diff --git a/conf/users/admin.json b/conf/users/admin.json
index c6065ed..518ca8b 100644
--- a/conf/users/admin.json
+++ b/conf/users/admin.json
@@ -8,7 +8,7 @@
     "GoFormat": "gofmt",
     "FontFamily": "Helvetica",
     "FontSize": "13px",
-    "Theme": "black",
+    "Theme": "default",
     "Editor": {
         "FontFamily": "Consolas, 'Courier New', monospace",
         "FontSize": "13px",
@@ -17,9 +17,7 @@
         "TabSize": "4"
     },
     "LatestSessionContent": {
-        "FileTree": [
-            "D:\\GoGoGo\\src"
-        ],
+        "FileTree": [],
         "Files": [],
         "CurrentFile": ""
     }
diff --git a/conf/wide.go b/conf/wide.go
index b7ff045..071cfab 100644
--- a/conf/wide.go
+++ b/conf/wide.go
@@ -287,31 +287,6 @@ func GetUser(username string) *User {
 	return nil
 }
 
-// Save saves Wide and all users' configurations.
-func Save() bool {
-	// Wide, XXX: does we need to save wide.json?
-	bytes, err := json.MarshalIndent(Wide, "", "    ")
-
-	if nil != err {
-		logger.Error(err)
-
-		return false
-	}
-
-	if err = ioutil.WriteFile("conf/wide.json", bytes, 0644); nil != err {
-		logger.Error(err)
-
-		return false
-	}
-
-	// Users
-	for _, user := range Users {
-		user.Save()
-	}
-
-	return true
-}
-
 // initCustomizedConfs initializes the user customized configurations.
 func initCustomizedConfs() {
 	for _, user := range Users {
diff --git a/session/users.go b/session/users.go
index 4fbb0e0..2d15abc 100644
--- a/session/users.go
+++ b/session/users.go
@@ -334,7 +334,7 @@ func addUser(username, password, email string) string {
 	newUser := conf.NewUser(username, password, email, workspace)
 	conf.Users = append(conf.Users, newUser)
 
-	if !conf.Save() {
+	if !newUser.Save() {
 		return userCreateError
 	}
 
diff --git a/views/login.html b/views/login.html
index 6048e5e..baba04a 100644
--- a/views/login.html
+++ b/views/login.html
@@ -18,7 +18,7 @@
                     <li><a href="https://www.gitbook.io/book/88250/wide-user-guide" target="_blank">{{.i18n.help}}</a></li>
                     <li><a href="https://github.com/b3log/wide/issues/new" target="_blank">{{.i18n.report_issues}}</a></li>
                     <li><button class="btn btn-red" onclick="window.open('http://b3log.org/services')">{{.i18n.pricing}}</button></li>
-                    <li><button class="btn" onclick="window.open('/signup')">{{.i18n.sign_up}}</button></li>
+                    <li><button class="btn" onclick="window.location.href = '/signup'">{{.i18n.sign_up}}</button></li>
                 </ul>
             </div>
         </div>
diff --git a/views/sign_up.html b/views/sign_up.html
index 5299314..4c0531a 100644
--- a/views/sign_up.html
+++ b/views/sign_up.html
@@ -18,7 +18,7 @@
                     <li><a href="https://www.gitbook.io/book/88250/wide-user-guide" target="_blank">{{.i18n.help}}</a></li>
                     <li><a href="https://github.com/b3log/wide/issues/new" target="_blank">{{.i18n.report_issues}}</a></li>
                     <li><button class="btn btn-red" onclick="window.open('http://b3log.org/services')">{{.i18n.pricing}}</button></li>
-                    <li><button class="btn" onclick="window.open('/login')">{{.i18n.sign_up}}</button></li>
+                    <li><button class="btn" onclick="window.location.href = '/login'">{{.i18n.login}}</button></li>
                 </ul>
             </div>
         </div>