diff --git a/web/src/index/component/sidebar.js b/web/src/index/component/sidebar.js
index 72342e5..f92d6e3 100755
--- a/web/src/index/component/sidebar.js
+++ b/web/src/index/component/sidebar.js
@@ -151,10 +151,10 @@ export default class Sidebar extends Component {
                     let nextDataName = null;
                     let nextUrl = '';
                     if (index < list.length - 1){
-                          nextDataName = list[index + 1].name;
+                        nextDataName = list[index + 1].name;
                     }
                     if (nextDataName) {
-                          nextUrl = '/home/' + nextDataName;
+                        nextUrl = '/home/' + nextDataName;
                     }
                     else {
                         if (firstDataName) {