             // 尽量滚到底部
             tryScrollToBottom()
         }
-        
-        self.waverView.frame = CGRectMake(0, 0, self.view.bounds.size.width, self.view.bounds.size.height - self.messageToolbar.frame.size.height)
     }
 
     // MARK: UI

    lazy var moreView = ConversationMoreView()

    lazy var pullToRefreshView = PullToRefreshView()
    
    @IBOutlet weak var conversationCollectionView: UICollectionView!


    var isTryingShowFriendRequestView = false

    var originalNavigationControllerDelegate: UINavigationControllerDelegate?

    let sectionInsetTop: CGFloat = 10
    let sectionInsetBottom: CGFloat = 10
