diff --git a/conf/wide.go b/conf/wide.go
index 1804b3c..563d922 100644
--- a/conf/wide.go
+++ b/conf/wide.go
@@ -19,9 +19,9 @@ import (
 
 // 最后一次会话内容结构.
 type LatestSessionContent struct {
-	FileTree    []string // 文件树展开的路径集
-	Files       []string // 编辑器打开的文件路径集
-	CurrentFile string   // 当前编辑器文件路径
+	FileTree    []string `json:"fileTree"`    // 文件树展开的路径集
+	Files       []string `json:"files"`       // 编辑器打开的文件路径集
+	CurrentFile string   `json:"currentFile"` // 当前编辑器文件路径
 }
 
 // 用户结构.
diff --git a/main.go b/main.go
index 6173a34..cc11d4b 100644
--- a/main.go
+++ b/main.go
@@ -123,9 +123,9 @@ func indexHandler(w http.ResponseWriter, r *http.Request) {
 	// 创建一个 Wide 会话
 	wideSession := session.WideSessions.New(httpSession)
 
-	wideSessions := session.WideSessions.GetByHTTPSession(httpSession)
-
 	username := httpSession.Values["username"].(string)
+
+	wideSessions := session.WideSessions.GetByUsername(username)
 	userConf := conf.Wide.GetUser(username)
 
 	model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(r), "locale": i18n.GetLocale(r),
diff --git a/session/sessions.go b/session/sessions.go
index 3788ea3..baed934 100644
--- a/session/sessions.go
+++ b/session/sessions.go
@@ -220,7 +220,11 @@ func (sessions *Sessions) Get(sid string) *WideSession {
 	return nil
 }
 
-// 移除 Wide 会话.
+// 移除 Wide 会话，释放相关资源.
+// 会话相关资源：
+// 1. 用户事件队列
+// 2. 运行中的进程
+// 3. WebSocket 通道
 func (sessions *Sessions) Remove(sid string) {
 	mutex.Lock()
 	defer mutex.Unlock()
@@ -273,32 +277,18 @@ func (sessions *Sessions) Remove(sid string) {
 	}
 }
 
-// 获取 HTTP 会话关联的所有 Wide 会话.
-func (sessions *Sessions) GetByHTTPSession(httpSession *sessions.Session) []*WideSession {
+// 获取 username 指定的用户的所有 Wide 会话.
+func (sessions *Sessions) GetByUsername(username string) []*WideSession {
 	mutex.Lock()
 	defer mutex.Unlock()
 
 	ret := []*WideSession{}
 
 	for _, s := range *sessions {
-		if s.HTTPSession.ID == httpSession.ID {
+		if s.Username == username {
 			ret = append(ret, s)
 		}
 	}
 
 	return ret
 }
-
-// 移除 HTTP 会话关联的所有 Wide 会话.
-func (sessions *Sessions) RemoveByHTTPSession(httpSession *sessions.Session) {
-	mutex.Lock()
-	defer mutex.Unlock()
-
-	for i, s := range *sessions {
-		if s.HTTPSession.ID == httpSession.ID {
-			*sessions = append((*sessions)[:i], (*sessions)[i+1:]...)
-
-			glog.V(3).Infof("Has [%d] wide sessions currently", len(*sessions))
-		}
-	}
-}
diff --git a/shell/shells.go b/shell/shells.go
index 2d04f7b..0e25b92 100644
--- a/shell/shells.go
+++ b/shell/shells.go
@@ -39,12 +39,13 @@ func IndexHandler(w http.ResponseWriter, r *http.Request) {
 	// 创建一个 Wide 会话
 	wideSession := session.WideSessions.New(httpSession)
 
+	username := httpSession.Values["username"].(string)
+
 	model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(r), "locale": i18n.GetLocale(r),
 		"session": wideSession}
 
-	wideSessions := session.WideSessions.GetByHTTPSession(httpSession)
+	wideSessions := session.WideSessions.GetByUsername(username)
 
-	username := httpSession.Values["username"].(string)
 	glog.V(3).Infof("User [%s] has [%d] sessions", username, len(wideSessions))
 
 	t, err := template.ParseFiles("view/shell.html")
diff --git a/static/js/session.js b/static/js/session.js
index da8c9be..2aed2a0 100644
--- a/static/js/session.js
+++ b/static/js/session.js
@@ -35,9 +35,9 @@ var session = {
         }, 5000);
     },
     restore: function () {
-        var fileTree = config.latestSessionContent.FileTree,
-                files = config.latestSessionContent.Files,
-                currentFile = config.latestSessionContent.CurrentFile,
+        var fileTree = config.latestSessionContent.fileTree,
+                files = config.latestSessionContent.files,
+                currentFile = config.latestSessionContent.currentFile,
                 id = "",
                 nodesToOpen = [];
 
diff --git a/view/index.html b/view/index.html
index a91e4e7..644fbd6 100644
--- a/view/index.html
+++ b/view/index.html
@@ -61,6 +61,7 @@
                         </ul>
                     </div>
                 </li>
+                <!--
                 <li>
                     <span>{{.i18n.debug}}</span>
                     <div class="frame">
@@ -71,6 +72,7 @@
                         </ul>
                     </div>
                 </li>
+                -->
                 <li>
                     <span>{{.i18n.help}}</span>
                     <div class="frame">