   constructor: ->
     super
 
-    @showTimeEveryXMinutes = 1
+    @showTimeEveryXMinutes = 2
     @lastTimestamp
     @lastAddedType
     @isTyping = false

    if !preferences.chat.phrase
      preferences.chat.phrase = {}
    if !preferences.chat.max_windows
      preferences.chat.max_windows = @maxChatWindows

    App.view('customer_chat/setting')(
      chats: App.Chat.all()

    params = @formParam(e.target)

    @formDisable(e)

    # update runtime
    @windowSpace.maxChatWindows = params.chat.max_windows

    # update user preferences
    @ajax(
