diff --git a/main.go b/main.go
index 0b4fa7d..831a007 100644
--- a/main.go
+++ b/main.go
@@ -214,37 +214,6 @@ func aboutHandler(w http.ResponseWriter, r *http.Request) {
 	t.Execute(w, model)
 }
 
-// preferenceHandle handles request of preference page.
-func preferenceHandler(w http.ResponseWriter, r *http.Request) {
-	httpSession, _ := session.HTTPSession.Get(r, "wide-session")
-
-	if httpSession.IsNew {
-		http.Redirect(w, r, "/preference", http.StatusFound)
-
-		return
-	}
-
-	httpSession.Options.MaxAge = conf.Wide.HTTPSessionMaxAge
-	httpSession.Save(r, w)
-
-	username := httpSession.Values["username"].(string)
-	user := conf.Wide.GetUser(username)
-
-	model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(user.Locale), "user": user,
-		"ver": conf.WideVersion, "goos": runtime.GOOS, "goarch": runtime.GOARCH, "gover": runtime.Version()}
-
-	t, err := template.ParseFiles("views/preference.html")
-
-	if nil != err {
-		glog.Error(err)
-		http.Error(w, err.Error(), 500)
-
-		return
-	}
-
-	t.Execute(w, model)
-}
-
 // Main.
 func main() {
 	runtime.GOMAXPROCS(conf.Wide.MaxProcs)
@@ -257,7 +226,6 @@ func main() {
 	http.HandleFunc("/", handlerWrapper(indexHandler))
 	http.HandleFunc("/start", handlerWrapper(startHandler))
 	http.HandleFunc("/about", handlerWrapper(aboutHandler))
-	http.HandleFunc("/preference", handlerWrapper(preferenceHandler))
 	http.HandleFunc("/keyboard_shortcuts", handlerWrapper(keyboardShortcutsHandler))
 
 	// static resources
@@ -312,6 +280,7 @@ func main() {
 	http.HandleFunc("/login", handlerWrapper(session.LoginHandler))
 	http.HandleFunc("/logout", handlerWrapper(session.LogoutHandler))
 	http.HandleFunc("/signup", handlerWrapper(session.SignUpUser))
+	http.HandleFunc("/preference", handlerWrapper(session.PreferenceHandler))
 
 	glog.V(0).Infof("Wide is running [%s]", conf.Wide.Server)
 
diff --git a/session/users.go b/session/users.go
index 8d1e577..96d67f2 100644
--- a/session/users.go
+++ b/session/users.go
@@ -19,6 +19,7 @@ import (
 	"math/rand"
 	"net/http"
 	"path/filepath"
+	"runtime"
 	"strconv"
 	"text/template"
 
@@ -34,6 +35,45 @@ const (
 	UserCreateError = "user create error"
 )
 
+// PreferenceHandle handles request of preference page.
+func PreferenceHandler(w http.ResponseWriter, r *http.Request) {
+	httpSession, _ := HTTPSession.Get(r, "wide-session")
+
+	if httpSession.IsNew {
+		http.Redirect(w, r, "/preference", http.StatusFound)
+
+		return
+	}
+
+	httpSession.Options.MaxAge = conf.Wide.HTTPSessionMaxAge
+	httpSession.Save(r, w)
+
+	username := httpSession.Values["username"].(string)
+	user := conf.Wide.GetUser(username)
+
+	if "GET" == r.Method {
+		model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(user.Locale), "user": user,
+			"ver": conf.WideVersion, "goos": runtime.GOOS, "goarch": runtime.GOARCH, "gover": runtime.Version()}
+ 
+		t, err := template.ParseFiles("views/preference.html")
+
+		if nil != err {
+			glog.Error(err)
+			http.Error(w, err.Error(), 500)
+
+			return
+		}
+
+		t.Execute(w, model)
+		
+		return
+	}
+	
+	// non-GET request as save request
+	
+	
+}
+
 // LoginHandler handles request of user login.
 func LoginHandler(w http.ResponseWriter, r *http.Request) {
 	if "GET" == r.Method {