diff --git a/english/book.toml b/english/book.toml
index 1c1d787..cc249d4 100644
--- a/english/book.toml
+++ b/english/book.toml
@@ -4,5 +4,5 @@ author = "Steve Klabnik and Carol Nichols, with Contributions from the Rust Comm
 
 [output.html]
 additional-css = ["ferris.css", "theme/2018-edition.css"]
-additional-js = ["ferris.js", "language.js"]
+additional-js = ["ferris.js"]
 git-repository-url = "https://github.com/rust-lang/book"
diff --git a/english/language.js b/english/language.js
deleted file mode 100644
index 9fa197d..0000000
--- a/english/language.js
+++ /dev/null
@@ -1,74 +0,0 @@
-(function () {
-  var url = window.location.href;
-  var host = window.location.host;
-  var home_url = window.location.protocol + '//' + window.location.host;
-
-  var search = {
-    en: "/en/",
-    zh_CN: "/zh-CN/"
-  }
-
-  var replaceWith = {
-    en: "/zh-CN/",
-    zh_CN: "/en/"
-  }
-
-  console.log("hheheeh");
-
-  var link = "";
-  var word = "";
-  var home = "Home";
-
-  var edit_url = "https://github.com/rust-lang-cn"
-  var github_id = document.getElementById("git-repository-button");
-  if (github_id != null && github_id.parentNode.href != undefined) {
-    edit_url = github_id.parentNode.href;
-    var repo_name = edit_url.split('/').pop();
-    var url_repo_name = repo_name.slice(0, -3);
-
-    if (url.indexOf(url_repo_name) > -1) {
-      var html_file = url.split(url_repo_name).pop();
-    } else if (url.indexOf(":3000") > -1) {
-      var html_file = url.split(":3000").pop();
-    } else {
-      var html_file = '/';
-    }
-    
-    
-    if (html_file == '/') {
-      edit_url += '/tree/master/src'
-    } else {
-      var md_len = html_file.indexOf('.html');
-      if (md_len > -1) {
-        var md_file = html_file.substring(0, md_len) + '.md';
-        edit_url += '/blob/master/src' + md_file;
-      }
-    }
-  }
-
-  var edit_node = '<a href="' + edit_url + '" title="报告错误或改进本页翻译" aria-label="报告错误或改进本页翻译" target="_blank"><i id="go-back-homepage" class="fa fa-pencil-square-o"></i></a>';
-
-  if (url.indexOf(search.en) != -1 && url.indexOf(search.en) === (url.indexOf(host) + host.length)) {
-    link = url.replace(search.en, replaceWith.en);
-    word = "简体中文";
-    edit_node = "";
-  } else if (url.indexOf(search.zh_CN) != -1 && url.indexOf(search.zh_CN) === (url.indexOf(host) + host.length)) {
-    link = url.replace(search.zh_CN, replaceWith.zh_CN);
-    word = "English";
-	  home = "首页";
-  }
-
-  var home_node = '';
-  if (window.location.protocol == 'http:' || window.location.protocol == 'https:') {
-    home_node = '<a href="' + home_url + '" title="' + home + '" aria-label="' + home + '"><i id="go-back-homepage" class="fa fa-home"></i></a>';
-  }
-  var lang_node = '';
-  if (link != '') {
-    lang_node = '<a href="' + link + '"><i id="change-language" class="fa fa-language"> ' + word + '</i></a>';
-  }
-  var insertNode = document.getElementsByClassName('right-buttons');
-  if (insertNode.length > 0) {
-    var html = insertNode[0].innerHTML;
-    insertNode[0].innerHTML = home_node + html + edit_node + lang_node;
-  }
-})()  
diff --git a/language.js b/language.js
index 9fa197d..694372d 100644
--- a/language.js
+++ b/language.js
@@ -13,8 +13,6 @@
     zh_CN: "/en/"
   }
 
-  console.log("hheheeh");
-
   var link = "";
   var word = "";
   var home = "Home";
@@ -34,9 +32,10 @@
       var html_file = '/';
     }
     
-    
-    if (html_file == '/') {
-      edit_url += '/tree/master/src'
+    if (typeof default_homepage_md !== 'undefined') {
+      edit_url += '/blob/master/src/' + default_homepage_md;
+    } else if (html_file == '/') {
+        edit_url += '/tree/master/src';
     } else {
       var md_len = html_file.indexOf('.html');
       if (md_len > -1) {
diff --git a/src/title-page.md b/src/title-page.md
index 205515f..074bb3f 100644
--- a/src/title-page.md
+++ b/src/title-page.md
@@ -35,3 +35,7 @@ HTML 格式可从 [https://rustwiki.org/zh-CN/book/](https://rustwiki.org/zh-CN/
 [install]: ch01-01-installation.html
 [editions]: appendix-05-editions.html
 [nsprust]: https://nostarch.com/rust
+
+<script>
+  var default_homepage_md = "title-page.md";
+</script>