diff --git a/apps/web-antd/src/views/system/admin/components/modal.vue b/apps/web-antd/src/views/system/admin/components/modal.vue
index de333f35..ed4aa362 100644
--- a/apps/web-antd/src/views/system/admin/components/modal.vue
+++ b/apps/web-antd/src/views/system/admin/components/modal.vue
@@ -48,7 +48,16 @@ const [Modal, modalApi] = useVbenModal({
       if (values) {
         isUpdate.value = update;
         values.address = [values.province_id, values.city_id];
+        // 新建时设置默认头像，编辑时不替换
+        if (!update && !values.avatar) {
+          values.avatar = 'https://xiaokang88.oss-cn-hangzhou.aliyuncs.com/xk_upload_20251022/20251022104156946505ca86d97626c08882f31797dbcef49c.png';
+        }
         formApi.setValues(values);
+      } else {
+        // 新建时没有values，设置默认头像
+        formApi.setValues({
+          avatar: 'https://xiaokang88.oss-cn-hangzhou.aliyuncs.com/xk_upload_20251022/20251022104156946505ca86d97626c08882f31797dbcef49c.png',
+        });
       }
     }
   },
diff --git a/apps/web-antd/src/views/system/admin/config/form.ts b/apps/web-antd/src/views/system/admin/config/form.ts
index 7a03112a..61d0ce51 100644
--- a/apps/web-antd/src/views/system/admin/config/form.ts
+++ b/apps/web-antd/src/views/system/admin/config/form.ts
@@ -49,6 +49,7 @@ export const modalFormProps: VbenFormProps = {
       label: '头像',
       rules: 'required',
       formItemClass: 'col-span-6',
+      defaultValue: 'https://xiaokang88.oss-cn-hangzhou.aliyuncs.com/xk_upload_20251022/20251022104156946505ca86d97626c08882f31797dbcef49c.png',
     },
     {
       component: 'VbenInput',