFlowStore();
 const userBranch = useMyBranch();
 const navigatorStore = useNavigator();
 const customerStore = useCustomerStore();
-
 const {
   fetchListOfOptionBranch,
   customerFormUndo,
@@ -76,6 +75,7 @@ const {
 const {
   state: customerFormState,
   currentFormData: customerFormData,
+  currentBranchRootId,
   registerAbleBranchOption,
   tabFieldRequired,
 } = storeToRefs(customerFormStore);
@@ -89,6 +89,8 @@ const fieldSelectedOption = computed(() => {
       value: v.name,
     }));
 });
+
+const keyAddDialog = ref<number>(0);
 const special = ref(false);
 const branchId = ref('');
 const agentPrice = ref<boolean>(false);
@@ -865,6 +867,7 @@ async function filterBySellerId() {
   <!-- NOTE: START - Quotation Form, Add Quotation -->
 
   <DialogForm
+    :key="keyAddDialog"
     :title="$t('general.add', { text: $t('quotation.title') })"
     v-model:modal="pageState.addModal"
     :submit-label="$t('general.add', { text: $t('quotation.title') })"
@@ -880,7 +883,7 @@ async function filterBySellerId() {
     :close="
       () => {
         branchId = '';
-        quotationFormData.customerBranchId = '';
+        currentBranchRootId = '';
       }
     "
     :beforeClose="
@@ -930,7 +933,7 @@ async function filterBySellerId() {
           v-model:agent-price="agentPrice"
           v-model:branch-id="branchId"
           v-model:special="special"
-          v-model:customer-branch-id="quotationFormData.customerBranchId"
+          v-model:customer-branch-id="currentBranchRootId"
           @add-customer="triggerSelectTypeCustomerd()"
         />
       </div>
@@ -999,6 +1002,7 @@ async function filterBySellerId() {
       () => {
         customerFormState.dialogModal = false;
         onCreateImageList = { selectedImage: '', list: [] };
+        keyAddDialog++;
       }
     "
   >
@@ -1190,7 +1194,7 @@ async function filterBySellerId() {
               customerFormData.customerBranch[0].legalPersonNo
             "
             v-model:business-type="
-              customerFormData.customerBranch[0].businessType
+              customerFormData.customerBranch[0].businessTypeId
             "
             v-model:job-position="
               customerFormData.customerBranch[0].jobPosition
@@ -1271,7 +1275,6 @@ async function filterBySellerId() {
                         res = await customerStore.createBranch({
                           ...customerFormData.customerBranch[idx],
                           customerId: customerFormState.editCustomerId || '',
-                          id: undefined,
                         });
                       }
                       if (res) {