diff --git a/PhotoBrowser/ZLShowBigImgViewController.m b/PhotoBrowser/ZLShowBigImgViewController.m
index 684aa7e9..ce2ce068 100644
--- a/PhotoBrowser/ZLShowBigImgViewController.m
+++ b/PhotoBrowser/ZLShowBigImgViewController.m
@@ -50,7 +50,6 @@ @interface ZLShowBigImgViewController () <UIScrollViewDelegate, UICollectionView
     
     NSString *_modelIdentifile;
     
-    ZLInteractiveTrasition *_interactiveTransition;
     BOOL _shouldStartDismiss;
     NSInteger _panCount;
 }
diff --git a/README.md b/README.md
index 7b9aab30..44611142 100644
--- a/README.md
+++ b/README.md
@@ -45,6 +45,7 @@
 ### 更新日志
 > [更多更新日志](https://github.com/longitachi/ZLPhotoBrowser/blob/master/UPDATELOG.md)
 ```
+● 2.7.8: 添加iCloud图片加载进度条，支持iCloud视频播放;
 ● 2.7.6: 预览大图界面支持precent情况下的下拉返回;
 ● 2.7.5: 编辑图片支持自定义工具类型; bug fixed;
 ● 2.7.4: 横滑大图界面添加下拉返回; 不允许录制视频时候不请求麦克风权限;
@@ -67,7 +68,6 @@
 ● 2.5.2: 提取相册配置参数独立为'ZLPhotoConfiguration'对象; 新增状态栏样式api; 优化部分代码;
 ● 2.5.1: ①：新增自定义相机(仿微信)，开发者可选使用自定义相机或系统相机;
          ②：支持录制视频，可设置最大录制时长及清晰度;
-● 2.5.0.2: 新增自行切换框架语言api; 编辑图片界面当只有一个比例且为custom或1:1状态下隐藏比例切换工具条;
 ```
 
 ### 框架支持
diff --git a/UPDATELOG.md b/UPDATELOG.md
index d6b7929c..19e559d7 100755
--- a/UPDATELOG.md
+++ b/UPDATELOG.md
@@ -2,6 +2,15 @@
 
 -----
 
+## [2.7.8](https://github.com/longitachi/ZLPhotoBrowser/releases/tag/2.7.8) (2019-02-20)
+
+#### Add
+* 添加iCloud图片加载进度条;
+* 支持iCloud视频播放;
+* 优化部分体验;
+
+---
+
 ## [2.7.6](https://github.com/longitachi/ZLPhotoBrowser/releases/tag/2.7.6) (2018-11-29)
 
 #### Add
diff --git a/ZLPhotoBrowser.podspec b/ZLPhotoBrowser.podspec
index ed8cc014..c9ada691 100644
--- a/ZLPhotoBrowser.podspec
+++ b/ZLPhotoBrowser.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = 'ZLPhotoBrowser'
-  s.version      = '2.7.7'
+  s.version      = '2.7.8'
   s.summary      = 'A simple way to multiselect photos from ablum, force touch to preview photo, support portrait and landscape, edit photo, multiple languages(Chinese,English,Japanese)'
   s.homepage     = 'https://github.com/longitachi/ZLPhotoBrowser'
   s.license      = 'MIT'