diff --git a/views/index.html b/views/index.html
index bc715db..c08299d 100644
--- a/views/index.html
+++ b/views/index.html
@@ -4,9 +4,9 @@
         <meta charset="UTF-8">
         <title>{{.i18n.wide}} - {{.i18n.wide_title}}</title>
         <meta name="keywords" content="Wide, Golang, IDE, Team, Cloud, B3log"/>
-        <meta name="description" content="A Web-based IDE for Teams using Golang, do your development anytime, anywrhere."/>
+        <meta name="description" content="A Web-based Go IDE , do your development anytime, anywrhere."/>
         <meta name="author" content="B3log">
-        <meta property="og:description" content="A Web-based IDE for Teams using Golang, do your development anytime, anywhere."/>
+        <meta property="og:description" content="A Web-based Go IDE, do your development anytime, anywhere."/>
         {{if eq $.conf.RuntimeMode "dev"}}
         <link rel="stylesheet" href="/static/js/lib/jquery-layout/layout-default-latest.css">
         <link rel="stylesheet" href="/static/js/lib/codemirror-{{.codeMirrorVer}}/codemirror.css">
diff --git a/views/keyboard_shortcuts.html b/views/keyboard_shortcuts.html
index 954dc77..3f398ab 100644
--- a/views/keyboard_shortcuts.html
+++ b/views/keyboard_shortcuts.html
@@ -5,7 +5,7 @@
         <title>{{.i18n.wide}} - {{.i18n.keyboard_shortcuts}}</title>
 
         <meta name="keywords" content="Wide, Golang, IDE, Team, Cloud, B3log, Keyboard Shortcuts"/>
-        <meta name="description" content="A Web-based IDE for Teams using Golang, do your development anytime, anywhere."/>
+        <meta name="description" content="A Web-based Go IDE , do your development anytime, anywrhere."/>
         <meta name="author" content="B3log">
 
         <link rel="icon" type="image/x-icon" href="/favicon.ico" />
diff --git a/views/login.html b/views/login.html
index 2c72dd7..a66bd5b 100644
--- a/views/login.html
+++ b/views/login.html
@@ -5,7 +5,7 @@
         <title>{{.i18n.wide}} - {{.i18n.wide_title}}</title>
 
         <meta name="keywords" content="Wide, Golang, IDE, Team, Cloud, B3log, Login"/>
-        <meta name="description" content="A Web-based IDE for Teams using Golang, do your development anytime, anywhere."/>
+        <meta name="description" content="A Web-based Go IDE , do your development anytime, anywrhere."/>
         <meta name="author" content="B3log">
 
         <link rel="stylesheet" href="{{.conf.StaticServer}}/static/css/base.css?{{.conf.StaticResourceVersion}}">
@@ -16,8 +16,7 @@
         <div class="header">
             <div class="wrapper fn-clear">
                 <a href="/login" rel="login">
-                    <img title="Wide, a Web-based IDE for Teams using Golang." src="{{.conf.StaticServer}}/static/images/wide-logo.png" 
-                         class="logo"/></a>
+                    <img title="A Web-based Go IDE" src="{{.conf.StaticServer}}/static/images/wide-logo.png" class="logo"/></a>
                 <ul class="fn-right">
                     <li><a href="/playground" target="_blank" style="color: #cd504a">Play</a></li>
                     <li><a rel="bookmark" href="https://github.com/b3log/wide" target="_blank">GitHub</a></li>
diff --git a/views/playground/index.html b/views/playground/index.html
index e1a02ff..c0aa273 100644
--- a/views/playground/index.html
+++ b/views/playground/index.html
@@ -5,7 +5,7 @@
         <title>{{.i18n.wide}} - {{.i18n.wide_title}}</title>
 
         <meta name="keywords" content="Wide, Golang, IDE, Team, Cloud, B3log, Playground"/>
-        <meta name="description" content="A Web-based IDE for Teams using Golang, do your development anytime, anywhere."/>
+        <meta name="description" content="A Web-based Go IDE , do your development anytime, anywrhere."/>
         <meta name="author" content="B3log">
 
         <link rel="stylesheet" href="/static/js/lib/codemirror-{{.codeMirrorVer}}/codemirror.css?{{.conf.StaticResourceVersion}}">
@@ -30,8 +30,7 @@
             <ul class="fn-left">
                 <li>
                     <a href="/" target="_blank">
-                        <img title="Wide, a Web-based IDE for Teams using Golang." src="{{.conf.Server}}/static/images/wide-logo.png"
-                             class="logo"/></a>
+                        <img title="A Web-based Go IDE" src="{{.conf.Server}}/static/images/wide-logo.png" class="logo"/></a>
                 </li>
                 <li>
                     <button class="btn" id="run" onclick="playground.run();">{{.i18n.run}}</button>
diff --git a/views/sign_up.html b/views/sign_up.html
deleted file mode 100644
index fb2a85e..0000000
--- a/views/sign_up.html
+++ /dev/null
@@ -1,172 +0,0 @@
-<!DOCTYPE html>
-<html>
-    <head>
-        <meta charset="UTF-8">
-        <title>{{.i18n.wide}} - {{.i18n.sign_up}}</title>
-
-        <meta name="keywords" content="Wide, Golang, IDE, Team, Cloud, B3log, Sign Up"/>
-        <meta name="description" content="A Web-based IDE for Teams using Golang, do your development anytime, anywhere."/>
-        <meta name="author" content="B3log">
-
-        <link rel="stylesheet" href="/static/css/base.css?{{.conf.StaticResourceVersion}}">
-        <link rel="stylesheet" href="/static/css/sign.css?{{.conf.StaticResourceVersion}}">
-        <link rel="icon" type="image/x-icon" href="/favicon.ico" />
-    </head>
-    <body>
-        <div class="header">
-            <div class="wrapper fn-clear">
-                <a href="/login" rel="login">
-                    <img title="Wide, a Web-based IDE for Teams using Golang." src="{{.conf.Server}}/static/images/wide-logo.png" 
-                         class="logo"/></a>
-                <ul class="fn-right">
-                    <li><a href="/playground" target="_blank" style="color: #cd504a">Play</a></li>
-                    <li><a rel="bookmark" href="https://github.com/b3log/wide" target="_blank">GitHub</a></li>
-                    <li><a rel="help" href="https://hacpai.com/article/1538873544275" target="_blank">{{.i18n.help}}</a></li>
-                    <li><a rel="bookmark" href="https://github.com/b3log/wide/issues/new" target="_blank">{{.i18n.issues}}</a></li>
-                    <li><button class="btn" onclick="window.location.href = '{{.conf.Context}}/login'">{{.i18n.login}}</button></li>
-                </ul>
-            </div>
-        </div>
-        <div class="content">
-            <div class="wrapper fn-clear">
-                <div class="fn-left">
-                    <h2>Join Wide</h2>
-                    <h3>Coding with Go on the Wide way.</h3>
-                </div>
-                <div class="form fn-right sign-up">
-                    <div id="msg" class="fn-none"></div>
-                    <div class="dir">
-                        Workspace： 
-                        <div id="dir" data-dir="{{.dir}}{{.pathSeparator}}">{{.dir}}{{.pathSeparator}}</div>
-                    </div>
-                    <input id="username" placeholder="Username"/><br/>
-                    <input id="email" placeholder="Email"/><br/>
-                    <input id="password" type="password" placeholder="Password"/><br/>
-                    <input id="confirmPassword" type="password" placeholder="Confirm your password"/>
-                    <button id="signUpBtn" class="btn">{{.i18n.sign_up}}</button>
-                </div>
-            </div>
-        </div>
-        <div class="footer">
-            <span class="wrapper">
-                Ver {{.ver}}, &copy; {{.year}} <a rel="copyright" href="https://b3log.org" target="_blank">B3LOG.ORG</a>, <a href="https://github.com/b3log/wide/blob/master/TERMS.md" target="_blank">{{.i18n.terms}}</a>
-            </span>
-            <div class="github-btns">
-                <iframe src="https://ghbtns.com/github-btn.html?user=b3log&repo=wide&type=star&count=true" frameborder="0" scrolling="0" width="100" height="20"></iframe>
-            </div>
-        </div>
-
-        <script type="text/javascript" src="{{.conf.Server}}/static/js/lib/jquery-2.1.1.min.js"></script>
-        <script>
-                        (function () {
-                            var contentH = $(window).height() - $(".footer").height() - $(".header").height() - 18;
-                            $(".content").outerHeight(contentH)
-                                    .css("padding-top", (contentH - $(".content .fn-left").height()) / 2 + "px");
-
-                            var signUp = function () {
-                                if ($.trim($("#username").val()) === ""
-                                        || !/^\w+$/.test($("#username").val())
-                                        || $.trim($("#username").val()).length > 16) {
-                                    $("#msg").text("{{.i18n.user_name_ruler}}").show();
-                                    $("#username").focus();
-                                    return false;
-                                } else if (!/^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?$/i.test($("#email").val())) {
-                                    $("#msg").text("{{.i18n.invalid_email}}").show();
-                                    $("#email").focus();
-                                    return false;
-                                } else if ($.trim($("#password").val()) === "") {
-                                    $("#msg").text("{{.i18n.sing_up_error}}").show();
-                                    $("#password").focus();
-                                    return false;
-                                } else if ($("#confirmPassword").val() !== $("#password").val()) {
-                                    $("#msg").text("{{.i18n.password_no_match}}").show();
-                                    $("#confirmPassword").focus();
-                                    return false;
-                                }
-
-                                var request = {
-                                    username: $("#username").val(),
-                                    password: $("#password").val(),
-                                    email: $("#email").val()
-                                };
-                                $.ajax({
-                                    type: 'POST',
-                                    url: '{{.conf.Context}}/signup',
-                                    data: JSON.stringify(request),
-                                    dataType: "json",
-                                    success: function (result) {
-                                        if (!result.succ) {
-                                            $("#msg").text(result.msg).show();
-                                            return;
-                                        }
-
-                                        window.location.href = "{{.conf.Context}}/";
-                                    }
-                                });
-                            };
-
-                            $("#username").keyup(function (event) {
-                                if (event.which === 13) {
-                                    if ($.trim($(this).val()) === ""
-                                            || !/^\w+$/.test($(this).val())
-                                            || $.trim($(this).val()).length > 16) {
-                                        $("#msg").text("{{.i18n.user_name_ruler}}").show();
-                                    } else {
-                                        $("#email").focus();
-                                        $("#msg").hide();
-                                    }
-                                } else {
-                                    if ($.trim($(this).val()) === ""
-                                            || !/^\w+$/.test($(this).val())
-                                            || $.trim($(this).val()).length > 16) {
-                                        $("#msg").text("{{.i18n.user_name_ruler}}").show();
-                                    } else {
-                                        $("#msg").hide();
-                                    }
-                                    $("#dir").html($("#dir").data('dir') + $(this).val());
-                                }
-                            }).focus();
-
-                            $("#email").keydown(function (event) {
-                                if (event.which === 13) {
-                                    if ($.trim($(this).val()) === "") {
-                                        $("#msg").text("{{.i18n.invalid_email}}").show();
-                                    } else {
-                                        $("#password").focus();
-                                    }
-                                } else {
-                                    $("#msg").hide();
-                                }
-                            });
-
-                            $("#password").keydown(function (event) {
-                                if (event.which === 13) {
-                                    if ($.trim($(this).val()) === "") {
-                                        $("#msg").text("{{.i18n.sing_up_error}}").show();
-                                    } else {
-                                        $("#confirmPassword").focus();
-                                    }
-                                } else {
-                                    $("#msg").hide();
-                                }
-                            });
-
-                            $("#confirmPassword").keydown(function (event) {
-                                if (event.which === 13) {
-                                    if ($(this).val() !== $("#password").val()) {
-                                        $("#msg").text("{{.i18n.password_no_match}}").show();
-                                    } else {
-                                        signUp();
-                                    }
-                                } else {
-                                    $("#msg").hide();
-                                }
-                            });
-
-                            $("#signUpBtn").click(function () {
-                                signUp();
-                            });
-                        })();
-        </script>
-    </body>
-</html>