diff --git a/src/hooks/common/form.ts b/src/hooks/common/form.ts
index dbb5f72..d08978c 100644
--- a/src/hooks/common/form.ts
+++ b/src/hooks/common/form.ts
@@ -1,7 +1,7 @@
 import { ref, toValue } from 'vue';
 import type { ComputedRef, Ref } from 'vue';
 import type { FormInstance } from 'ant-design-vue';
-import { REG_CODE_SIX, REG_EMAIL, REG_PHONE, REG_PWD, REG_USER_NAME } from '@/constants/reg';
+import {REG_CODE_FOUR,  REG_EMAIL, REG_PHONE, REG_PWD, REG_USER_NAME} from '@/constants/reg';
 import { $t } from '@/locales';
 
 export function useFormRules() {
@@ -22,7 +22,7 @@ export function useFormRules() {
       trigger: 'change'
     },
     code: {
-      pattern: REG_CODE_SIX,
+      pattern: REG_CODE_FOUR,
       message: $t('form.code.invalid'),
       trigger: 'change'
     },