页面切换时滚动条没有返回到顶部

src/App.js

@@ -89,7 +89,7 @@ class App extends Component {
 			mygetHelmetapi: null,
 		}
 	}
-
+	
 	HideAddcoursestypess = (i) => {
 		this.setState({
 			Addcoursestype: false,
@@ -108,7 +108,6 @@ class App extends Component {
 		document.title = "loading...";
 		initAxiosInterceptors(this.props);
 		this.getAppdata();
-
 		window.addEventListener('error', (event) => {
 			const msg = `${event.type}: ${event.message}`;
 		});

src/forge/Index.js

@@ -27,6 +27,14 @@ const ProjectDetail = Loadable({
 });
 
 class Index extends Component {
+  componentDidUpdate=(preProps)=>{
+    this.props.history.listen(()=>{
+      if (document.body.scrollTop || document.documentElement.scrollTop > 0) {
+        window.scrollTo(0, 0);
+      }
+    })
+  }
+  
   render() {
     return (
       <div className="newMain clearfix">