diff --git a/src/components/form/AddressForm.vue b/src/components/form/AddressForm.vue
index ad70e9d2..735b9415 100644
--- a/src/components/form/AddressForm.vue
+++ b/src/components/form/AddressForm.vue
@@ -103,6 +103,14 @@ async function fetchSubDistrict() {
   );
 }
 
+async function selectSubDistrict(id: string) {
+  if (!id) return;
+  zipCode.value =
+    addrOptions.subDistrictOps
+      ?.filter((x) => x.id === id)
+      .map((x) => x.zipCode)[0] ?? '';
+}
+
 const provinceOptions = ref<Record<string, unknown>[]>([]);
 let provinceFilter: (
   value: string,
@@ -355,6 +363,7 @@ watch(districtId, fetchSubDistrict);
                     $t('formDialogInputSubDistrictValidate'),
                 ]
           "
+          @update:model-value="(v: string) => selectSubDistrict(v)"
           @filter="subDistrictFilter"
         >
           <template v-slot:no-option>