diff --git a/apps/web-antd/src/api/license/customer/index.ts b/apps/web-antd/src/api/license/customer/index.ts
index de125ba..be403c7 100644
--- a/apps/web-antd/src/api/license/customer/index.ts
+++ b/apps/web-antd/src/api/license/customer/index.ts
@@ -63,9 +63,19 @@ async function isCustomerNameUnique(
   });
 }
 
+/** 客户编号是否唯一 */
+async function isCustomerCodeUnique(
+  code: number,
+  id?: CustomerApi.Customer['id'],
+) {
+  return requestClient.get<boolean>('/license/customer/code-unique', {
+    params: { id, code },
+  });
+}
+
 /** 查询当前最大sn */
 async function getMaxSn() {
   return requestClient.get<boolean>('/license/customer/max-sn');
 }
 
-export { getMaxSn, isCustomerNameUnique };
+export { getMaxSn, isCustomerCodeUnique, isCustomerNameUnique };
diff --git a/apps/web-antd/src/views/license/customer/data.ts b/apps/web-antd/src/views/license/customer/data.ts
index 33145d1..d935623 100644
--- a/apps/web-antd/src/views/license/customer/data.ts
+++ b/apps/web-antd/src/views/license/customer/data.ts
@@ -7,7 +7,10 @@ import { ref } from 'vue';
 import { useAccess } from '@vben/access';
 
 import { z } from '#/adapter/form';
-import { isCustomerNameUnique } from '#/api/license/customer';
+import {
+  isCustomerCodeUnique,
+  isCustomerNameUnique,
+} from '#/api/license/customer';
 import { getAreaTree } from '#/api/system/area';
 import { $t } from '#/locales';
 import { DICT_TYPE, getDictOptions, getRangePickerDefaultProps } from '#/utils';
@@ -52,8 +55,35 @@ export function useFormSchema(): VbenFormSchema[] {
     {
       fieldName: 'code',
       label: $t('customer.customerSn'),
-      rules: 'required',
-      component: 'Input',
+      component: 'InputNumber',
+      rules: z
+        .number()
+        .min(
+          2000,
+          $t('ui.formRules.range', [$t('customer.customerSn'), 2000, 9999]),
+        )
+        .max(
+          9999,
+          $t('ui.formRules.range', [$t('customer.customerSn'), 2000, 9999]),
+        )
+        .refine(
+          async (value: number) => {
+            return await isCustomerCodeUnique(value, formData.value?.id);
+          },
+          (value) => ({
+            message: $t('ui.formRules.alreadyExists', [
+              $t('customer.customerSn'),
+              value,
+            ]),
+          }),
+        )
+        .nullable()
+        .refine(
+          (value: null | number) => {
+            return value;
+          },
+          { message: $t('ui.formRules.required', [$t('customer.customerSn')]) },
+        ),
     },
     {
       fieldName: 'type',