diff --git a/src/utils/request.ts b/src/utils/request.ts
index 42062532..3b7a5698 100644
--- a/src/utils/request.ts
+++ b/src/utils/request.ts
@@ -2,7 +2,7 @@
 import { extend } from 'umi-request';
 import { notification } from 'antd';
 
-const codeMessage = {
+const codeMessage: { [status: number]: string } = {
   200: '服务器成功返回请求的数据。',
   201: '新建或修改数据成功。',
   202: '一个请求已经进入后台排队（异步任务）。',