diff --git a/conf/wide.go b/conf/wide.go
index 1983d54..9c735b5 100644
--- a/conf/wide.go
+++ b/conf/wide.go
@@ -35,6 +35,7 @@ type User struct {
 	Name                 string
 	Password             string
 	Workspace            string // 该用户的工作空间 GOPATH 路径
+	Locale               string
 	LatestSessionContent *LatestSessionContent
 }
 
@@ -52,6 +53,7 @@ type conf struct {
 	RuntimeMode           string  // 运行模式
 	Pwd                   string  // 工作目录
 	Workspace             string  // 主工作空间 GOPATH 路径
+	Locale                string  // 默认的区域
 	Users                 []*User // 用户集
 }
 
diff --git a/conf/wide.json b/conf/wide.json
index bc97fbb..ee59936 100644
--- a/conf/wide.json
+++ b/conf/wide.json
@@ -11,11 +11,13 @@
     "RuntimeMode": "dev",
     "Pwd": "{pwd}",
     "Workspace": "{pwd}/data/workspace",
+    "Locale": "zh_CN",
     "Users": [
         {
             "Name": "admin",
             "Password": "admin",
             "Workspace": "{pwd}/data/user_workspaces/admin",
+            "Locale": "zh_CN",
             "LatestSessionContent": {
                 "FileTree": [],
                 "Files": [],
diff --git a/i18n/locales.go b/i18n/locales.go
index af41a89..c80b33e 100644
--- a/i18n/locales.go
+++ b/i18n/locales.go
@@ -4,7 +4,6 @@ package i18n
 import (
 	"encoding/json"
 	"io/ioutil"
-	"net/http"
 	"os"
 
 	"github.com/golang/glog"
@@ -22,39 +21,38 @@ var Locales = map[string]locale{}
 // 加载国际化配置.
 func Load() {
 	// TODO: 加载所有语言配置
-	bytes, _ := ioutil.ReadFile("i18n/zh_CN.json")
+	load("zh_CN")
 
-	zhCN := locale{Name: "zh_CN"}
+}
 
-	// TODO: 时区
-
-	err := json.Unmarshal(bytes, &zhCN.Langs)
-	if err != nil {
+func load(localeStr string) {
+	bytes, err := ioutil.ReadFile("i18n/" + localeStr + ".json")
+	if nil != err {
 		glog.Error(err)
 
 		os.Exit(-1)
 	}
 
-	Locales["zh_CN"] = zhCN
-	glog.V(5).Info("Loaded [zh_CN] locale configuration")
+	l := locale{Name: localeStr}
+
+	err = json.Unmarshal(bytes, &l.Langs)
+	if nil != err {
+		glog.Error(err)
+
+		os.Exit(-1)
+	}
+
+	Locales[localeStr] = l
+
+	glog.V(5).Infof("Loaded [%s] locale configuration", localeStr)
 }
 
-// 获取请求对应的本地语言配置项.
-func Get(r *http.Request, key string) interface{} {
-	locale := GetLocale(r)
-
+// 获取语言配置项.
+func Get(locale, key string) interface{} {
 	return Locales[locale].Langs[key]
 }
 
-// 获取请求对应的本地语言配置.
-func GetAll(r *http.Request) map[string]interface{} {
-	locale := GetLocale(r)
-
+// 获取语言配置.
+func GetAll(locale string) map[string]interface{} {
 	return Locales[locale].Langs
 }
-
-// 获取请求对应的 locale.
-func GetLocale(r *http.Request) string {
-	// TODO: 从请求中获取 locale
-	return "zh_CN"
-}
diff --git a/main.go b/main.go
index c0e9ade..653aa79 100644
--- a/main.go
+++ b/main.go
@@ -57,7 +57,8 @@ func loginHandler(w http.ResponseWriter, r *http.Request) {
 	if "GET" == r.Method {
 		// 展示登录页面
 
-		model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(r), "locale": i18n.GetLocale(r), "ver": Ver}
+		model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(conf.Wide.Locale),
+			"locale": conf.Wide.Locale, "ver": Ver}
 
 		t, err := template.ParseFiles("view/login.html")
 
@@ -141,11 +142,12 @@ func indexHandler(w http.ResponseWriter, r *http.Request) {
 	wideSession := session.WideSessions.New(httpSession)
 
 	username := httpSession.Values["username"].(string)
+	locale := conf.Wide.GetUser(username).Locale
 
 	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),
+	model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(locale), "locale": locale,
 		"session": wideSession, "latestSessionContent": userConf.LatestSessionContent,
 		"pathSeparator": conf.PathSeparator}
 
@@ -186,9 +188,10 @@ func startHandler(w http.ResponseWriter, r *http.Request) {
 	httpSession.Save(r, w)
 
 	username := httpSession.Values["username"].(string)
+	locale := conf.Wide.GetUser(username).Locale
 	userWorkspace := conf.Wide.GetUserWorkspace(username)
 
-	model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(r), "locale": i18n.GetLocale(r),
+	model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(locale), "locale": locale,
 		"username": username, "workspace": userWorkspace, "ver": Ver}
 
 	t, err := template.ParseFiles("view/start.html")
@@ -207,7 +210,21 @@ func startHandler(w http.ResponseWriter, r *http.Request) {
 func keyboardShortcutsHandler(w http.ResponseWriter, r *http.Request) {
 	i18n.Load()
 
-	model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(r), "locale": i18n.GetLocale(r)}
+	httpSession, _ := session.HTTPSession.Get(r, "wide-session")
+
+	if httpSession.IsNew {
+		http.Redirect(w, r, "/login", http.StatusFound)
+
+		return
+	}
+
+	httpSession.Options.MaxAge = conf.Wide.HTTPSessionMaxAge
+	httpSession.Save(r, w)
+
+	username := httpSession.Values["username"].(string)
+	locale := conf.Wide.GetUser(username).Locale
+
+	model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(locale), "locale": locale}
 
 	t, err := template.ParseFiles("view/keyboard_shortcuts.html")
 
@@ -225,8 +242,21 @@ func keyboardShortcutsHandler(w http.ResponseWriter, r *http.Request) {
 func aboutHandler(w http.ResponseWriter, r *http.Request) {
 	i18n.Load()
 
-	model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(r), "locale": i18n.GetLocale(r),
-		"ver": Ver}
+	httpSession, _ := session.HTTPSession.Get(r, "wide-session")
+
+	if httpSession.IsNew {
+		http.Redirect(w, r, "/login", http.StatusFound)
+
+		return
+	}
+
+	httpSession.Options.MaxAge = conf.Wide.HTTPSessionMaxAge
+	httpSession.Save(r, w)
+
+	username := httpSession.Values["username"].(string)
+	locale := conf.Wide.GetUser(username).Locale
+
+	model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(locale), "locale": locale, "ver": Ver}
 
 	t, err := template.ParseFiles("view/about.html")
 
diff --git a/notification/notifications.go b/notification/notifications.go
index 1be29c2..d2d3690 100644
--- a/notification/notifications.go
+++ b/notification/notifications.go
@@ -7,6 +7,7 @@ import (
 	"time"
 
 	"strconv"
+	"github.com/b3log/wide/conf"
 	"github.com/b3log/wide/event"
 	"github.com/b3log/wide/i18n"
 	"github.com/b3log/wide/session"
@@ -53,8 +54,12 @@ func event2Notification(e *event.Event) {
 		return
 	}
 
+	httpSession, _ := session.HTTPSession.Get(wsChannel.Request, "wide-session")
+	username := httpSession.Values["username"].(string)
+	locale := conf.Wide.GetUser(username).Locale
+
 	// 消息国际化处理
-	notification.Message = i18n.Get(wsChannel.Request, "notification_"+strconv.Itoa(e.Code)).(string)
+	notification.Message = i18n.Get(locale, "notification_"+strconv.Itoa(e.Code)).(string)
 
 	wsChannel.Conn.WriteJSON(&notification)
 
diff --git a/output/outputs.go b/output/outputs.go
index a260814..8017307 100644
--- a/output/outputs.go
+++ b/output/outputs.go
@@ -186,6 +186,7 @@ func BuildHandler(w http.ResponseWriter, r *http.Request) {
 
 	httpSession, _ := session.HTTPSession.Get(r, "wide-session")
 	username := httpSession.Values["username"].(string)
+	locale := conf.Wide.GetUser(username).Locale
 
 	decoder := json.NewDecoder(r.Body)
 
@@ -273,7 +274,7 @@ func BuildHandler(w http.ResponseWriter, r *http.Request) {
 	if nil != session.OutputWS[sid] {
 		// 在前端 output 中显示“开始构建”
 
-		channelRet["output"] = "<span class='start-build'>" + i18n.Get(r, "start-build").(string) + "</span>\n"
+		channelRet["output"] = "<span class='start-build'>" + i18n.Get(locale, "start-build").(string) + "</span>\n"
 		channelRet["cmd"] = "start-build"
 
 		wsChannel := session.OutputWS[sid]
@@ -313,7 +314,7 @@ func BuildHandler(w http.ResponseWriter, r *http.Request) {
 		if 0 == len(buf) { // 说明构建成功，没有错误信息输出
 			// 设置下一次执行命令（前端会根据该参数发送请求）
 			channelRet["nextCmd"] = args["nextCmd"]
-			channelRet["output"] = "<span class='build-succ'>" + i18n.Get(r, "build-succ").(string) + "</span>\n"
+			channelRet["output"] = "<span class='build-succ'>" + i18n.Get(locale, "build-succ").(string) + "</span>\n"
 
 			go func() { // 运行 go install，生成的库用于 gocode lib-path
 				cmd := exec.Command("go", "install")
@@ -329,7 +330,7 @@ func BuildHandler(w http.ResponseWriter, r *http.Request) {
 		} else { // 构建失败
 			// 解析错误信息，返回给编辑器 gutter lint
 			errOut := string(buf)
-			channelRet["output"] = "<span class='build-failed'>" + i18n.Get(r, "build-failed").(string) + "</span>\n" + errOut
+			channelRet["output"] = "<span class='build-failed'>" + i18n.Get(locale, "build-failed").(string) + "</span>\n" + errOut
 
 			lines := strings.Split(errOut, "\n")
 
@@ -396,6 +397,7 @@ func GoInstallHandler(w http.ResponseWriter, r *http.Request) {
 
 	httpSession, _ := session.HTTPSession.Get(r, "wide-session")
 	username := httpSession.Values["username"].(string)
+	locale := conf.Wide.GetUser(username).Locale
 
 	decoder := json.NewDecoder(r.Body)
 
@@ -465,7 +467,7 @@ func GoInstallHandler(w http.ResponseWriter, r *http.Request) {
 	if nil != session.OutputWS[sid] {
 		// 在前端 output 中显示“开始 go install”
 
-		channelRet["output"] = "<span class='start-install'>" + i18n.Get(r, "start-install").(string) + "</span>\n"
+		channelRet["output"] = "<span class='start-install'>" + i18n.Get(locale, "start-install").(string) + "</span>\n"
 		channelRet["cmd"] = "start-install"
 
 		wsChannel := session.OutputWS[sid]
@@ -545,9 +547,9 @@ func GoInstallHandler(w http.ResponseWriter, r *http.Request) {
 
 			channelRet["lints"] = lints
 
-			channelRet["output"] = "<span class='install-failed'>" + i18n.Get(r, "install-failed").(string) + "</span>\n" + errOut
+			channelRet["output"] = "<span class='install-failed'>" + i18n.Get(locale, "install-failed").(string) + "</span>\n" + errOut
 		} else {
-			channelRet["output"] = "<span class='install-succ'>" + i18n.Get(r, "install-succ").(string) + "</span>\n"
+			channelRet["output"] = "<span class='install-succ'>" + i18n.Get(locale, "install-succ").(string) + "</span>\n"
 		}
 
 		if nil != session.OutputWS[sid] {
@@ -573,6 +575,7 @@ func GoGetHandler(w http.ResponseWriter, r *http.Request) {
 
 	httpSession, _ := session.HTTPSession.Get(r, "wide-session")
 	username := httpSession.Values["username"].(string)
+	locale := conf.Wide.GetUser(username).Locale
 
 	decoder := json.NewDecoder(r.Body)
 
@@ -620,7 +623,7 @@ func GoGetHandler(w http.ResponseWriter, r *http.Request) {
 	if nil != session.OutputWS[sid] {
 		// 在前端 output 中显示“开始 go get
 
-		channelRet["output"] = "<span class='start-get'>" + i18n.Get(r, "start-get").(string) + "</span>\n"
+		channelRet["output"] = "<span class='start-get'>" + i18n.Get(locale, "start-get").(string) + "</span>\n"
 		channelRet["cmd"] = "start-get"
 
 		wsChannel := session.OutputWS[sid]
@@ -659,11 +662,11 @@ func GoGetHandler(w http.ResponseWriter, r *http.Request) {
 		if 0 != len(buf) {
 			glog.V(3).Infof("Session [%s] 's running [go get] [runningId=%d] has done (with error)", sid, runningId)
 
-			channelRet["output"] = "<span class='get-failed'>" + i18n.Get(r, "get-failed").(string) + "</span>\n" + string(buf)
+			channelRet["output"] = "<span class='get-failed'>" + i18n.Get(locale, "get-failed").(string) + "</span>\n" + string(buf)
 		} else {
 			glog.V(3).Infof("Session [%s] 's running [go get] [runningId=%d] has done", sid, runningId)
 
-			channelRet["output"] = "<span class='get-succ'>" + i18n.Get(r, "get-succ").(string) + "</span>\n"
+			channelRet["output"] = "<span class='get-succ'>" + i18n.Get(locale, "get-succ").(string) + "</span>\n"
 
 		}
 
diff --git a/shell/shells.go b/shell/shells.go
index 07f3644..9d8dbd3 100644
--- a/shell/shells.go
+++ b/shell/shells.go
@@ -42,8 +42,9 @@ func IndexHandler(w http.ResponseWriter, r *http.Request) {
 	wideSession := session.WideSessions.New(httpSession)
 
 	username := httpSession.Values["username"].(string)
+	locale := conf.Wide.GetUser(username).Locale
 
-	model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(r), "locale": i18n.GetLocale(r),
+	model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(locale), "locale": locale,
 		"session": wideSession}
 
 	wideSessions := session.WideSessions.GetByUsername(username)