         }
     }
 
-    var haveOneToOneUnreadMessages = false {
-        didSet {
-            reloadConversationsTableView()
-        }
-    }
-
     lazy var noConversationFooterView: InfoView = InfoView(NSLocalizedString("Have a nice day!", comment: ""))
 
     var noConversation = false {

    let feedConversationDockCellID = "FeedConversationDockCell"
    let cellIdentifier = "ConversationCell"


    var realm: Realm!

    var realmNotificationToken: NotificationToken?


        // 预先生成头像和最近消息图片的缓存
        cacheInAdvance()

        isFirstAppear = false
    }

    override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
