diff --git a/frontend/package.json b/frontend/package.json
index afc78ce..f2bd946 100755
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -4,6 +4,7 @@
     "bootstrap": "^4.4.1",
     "crypto-js": "^3.1.9-1",
     "filesize": "^6.0.1",
+    "history": "^4.10.1",
     "jquery": "^3.4.1",
     "js-uuid": "0.0.6",
     "linkstate": "^1.1.1",
diff --git a/frontend/src/html/index.html b/frontend/src/html/index.html
index e22169d..44421f6 100755
--- a/frontend/src/html/index.html
+++ b/frontend/src/html/index.html
@@ -4,6 +4,9 @@
     <link rel="stylesheet" type="text/css" href="/css/bootstrap.min.css" />
     <link rel="stylesheet" type="text/css" href="/css/all.min.css" />
     <link rel="stylesheet" type="text/css" href="/css/index.css" />
+    <script language="javascript">
+      window.process = { 'env': { 'NODE_ENV': 'production' } };
+    </script>
     <script language="javascript" src="/js/jquery.min.js"></script>
     <script language="javascript" src="/js/bootstrap.min.js"></script>
     <script language="javascript" src="/js/fontawesome.min.js"></script>
diff --git a/frontend/src/js/dialog/wb-browse-dialog.js b/frontend/src/js/dialog/wb-browse-dialog.js
index 37c52bd..bddecec 100644
--- a/frontend/src/js/dialog/wb-browse-dialog.js
+++ b/frontend/src/js/dialog/wb-browse-dialog.js
@@ -2,11 +2,14 @@ import { h, Component } from 'preact';
 import WBBrowseDialogProjectList from 'wb-browse-dialog-project-list';
 import WBBrowseDialogCollectionList from 'wb-browse-dialog-project-list';
 import linkState from 'linkstate';
+import { Router } from 'preact-router';
+import { createHashHistory } from 'history';
 
 class WBBrowseDialog extends Component {
   constructor(...args) {
     super(...args);
     this.state.history = [];
+    this.state.history_1 = createHashHistory();
   }
 
   resetSearch() {
@@ -17,7 +20,7 @@ class WBBrowseDialog extends Component {
   }
 
   pushHistory(child) {
-    const { history } = this.state;
+    const { history, textSearch } = this.state;
     history.push([ child, { textSearch } ]);
     this.state.history = history.slice(history.length - 1000);
   }
@@ -30,7 +33,7 @@ class WBBrowseDialog extends Component {
     entry[0].popHistory();
   }
 
-  render({ app, id }, { mode, textSearch, textSearchInput }) {
+  render({ app, id }, { mode, textSearch, textSearchInput, history, history_1 }) {
     return (
       <div class="modal" id={ id } tabindex="-1" role="dialog">
         <div class="modal-dialog modal-lg" role="document">
@@ -43,6 +46,15 @@ class WBBrowseDialog extends Component {
             </div>
 
             <div class="modal-body">
+              <Router history={ history_1 }>
+                <div path="/a">
+                  A
+                </div>
+                <div path="/b">
+                  B
+                </div>
+              </Router>
+
               <div>
                 <h5>Go to: <a href="#">Home</a>, <a href="#">All Projects</a>,
                   <a href="#">All Users</a>, <a href="#">Shared with Me</a></h5>