diff --git a/static/css/base.css b/static/css/base.css
index dd575c5..398ab7d 100644
--- a/static/css/base.css
+++ b/static/css/base.css
@@ -309,6 +309,10 @@ ul {
     line-height: 18px;
 }
 
+.footer .cursor {
+    cursor: pointer;
+}
+
 .notification-count {
     float: right;
     display: none;
diff --git a/static/js/editors.js b/static/js/editors.js
index 12591b2..b9f2f76 100644
--- a/static/js/editors.js
+++ b/static/js/editors.js
@@ -279,7 +279,7 @@ var editors = {
         editor.on('cursorActivity', function (cm) {
             var cursor = cm.getCursor();
 
-            $("#footer-cursor").text('|   ' + (cursor.line + 1) + ':' + (cursor.ch + 1) + '   |');
+            $(".footer .cursor").text('|   ' + (cursor.line + 1) + ':' + (cursor.ch + 1) + '   |');
             // TODO: 关闭 tab 的时候要重置
         });
 
diff --git a/static/js/wide.js b/static/js/wide.js
index 43d96db..eab121f 100644
--- a/static/js/wide.js
+++ b/static/js/wide.js
@@ -199,7 +199,7 @@ var wide = {
             },
             "ok": function () {
                 var line = parseInt($("#dialogGoLinePrompt > input").val());
-                if ($.trim(line) === "") {
+                if ($.trim($("#dialogGoLinePrompt > input").val()) === "") {
                     $("#dialogGoLinePrompt > .tip").text(config.label.input_no_empty);
                     return false;
                 }
@@ -376,7 +376,14 @@ var wide = {
             }
         });
     },
+    _initFooter: function () {
+        $(".footer .cursor").dblclick(function () {
+            $("#dialogGoLinePrompt").dialog("open");
+        });
+    },
     init: function () {
+        this._initFooter();
+        
         this._initFullscreen();
 
         this._initWS();
diff --git a/view/index.html b/view/index.html
index 8184fd5..070ff1c 100644
--- a/view/index.html
+++ b/view/index.html
@@ -167,7 +167,7 @@
         <div class="footer fn-clear">
             <span title="{{.i18n.max_side}}" class="font-ico ico-max fn-none"></span>
             <span title="{{.i18n.max_bottom}}" class="font-ico ico-max fn-none"></span>
-            <span id="footer-cursor" style="float: right;"></span>
+            <span class="cursor fn-right"></span>
             <span class="notification-count" title="{{.i18n.unread_notification}}">{{.i18n.notification}}!</span>
         </div>