diff --git a/src/layouts/BasicLayout.js b/src/layouts/BasicLayout.js
index a0ca22864cdbd878e8582330e82ebb249995ecf8..fbb35bd9092f23d8c0cfb9fa604263398ae50fe6 100644
--- a/src/layouts/BasicLayout.js
+++ b/src/layouts/BasicLayout.js
@@ -134,7 +134,7 @@ export default class BasicLayout extends React.PureComponent {
     let title = 'Ant Design Pro';
     let currRouterData = null;
     // match params path
-    for (const key in Object.keys(routerData)) {
+    for (const key in routerData) {
       if (pathToRegexp(key).test(pathname)) {
         currRouterData = routerData[key];
         break;