diff --git a/conf/wide.go b/conf/wide.go
index 4279996..7f6c679 100644
--- a/conf/wide.go
+++ b/conf/wide.go
@@ -249,7 +249,7 @@ func Save() bool {
 }
 
 // Load loads the configurations from wide.json.
-func Load(confPath, confIP, confPort, confServer, confContext, confChannel string, confDocker bool) {
+func Load(confPath, confIP, confPort, confServer, confStaticServer, confContext, confChannel string, confDocker bool) {
 	bytes, _ := ioutil.ReadFile(confPath)
 
 	err := json.Unmarshal(bytes, &Wide)
@@ -262,8 +262,7 @@ func Load(confPath, confIP, confPort, confServer, confContext, confChannel strin
 	// keep the raw content
 	json.Unmarshal(bytes, &rawWide)
 
-	// upgrade if need
-	upgrade()
+	glog.V(5).Info("Conf: \n" + string(bytes))
 
 	// Working Driectory
 	Wide.WD = util.OS.Pwd()
@@ -299,13 +298,17 @@ func Load(confPath, confIP, confPort, confServer, confContext, confChannel strin
 		Wide.Server = confServer
 	}
 
+	// Static Server
+	Wide.StaticServer = strings.Replace(Wide.StaticServer, "{IP}", Wide.IP, 1)
+	if "" != confStaticServer {
+		Wide.StaticServer = confStaticServer
+	}
+
 	// Context
 	if "" != confContext {
 		Wide.Context = confContext
 	}
 
-	// Static Server
-	Wide.StaticServer = strings.Replace(Wide.StaticServer, "{IP}", Wide.IP, 1)
 	Wide.StaticResourceVersion = strings.Replace(Wide.StaticResourceVersion, "${time}", strconv.FormatInt(time.Now().UnixNano(), 10), 1)
 
 	// Channel
@@ -318,7 +321,8 @@ func Load(confPath, confIP, confPort, confServer, confContext, confChannel strin
 	Wide.Server = strings.Replace(Wide.Server, "{Port}", Wide.Port, 1)
 	Wide.StaticServer = strings.Replace(Wide.StaticServer, "{Port}", Wide.Port, 1)
 
-	glog.V(5).Info("Conf: \n" + string(bytes))
+	// upgrade if need
+	upgrade()
 
 	initWorkspaceDirs()
 	initCustomizedConfs()
diff --git a/main.go b/main.go
index e7d6299..b264ff8 100644
--- a/main.go
+++ b/main.go
@@ -47,6 +47,7 @@ func init() {
 	confIP := flag.String("ip", "", "ip to visit")
 	confPort := flag.String("port", "", "port to visit")
 	confServer := flag.String("server", "", "this will overwrite Wide.Server if specified")
+	confStaticServer := flag.String("static_server", "", "this will overwrite Wide.StaticServer if specified")
 	confContext := flag.String("context", "", "this will overwrite Wide.Context if specified")
 	confChannel := flag.String("channel", "", "this will overwrite Wide.XXXChannel if specified")
 	confStat := flag.Bool("stat", false, "whether report statistics periodically")
@@ -69,7 +70,7 @@ func init() {
 
 	event.Load()
 
-	conf.Load(*confPath, *confIP, *confPort, *confServer, *confContext, *confChannel, *confDocker)
+	conf.Load(*confPath, *confIP, *confPort, *confServer, *confStaticServer, *confContext, *confChannel, *confDocker)
 
 	conf.FixedTimeCheckEnv()
 	conf.FixedTimeSave()
@@ -91,6 +92,9 @@ func indexHandler(w http.ResponseWriter, r *http.Request) {
 	}
 
 	httpSession.Options.MaxAge = conf.Wide.HTTPSessionMaxAge
+	if "" != conf.Wide.Context {
+		httpSession.Options.Path = conf.Wide.Context
+	}
 	httpSession.Save(r, w)
 
 	// create a Wide session
@@ -148,6 +152,9 @@ func startHandler(w http.ResponseWriter, r *http.Request) {
 	}
 
 	httpSession.Options.MaxAge = conf.Wide.HTTPSessionMaxAge
+	if "" != conf.Wide.Context {
+		httpSession.Options.Path = conf.Wide.Context
+	}
 	httpSession.Save(r, w)
 
 	username := httpSession.Values["username"].(string)
@@ -185,6 +192,9 @@ func keyboardShortcutsHandler(w http.ResponseWriter, r *http.Request) {
 	}
 
 	httpSession.Options.MaxAge = conf.Wide.HTTPSessionMaxAge
+	if "" != conf.Wide.Context {
+		httpSession.Options.Path = conf.Wide.Context
+	}
 	httpSession.Save(r, w)
 
 	username := httpSession.Values["username"].(string)
@@ -214,6 +224,9 @@ func aboutHandler(w http.ResponseWriter, r *http.Request) {
 	}
 
 	httpSession.Options.MaxAge = conf.Wide.HTTPSessionMaxAge
+	if "" != conf.Wide.Context {
+		httpSession.Options.Path = conf.Wide.Context
+	}
 	httpSession.Save(r, w)
 
 	username := httpSession.Values["username"].(string)
diff --git a/session/users.go b/session/users.go
index ecee3bf..70c6d9f 100644
--- a/session/users.go
+++ b/session/users.go
@@ -54,6 +54,9 @@ func PreferenceHandler(w http.ResponseWriter, r *http.Request) {
 	}
 
 	httpSession.Options.MaxAge = conf.Wide.HTTPSessionMaxAge
+	if "" != conf.Wide.Context {
+		httpSession.Options.Path = conf.Wide.Context
+	}
 	httpSession.Save(r, w)
 
 	username := httpSession.Values["username"].(string)
@@ -186,6 +189,9 @@ func LoginHandler(w http.ResponseWriter, r *http.Request) {
 	httpSession.Values["username"] = args.Username
 	httpSession.Values["id"] = strconv.Itoa(rand.Int())
 	httpSession.Options.MaxAge = conf.Wide.HTTPSessionMaxAge
+	if "" != conf.Wide.Context {
+		httpSession.Options.Path = conf.Wide.Context
+	}
 	httpSession.Save(r, w)
 
 	glog.Infof("Created a HTTP session [%s] for user [%s]", httpSession.Values["id"].(string), args.Username)
diff --git a/shell/shells.go b/shell/shells.go
index 1d7849c..8042a30 100644
--- a/shell/shells.go
+++ b/shell/shells.go
@@ -49,6 +49,9 @@ func IndexHandler(w http.ResponseWriter, r *http.Request) {
 	}
 
 	httpSession.Options.MaxAge = conf.Wide.HTTPSessionMaxAge
+	if "" != conf.Wide.Context {
+		httpSession.Options.Path = conf.Wide.Context
+	}
 	httpSession.Save(r, w)
 
 	// create a wide session