diff --git a/index.html b/index.html
index 6e8fde6..30555f4 100644
--- a/index.html
+++ b/index.html
@@ -5,27 +5,20 @@
     <meta charset="UTF-8">
     <title>Document</title>
     <script>
-if (navigator.appName == "Netscape"){
+    if (navigator.appName == "Netscape") {
         var language = navigator.language;
-    }
-
-
-    else{
+    } else {
         var language = navigator.browserLanguage;
 
     }
 
-    if (language.indexOf(“en”) > -1) {
+    if (language.indexOf("en") > -1) {
         document.location.href = "en/index.html";
-    }
-
-    else if (language.indexOf(“zh”) > -1){
+    } else if (language.indexOf("zh") > -1) {
         document.location.href = "cn/index.html";
-    } 
-
-    else{
+    } else {
         document.location.href = "en/index.html";
-        
+
     }
     </script>
 </head>