diff --git a/PhotoBrowser/ZLCollectionCell.h b/PhotoBrowser/ZLCollectionCell.h
index 5ca35b1c..2ae9e41c 100644
--- a/PhotoBrowser/ZLCollectionCell.h
+++ b/PhotoBrowser/ZLCollectionCell.h
@@ -18,18 +18,18 @@
 @property (nonatomic, strong) UIImageView *videoImageView;
 @property (nonatomic, strong) UIImageView *liveImageView;
 @property (nonatomic, strong) UILabel *timeLabel;
-//@property (nonatomic, strong) UIView *topView;
+@property (nonatomic, strong) UIView *topView;
 
 @property (nonatomic, assign) BOOL allSelectGif;
 @property (nonatomic, assign) BOOL allSelectLivePhoto;
 @property (nonatomic, assign) BOOL showSelectBtn;
 @property (nonatomic, assign) CGFloat cornerRadio;
 @property (nonatomic, strong) ZLPhotoModel *model;
+@property (nonatomic, strong) UIColor *maskColor;
+@property (nonatomic, assign) BOOL showMask;
 
 @property (nonatomic, copy) void (^selectedBlock)(BOOL);
 
-@property (nonatomic, copy) BOOL (^isSelectedImage)();
-
 @end
 
 
diff --git a/PhotoBrowser/ZLCollectionCell.m b/PhotoBrowser/ZLCollectionCell.m
index 122f4442..97d81717 100644
--- a/PhotoBrowser/ZLCollectionCell.m
+++ b/PhotoBrowser/ZLCollectionCell.m
@@ -32,7 +32,9 @@ - (void)layoutSubviews
     [super layoutSubviews];
     self.imageView.frame = self.bounds;
     self.btnSelect.frame = CGRectMake(GetViewWidth(self.contentView)-26, 5, 23, 23);
-    //    self.topView.frame = self.bounds;
+    if (self.showMask) {
+        self.topView.frame = self.bounds;
+    }
     self.videoBottomView.frame = CGRectMake(0, GetViewHeight(self)-15, GetViewWidth(self), 15);
     self.videoImageView.frame = CGRectMake(5, 1, 16, 12);
     self.liveImageView.frame = CGRectMake(5, -1, 15, 15);
@@ -49,6 +51,7 @@ - (UIImageView *)imageView
         _imageView.clipsToBounds = YES;
         [self.contentView addSubview:_imageView];
         
+        [self.contentView bringSubviewToFront:_topView];
         [self.contentView bringSubviewToFront:self.videoBottomView];
         [self.contentView bringSubviewToFront:self.btnSelect];
     }
@@ -112,19 +115,16 @@ - (UILabel *)timeLabel
     return _timeLabel;
 }
 
-//- (UIView *)topView
-//{
-//    if (!_topView) {
-//        _topView = [[UIView alloc] init];
-//        _topView.backgroundColor = [UIColor whiteColor];
-//        _topView.alpha = 0.5;
-//        _topView.userInteractionEnabled = NO;
-//        _topView.hidden = YES;
-//        [self.contentView addSubview:_topView];
-//        [self.contentView bringSubviewToFront:_topView];
-//    }
-//    return _topView;
-//}
+- (UIView *)topView
+{
+    if (!_topView) {
+        _topView = [[UIView alloc] init];
+        _topView.userInteractionEnabled = NO;
+        _topView.hidden = YES;
+        [self.contentView addSubview:_topView];
+    }
+    return _topView;
+}
 
 - (void)setModel:(ZLPhotoModel *)model
 {
@@ -140,28 +140,23 @@ - (void)setModel:(ZLPhotoModel *)model
         self.videoImageView.hidden = NO;
         self.liveImageView.hidden = YES;
         self.timeLabel.text = model.duration;
-//        if (self.isSelectedImage) {
-//            self.topView.hidden = !self.isSelectedImage();
-//        }
     } else if (model.type == ZLAssetMediaTypeGif) {
         self.videoBottomView.hidden = !self.allSelectGif;
         self.videoImageView.hidden = YES;
         self.liveImageView.hidden = YES;
         self.timeLabel.text = @"GIF";
-//        if (self.allSelectGif && self.isSelectedImage) {
-//            self.topView.hidden = self.allSelectGif && !self.isSelectedImage();
-//        }
     } else if (model.type == ZLAssetMediaTypeLivePhoto) {
         self.videoBottomView.hidden = !self.allSelectLivePhoto;
         self.videoImageView.hidden = YES;
         self.liveImageView.hidden = NO;
         self.timeLabel.text = @"Live";
-//        if (self.allSelectLivePhoto && self.isSelectedImage) {
-//            self.topView.hidden = self.allSelectLivePhoto && !self.isSelectedImage();
-//        }
     } else {
         self.videoBottomView.hidden = YES;
-//        self.topView.hidden = YES;
+    }
+    
+    if (self.showMask) {
+        self.topView.backgroundColor = [self.maskColor colorWithAlphaComponent:.2];
+        self.topView.hidden = !model.isSelected;
     }
     
     self.btnSelect.hidden = !self.showSelectBtn;
diff --git a/PhotoBrowser/ZLDefine.h b/PhotoBrowser/ZLDefine.h
index 3a799af7..370bf9fd 100644
--- a/PhotoBrowser/ZLDefine.h
+++ b/PhotoBrowser/ZLDefine.h
@@ -159,7 +159,7 @@ static inline NSInteger GetDuration (NSString *duration) {
 
 
 static inline NSDictionary *
-GetCustomRatio() {
+GetCustomClipRatio() {
     return @{ClippingRatioValue1: @(0), ClippingRatioValue2: @(0), ClippingRatioTitleFormat: @"Custom"};
 }
 
diff --git a/PhotoBrowser/ZLPhotoActionSheet.h b/PhotoBrowser/ZLPhotoActionSheet.h
index 7337217e..be8474cf 100644
--- a/PhotoBrowser/ZLPhotoActionSheet.h
+++ b/PhotoBrowser/ZLPhotoActionSheet.h
@@ -79,17 +79,17 @@ NS_ASSUME_NONNULL_BEGIN
 /**导航条颜色，默认 rgb(19, 153, 231)*/
 @property (nonatomic, strong) UIColor *navBarColor;
 
-/**选择照片回调，回调解析好的图片、对应的asset对象、是否原图*/
-@property (nonatomic, copy) void (^selectImageBlock)(NSArray<UIImage *> *images, NSArray<PHAsset *> *assets, BOOL isOriginal);
-
-/**选择gif照片回调，回调解析好的gif图片、对应的asset对象*/
-@property (nonatomic, copy) void (^selectGifBlock)(UIImage *gif, PHAsset *asset) NS_DEPRECATED_IOS(2_0, 8_0, "pod 2.2.6版本之后已废弃，删除使用的地方即可， 统一通过selectImageBlock回调，后续将删除");
+/**是否在已选择的图片上方覆盖一层已选中遮罩层，默认 NO*/
+@property (nonatomic, assign) BOOL showSelectedMask;
 
-/**选择live photo照片回调，回调解析好的live photo图片、对应的asset对象*/
-@property (nonatomic, copy) void (^selectLivePhotoBlock)(UIImage *livePhoto, PHAsset *asset) NS_DEPRECATED_IOS(2_0, 8_0, "pod 2.2.6版本之后已废弃，删除使用的地方即可， 统一通过selectImageBlock回调，后续将删除");
+/**遮罩层颜色，内部会默认调整颜色的透明度为0.2， 默认 blackColor*/
+@property (nonatomic, strong) UIColor *selectedMaskColor;
 
-/**选择视频回调，回调第一帧封面图片、对应的asset对象*/
-@property (nonatomic, copy) void (^selectVideoBlock)(UIImage *cover, PHAsset *asset) NS_DEPRECATED_IOS(2_0, 8_0, "pod 2.2.6版本之后已废弃，删除使用的地方即可， 统一通过selectImageBlock回调，后续将删除");
+/**
+ 选择照片回调，回调解析好的图片、对应的asset对象、是否原图
+ pod 2.2.6版本之后 统一通过selectImageBlock回调
+ */
+@property (nonatomic, copy) void (^selectImageBlock)(NSArray<UIImage *> *images, NSArray<PHAsset *> *assets, BOOL isOriginal);
 
 - (instancetype)initWithFrame:(CGRect)frame NS_UNAVAILABLE;
 
diff --git a/PhotoBrowser/ZLPhotoActionSheet.m b/PhotoBrowser/ZLPhotoActionSheet.m
index bc479d88..7db9d3c1 100644
--- a/PhotoBrowser/ZLPhotoActionSheet.m
+++ b/PhotoBrowser/ZLPhotoActionSheet.m
@@ -16,9 +16,6 @@
 #import "ZLThumbnailViewController.h"
 #import "ZLNoAuthorityViewController.h"
 #import "ToastUtils.h"
-#import "ZLShowGifViewController.h"
-#import "ZLShowVideoViewController.h"
-#import "ZLShowLivePhotoViewController.h"
 #import "ZLEditViewController.h"
 
 #define kBaseViewHeight (self.maxPreviewCount ? 300 : 142)
@@ -93,10 +90,6 @@ - (void)setArrSelectedAssets:(NSMutableArray<PHAsset *> *)arrSelectedAssets
     _arrSelectedAssets = arrSelectedAssets;
     [self.arrSelectedModels removeAllObjects];
     for (PHAsset *asset in arrSelectedAssets) {
-//        if (asset.mediaType != PHAssetMediaTypeImage) {
-//            //选择的视频不做保存
-//            continue;
-//        }
         ZLPhotoModel *model = [ZLPhotoModel modelWithAsset:asset type:[ZLPhotoManager transformAssetType:asset] duration:nil];
         model.isSelected = YES;
         [self.arrSelectedModels addObject:model];
@@ -140,6 +133,8 @@ - (instancetype)init
         self.showCaptureImageOnTakePhotoBtn = YES;
         self.sortAscending = YES;
         self.showSelectBtn = NO;
+        self.showSelectedMask = NO;
+        self.selectedMaskColor = [UIColor blackColor];
         
         if (![self judgeIsHavePhotoAblumAuthority]) {
             //注册实施监听相册变化
@@ -300,8 +295,7 @@ - (void)showAlertWithTitle:(NSString *)title message:(NSString *)message
 - (void)loadPhotoFromAlbum
 {
     [self.arrDataSources removeAllObjects];
-    //因为预览界面需快速选择最近图片，所以不受self.sortAscending限制，
-    //这里allow gif和allow liveohoto 置为yes，为了获取所有asset
+    
     [self.arrDataSources addObjectsFromArray:[ZLPhotoManager getAllAssetInPhotoAlbumWithAscending:NO limitCount:self.maxPreviewCount allowSelectVideo:self.allowSelectVideo allowSelectImage:self.allowSelectImage allowSelectGif:self.allowSelectGif allowSelectLivePhoto:self.allowSelectLivePhoto]];
     [ZLPhotoManager markSelcectModelInArr:self.arrDataSources selArr:self.arrSelectedModels];
     [self.collectionView reloadData];
@@ -534,18 +528,19 @@ - (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cell
                 }
             }
         }
+        
+        if (strongSelf.showSelectedMask) {
+            strongCell.topView.hidden = !model.isSelected;
+        }
         [strongSelf changeCancelBtnTitle];
-//        [collectionView reloadItemsAtIndexPaths:[collectionView indexPathsForVisibleItems]];
     };
     
-    cell.isSelectedImage = ^BOOL() {
-        strongify(weakSelf);
-        return strongSelf.arrSelectedModels.count > 0;
-    };
     cell.allSelectGif = self.allowSelectGif;
     cell.allSelectLivePhoto = self.allowSelectLivePhoto;
     cell.showSelectBtn = self.showSelectBtn;
     cell.cornerRadio = self.cellCornerRadio;
+    cell.showMask = self.showSelectedMask;
+    cell.maskColor = self.selectedMaskColor;
     cell.model = model;
     
     return cell;
@@ -659,6 +654,8 @@ - (ZLImageNavigationController *)getImageNavWithRootVC:(UIViewController *)rootV
     nav.showSelectBtn = self.showSelectBtn;
     nav.isSelectOriginalPhoto = self.isSelectOriginalPhoto;
     nav.navBarColor = self.navBarColor;
+    nav.showSelectedMask = self.showSelectedMask;
+    nav.selectedMaskColor = self.selectedMaskColor;
     [nav.arrSelectedModels removeAllObjects];
     [nav.arrSelectedModels addObjectsFromArray:self.arrSelectedModels];
     
@@ -708,30 +705,6 @@ - (void)pushEditVCWithModel:(ZLPhotoModel *)model
     [self.sender showDetailViewController:nav sender:nil];
 }
 
-- (void)pushGifViewControllerWithModel:(ZLPhotoModel *)model
-{
-    ZLShowGifViewController *vc = [[ZLShowGifViewController alloc] init];
-    vc.model = model;
-    ZLImageNavigationController *nav = [self getImageNavWithRootVC:vc];
-    [self.sender showDetailViewController:nav sender:nil];
-}
-
-- (void)pushLivePhotoViewControllerWithModel:(ZLPhotoModel *)model
-{
-    ZLShowLivePhotoViewController *vc = [[ZLShowLivePhotoViewController alloc] init];
-    vc.model = model;
-    ZLImageNavigationController *nav = [self getImageNavWithRootVC:vc];
-    [self.sender showDetailViewController:nav sender:nil];
-}
-
-- (void)pushVideoViewControllerWithModel:(ZLPhotoModel *)model
-{
-    ZLShowVideoViewController *vc = [[ZLShowVideoViewController alloc] init];
-    vc.model = model;
-    ZLImageNavigationController *nav = [self getImageNavWithRootVC:vc];
-    [self.sender showDetailViewController:nav sender:nil];
-}
-
 #pragma mark - UIImagePickerControllerDelegate
 - (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *,id> *)info
 {
diff --git a/PhotoBrowser/ZLPhotoBrowser.h b/PhotoBrowser/ZLPhotoBrowser.h
index 7e349736..a5c92a6c 100644
--- a/PhotoBrowser/ZLPhotoBrowser.h
+++ b/PhotoBrowser/ZLPhotoBrowser.h
@@ -72,6 +72,12 @@
 /**导航条颜色，默认 rgb(19, 153, 231)*/
 @property (nonatomic, strong) UIColor *navBarColor;
 
+/**是否在已选择的图片上方覆盖一层已选中遮罩层，默认 NO*/
+@property (nonatomic, assign) BOOL showSelectedMask;
+
+/**遮罩层颜色，内部会默认调整颜色的透明度为0.2， 默认 blackColor*/
+@property (nonatomic, strong) UIColor *selectedMaskColor;
+
 /**点击确定选择照片回调*/
 @property (nonatomic, copy) void (^callSelectImageBlock)();
 
diff --git a/PhotoBrowser/ZLPhotoBrowser.m b/PhotoBrowser/ZLPhotoBrowser.m
index fa50f72f..2c1ace02 100644
--- a/PhotoBrowser/ZLPhotoBrowser.m
+++ b/PhotoBrowser/ZLPhotoBrowser.m
@@ -57,13 +57,11 @@ - (UIImage *)imageWithColor:(UIColor*)color
     if (_clipRatios) {
         return _clipRatios;
     } else {
-        return @[
-                 @{ClippingRatioValue1: @0, ClippingRatioValue2: @0, ClippingRatioTitleFormat: @"Custom"},
-                 @{ClippingRatioValue1: @1, ClippingRatioValue2: @1, ClippingRatioTitleFormat: @"%g : %g"},
-                 @{ClippingRatioValue1: @4, ClippingRatioValue2: @3, ClippingRatioTitleFormat: @"%g : %g"},
-                 @{ClippingRatioValue1: @3, ClippingRatioValue2: @2, ClippingRatioTitleFormat: @"%g : %g"},
-                 @{ClippingRatioValue1: @16, ClippingRatioValue2: @9, ClippingRatioTitleFormat: @"%g : %g"},
-                 ];
+        return @[GetCustomClipRatio(),
+                 GetClipRatio(1, 1),
+                 GetClipRatio(4, 3),
+                 GetClipRatio(3, 2),
+                 GetClipRatio(16, 9)];
     }
 }
 
diff --git a/PhotoBrowser/ZLShowGifViewController.h b/PhotoBrowser/ZLShowGifViewController.h
deleted file mode 100644
index 7fc23aa9..00000000
--- a/PhotoBrowser/ZLShowGifViewController.h
+++ /dev/null
@@ -1,17 +0,0 @@
-//
-//  ZLShowGifViewController.h
-//  ZLPhotoBrowser
-//
-//  Created by long on 17/4/19.
-//  Copyright © 2017年 long. All rights reserved.
-//
-
-#import <UIKit/UIKit.h>
-
-@class ZLPhotoModel;
-
-@interface ZLShowGifViewController : UIViewController
-
-@property (nonatomic, strong) ZLPhotoModel *model;
-
-@end
diff --git a/PhotoBrowser/ZLShowGifViewController.m b/PhotoBrowser/ZLShowGifViewController.m
deleted file mode 100644
index a0621a9d..00000000
--- a/PhotoBrowser/ZLShowGifViewController.m
+++ /dev/null
@@ -1,169 +0,0 @@
-//
-//  ZLShowGifViewController.m
-//  ZLPhotoBrowser
-//
-//  Created by long on 17/4/19.
-//  Copyright © 2017年 long. All rights reserved.
-//
-
-#import "ZLShowGifViewController.h"
-#import "ZLDefine.h"
-#import "ZLPhotoModel.h"
-#import "ZLBigImageCell.h"
-#import "ZLPhotoBrowser.h"
-#import "ZLPhotoManager.h"
-#import "ToastUtils.h"
-
-@interface ZLShowGifViewController ()
-
-@property (nonatomic, strong) ZLPreviewImageAndGif *bigImageView;
-@property (nonatomic, strong) UIView *bottomView;
-@property (nonatomic, strong) UILabel *labPhotosBytes;
-@property (nonatomic, strong) UIButton *btnDone;
-@property (nonatomic, assign) UIStatusBarStyle previousStatusBarStyle;
-
-@end
-
-@implementation ZLShowGifViewController
-
-- (void)dealloc
-{
-//    NSLog(@"---- %s", __FUNCTION__);
-}
-
-- (void)viewDidLoad {
-    [super viewDidLoad];
-    
-    [self initUI];
-}
-
-- (void)viewWillAppear:(BOOL)animated
-{
-    [super viewWillAppear:animated];
-    self.previousStatusBarStyle = [UIApplication sharedApplication].statusBarStyle;
-    [UIApplication sharedApplication].statusBarStyle = UIStatusBarStyleLightContent;
-}
-
-- (void)viewWillDisappear:(BOOL)animated
-{
-    [super viewWillDisappear:animated];
-    [UIApplication sharedApplication].statusBarStyle = self.previousStatusBarStyle;
-}
-
-- (void)initUI
-{
-    self.title = [NSBundle zlLocalizedStringForKey:ZLPhotoBrowserGifPreviewText];
-    
-    self.automaticallyAdjustsScrollViewInsets = NO;
-    self.view.backgroundColor = [UIColor blackColor];
-    
-    //left nav btn
-    UIImage *navBackImg = GetImageWithName(@"navBackBtn.png");
-    
-    self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithImage:[navBackImg imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal] style:UIBarButtonItemStylePlain target:self action:@selector(btnBack_Click)];
-    
-    self.bigImageView = [[ZLPreviewImageAndGif alloc] initWithFrame:self.view.bounds];
-    weakify(self);
-    self.bigImageView.singleTapCallBack = ^() {
-        strongify(weakSelf);
-        if (strongSelf.bottomView.hidden) {
-            [strongSelf showNavBarAndBottomView];
-        } else {
-            [strongSelf hideNavBarAndBottomView];
-        }
-    };
-    [self.bigImageView loadGifImage:self.model.asset];
-    [self.view addSubview:self.bigImageView];
-    
-    
-    self.bottomView = [[UIView alloc] initWithFrame:CGRectMake(0, self.view.frame.size.height - 44, kViewWidth, 44)];
-    self.bottomView.backgroundColor = kBottomView_color;
-    [self.view addSubview:_bottomView];
-    
-    self.labPhotosBytes = [[UILabel alloc] initWithFrame:CGRectMake(12, 7, 80, 30)];
-    self.labPhotosBytes.font = [UIFont systemFontOfSize:15];
-    self.labPhotosBytes.textColor = kDoneButton_bgColor;
-    [self.bottomView addSubview:self.labPhotosBytes];
-    
-    self.btnDone = [UIButton buttonWithType:UIButtonTypeCustom];
-    self.btnDone.frame = CGRectMake(kViewWidth - 82, 7, 70, 30);
-    [self.btnDone setTitle:GetLocalLanguageTextValue(ZLPhotoBrowserDoneText) forState:UIControlStateNormal];
-    self.btnDone.titleLabel.font = [UIFont systemFontOfSize:15];
-    self.btnDone.layer.masksToBounds = YES;
-    self.btnDone.layer.cornerRadius = 3.0f;
-    [self.btnDone setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
-    [self.btnDone setBackgroundColor:kDoneButton_bgColor];
-    [self.btnDone addTarget:self action:@selector(btnDone_Click:) forControlEvents:UIControlEventTouchUpInside];
-    [self.bottomView addSubview:self.btnDone];
-    
-    [ZLPhotoManager getPhotosBytesWithArray:@[self.model] completion:^(NSString *photosBytes) {
-        strongify(weakSelf);
-        strongSelf.labPhotosBytes.text = photosBytes;
-    }];
-}
-
-- (void)btnBack_Click
-{
-    UIViewController *vc = [self.navigationController popViewControllerAnimated:YES];
-    if (!vc) {
-        [self.navigationController dismissViewControllerAnimated:YES completion:nil];
-    }
-}
-
-- (void)showNavBarAndBottomView
-{
-    [self.navigationController setNavigationBarHidden:NO animated:YES];
-    [[UIApplication sharedApplication] setStatusBarHidden:NO withAnimation:UIStatusBarAnimationSlide];
-    CGRect frame = _bottomView.frame;
-    frame.origin.y -= frame.size.height;
-    _bottomView.hidden = NO;
-    [UIView animateWithDuration:0.3 animations:^{
-        _bottomView.frame = frame;
-    }];
-}
-
-- (void)hideNavBarAndBottomView
-{
-    [self.navigationController setNavigationBarHidden:YES animated:YES];
-    [[UIApplication sharedApplication] setStatusBarHidden:YES withAnimation:UIStatusBarAnimationSlide];
-    CGRect frame = _bottomView.frame;
-    frame.origin.y += frame.size.height;
-    [UIView animateWithDuration:0.3 animations:^{
-        _bottomView.frame = frame;
-    } completion:^(BOOL finished) {
-        _bottomView.hidden = YES;
-    }];
-}
-
-- (void)btnDone_Click:(UIButton *)btn
-{
-    if (!self.bigImageView.image) {
-        ShowToastLong(@"%@", GetLocalLanguageTextValue(ZLPhotoBrowserLoadingText));
-        return;
-    }
-    if (self.navigationController) {
-        ZLImageNavigationController *nav = (ZLImageNavigationController *)self.navigationController;
-        if (nav.callSelectGifBlock) {
-            nav.callSelectGifBlock(self.bigImageView.image, self.model.asset);
-        }
-    } else {
-        [self dismissViewControllerAnimated:YES completion:nil];
-    }
-}
-
-- (void)didReceiveMemoryWarning {
-    [super didReceiveMemoryWarning];
-    // Dispose of any resources that can be recreated.
-}
-
-/*
-#pragma mark - Navigation
-
-// In a storyboard-based application, you will often want to do a little preparation before navigation
-- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
-    // Get the new view controller using [segue destinationViewController].
-    // Pass the selected object to the new view controller.
-}
-*/
-
-@end
diff --git a/PhotoBrowser/ZLShowLivePhotoViewController.h b/PhotoBrowser/ZLShowLivePhotoViewController.h
deleted file mode 100644
index 71a6cb83..00000000
--- a/PhotoBrowser/ZLShowLivePhotoViewController.h
+++ /dev/null
@@ -1,17 +0,0 @@
-//
-//  ZLShowLivePhotoViewController.h
-//  ZLPhotoBrowser
-//
-//  Created by long on 2017/6/17.
-//  Copyright © 2017年 long. All rights reserved.
-//
-
-#import <UIKit/UIKit.h>
-
-@class ZLPhotoModel;
-
-@interface ZLShowLivePhotoViewController : UIViewController
-
-@property (nonatomic, strong) ZLPhotoModel *model;
-
-@end
diff --git a/PhotoBrowser/ZLShowLivePhotoViewController.m b/PhotoBrowser/ZLShowLivePhotoViewController.m
deleted file mode 100644
index f847effe..00000000
--- a/PhotoBrowser/ZLShowLivePhotoViewController.m
+++ /dev/null
@@ -1,186 +0,0 @@
-//
-//  ZLShowLivePhotoViewController.m
-//  ZLPhotoBrowser
-//
-//  Created by long on 2017/6/17.
-//  Copyright © 2017年 long. All rights reserved.
-//
-
-#import "ZLShowLivePhotoViewController.h"
-#import <PhotosUI/PhotosUI.h>
-#import "ZLDefine.h"
-#import "ZLPhotoManager.h"
-#import "ZLPhotoModel.h"
-#import "ZLPhotoBrowser.h"
-
-@interface ZLShowLivePhotoViewController ()
-
-@property (nonatomic, strong) PHLivePhotoView *lpView;
-
-@property (nonatomic, strong) UIImage *coverImage;
-@property (nonatomic, strong) UIView *bottomView;
-@property (nonatomic, strong) UILabel *labVideoBytes;
-@property (nonatomic, strong) UIButton *btnDone;
-
-@property (nonatomic, assign) UIStatusBarStyle previousStatusBarStyle;
-
-@end
-
-@implementation ZLShowLivePhotoViewController
-
-- (void)dealloc
-{
-//    NSLog(@"---- %s", __FUNCTION__);
-}
-
-- (void)viewDidLoad {
-    [super viewDidLoad];
-    
-    self.title = [NSBundle zlLocalizedStringForKey:ZLPhotoBrowserLivePhotoPreviewText];
-    //left nav btn
-    UIImage *navBackImg = GetImageWithName(@"navBackBtn.png");
-    
-    self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithImage:[navBackImg imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal] style:UIBarButtonItemStylePlain target:self action:@selector(btnBack_Click)];
-    
-    self.view.backgroundColor = [UIColor blackColor];
-    [self requestLivePhoto];
-}
-
-- (void)viewWillAppear:(BOOL)animated
-{
-    [super viewWillAppear:animated];
-    self.previousStatusBarStyle = [UIApplication sharedApplication].statusBarStyle;
-    [UIApplication sharedApplication].statusBarStyle = UIStatusBarStyleLightContent;
-}
-
-- (void)viewWillDisappear:(BOOL)animated
-{
-    [super viewWillDisappear:animated];
-    [UIApplication sharedApplication].statusBarStyle = self.previousStatusBarStyle;
-}
-
-- (void)btnBack_Click
-{
-    UIViewController *vc = [self.navigationController popViewControllerAnimated:YES];
-    if (!vc) {
-        [self.navigationController dismissViewControllerAnimated:YES completion:nil];
-    }
-}
-
-- (void)requestLivePhoto
-{
-    weakify(self);
-    [ZLPhotoManager requestLivePhotoForAsset:self.model.asset completion:^(PHLivePhoto *lv, NSDictionary *info) {
-        strongify(weakSelf);
-        if (lv) {
-            [strongSelf initUI];
-            strongSelf.lpView.livePhoto = lv;
-            [strongSelf.lpView startPlaybackWithStyle:PHLivePhotoViewPlaybackStyleFull];
-        }
-    }];
-}
-
-- (void)initUI
-{
-    self.lpView = [[PHLivePhotoView alloc] initWithFrame:self.view.bounds];
-    self.lpView.contentMode = UIViewContentModeScaleAspectFit;
-    [self.view addSubview:self.lpView];
-    
-    self.bottomView = [[UIView alloc] initWithFrame:CGRectMake(0, self.view.frame.size.height - 44, kViewWidth, 44)];
-    self.bottomView.backgroundColor = kBottomView_color;
-    
-    [self.view addSubview:_bottomView];
-    
-    self.labVideoBytes = [[UILabel alloc] initWithFrame:CGRectMake(12, 7, 80, 30)];
-    self.labVideoBytes.font = [UIFont systemFontOfSize:15];
-    self.labVideoBytes.textColor = kDoneButton_bgColor;
-    [self.bottomView addSubview:self.labVideoBytes];
-    
-    self.btnDone = [UIButton buttonWithType:UIButtonTypeCustom];
-    self.btnDone.frame = CGRectMake(kViewWidth - 82, 7, 70, 30);
-    [self.btnDone setTitle:GetLocalLanguageTextValue(ZLPhotoBrowserDoneText) forState:UIControlStateNormal];
-    self.btnDone.titleLabel.font = [UIFont systemFontOfSize:15];
-    self.btnDone.layer.masksToBounds = YES;
-    self.btnDone.layer.cornerRadius = 3.0f;
-    [self.btnDone setTitleColor:kDoneButton_textColor forState:UIControlStateNormal];
-    [self.btnDone setBackgroundColor:kDoneButton_bgColor];
-    [self.btnDone addTarget:self action:@selector(btnDone_Click:) forControlEvents:UIControlEventTouchUpInside];
-    [self.bottomView addSubview:self.btnDone];
-    
-    UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapAction)];
-    [self.view addGestureRecognizer:tap];
-    
-    weakify(self);
-    [ZLPhotoManager getPhotosBytesWithArray:@[self.model] completion:^(NSString *photosBytes) {
-        strongify(weakSelf);
-        strongSelf.labVideoBytes.text = photosBytes;
-    }];
-    [ZLPhotoManager requestOriginalImageForAsset:self.model.asset completion:^(UIImage *image, NSDictionary *info) {
-        if ([[info objectForKey:PHImageResultIsDegradedKey] boolValue]) return;
-        strongify(weakSelf);
-        strongSelf.coverImage = image;
-    }];
-}
-
-- (void)btnDone_Click:(UIButton *)btn
-{
-    if (self.navigationController) {
-        ZLImageNavigationController *nav = (ZLImageNavigationController *)self.navigationController;
-        if (nav.callSelectLivePhotoBlock) {
-            nav.callSelectLivePhotoBlock(self.coverImage, self.model.asset);
-        }
-    } else {
-        [self dismissViewControllerAnimated:YES completion:nil];
-    }
-}
-
-- (void)tapAction
-{
-    if (self.bottomView.hidden) {
-        [self showNavBarAndBottomView];
-    } else {
-        [self hideNavBarAndBottomView];
-    }
-}
-
-- (void)showNavBarAndBottomView
-{
-    [self.navigationController setNavigationBarHidden:NO animated:YES];
-    [[UIApplication sharedApplication] setStatusBarHidden:NO withAnimation:UIStatusBarAnimationSlide];
-    CGRect frame = _bottomView.frame;
-    frame.origin.y -= frame.size.height;
-    _bottomView.hidden = NO;
-    [UIView animateWithDuration:0.3 animations:^{
-        _bottomView.frame = frame;
-    }];
-}
-
-- (void)hideNavBarAndBottomView
-{
-    [self.navigationController setNavigationBarHidden:YES animated:YES];
-    [[UIApplication sharedApplication] setStatusBarHidden:YES withAnimation:UIStatusBarAnimationSlide];
-    CGRect frame = _bottomView.frame;
-    frame.origin.y += frame.size.height;
-    [UIView animateWithDuration:0.3 animations:^{
-        _bottomView.frame = frame;
-    } completion:^(BOOL finished) {
-        _bottomView.hidden = YES;
-    }];
-}
-
-- (void)didReceiveMemoryWarning {
-    [super didReceiveMemoryWarning];
-    // Dispose of any resources that can be recreated.
-}
-
-/*
-#pragma mark - Navigation
-
-// In a storyboard-based application, you will often want to do a little preparation before navigation
-- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
-    // Get the new view controller using [segue destinationViewController].
-    // Pass the selected object to the new view controller.
-}
-*/
-
-@end
diff --git a/PhotoBrowser/ZLShowVideoViewController.h b/PhotoBrowser/ZLShowVideoViewController.h
deleted file mode 100644
index ce27dfbb..00000000
--- a/PhotoBrowser/ZLShowVideoViewController.h
+++ /dev/null
@@ -1,17 +0,0 @@
-//
-//  ZLShowVideoViewController.h
-//  ZLPhotoBrowser
-//
-//  Created by long on 17/4/20.
-//  Copyright © 2017年 long. All rights reserved.
-//
-
-#import <UIKit/UIKit.h>
-
-@class ZLPhotoModel;
-
-@interface ZLShowVideoViewController : UIViewController
-
-@property (nonatomic, strong) ZLPhotoModel *model;
-
-@end
diff --git a/PhotoBrowser/ZLShowVideoViewController.m b/PhotoBrowser/ZLShowVideoViewController.m
deleted file mode 100644
index 879f1fa8..00000000
--- a/PhotoBrowser/ZLShowVideoViewController.m
+++ /dev/null
@@ -1,248 +0,0 @@
-//
-//  ZLShowVideoViewController.m
-//  ZLPhotoBrowser
-//
-//  Created by long on 17/4/20.
-//  Copyright © 2017年 long. All rights reserved.
-//
-
-#import "ZLShowVideoViewController.h"
-#import <AVFoundation/AVFoundation.h>
-#import "ZLPhotoModel.h"
-#import "ZLDefine.h"
-#import "ZLPhotoManager.h"
-#import "ZLPhotoBrowser.h"
-
-@interface ZLShowVideoViewController ()
-
-@property (nonatomic, strong) AVPlayerLayer *playLayer;
-@property (nonatomic, strong) UIImage *coverImage;
-@property (nonatomic, strong) UIButton *playBtn;
-@property (nonatomic, strong) UIView *bottomView;
-@property (nonatomic, strong) UIButton *btnDone;
-
-@property (nonatomic, strong) UILabel *icloudLoadFailedLabel;
-@property (nonatomic, assign) UIStatusBarStyle previousStatusBarStyle;
-@end
-
-@implementation ZLShowVideoViewController
-
-- (void)dealloc
-{
-    [[NSNotificationCenter defaultCenter] removeObserver:self];
-//    NSLog(@"---- %s", __FUNCTION__);
-}
-
-- (void)viewDidLoad {
-    [super viewDidLoad];
-    
-    self.title = [NSBundle zlLocalizedStringForKey:ZLPhotoBrowserVideoPreviewText];
-    //left nav btn
-    UIImage *navBackImg = GetImageWithName(@"navBackBtn.png");
-    
-    self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithImage:[navBackImg imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal] style:UIBarButtonItemStylePlain target:self action:@selector(btnBack_Click)];
-    
-    self.view.backgroundColor = [UIColor blackColor];
-    [self requestPlayItem];
-}
-
-- (void)viewWillAppear:(BOOL)animated
-{
-    [super viewWillAppear:animated];
-    self.previousStatusBarStyle = [UIApplication sharedApplication].statusBarStyle;
-    [UIApplication sharedApplication].statusBarStyle = UIStatusBarStyleLightContent;
-}
-
-- (void)viewWillDisappear:(BOOL)animated
-{
-    [super viewWillDisappear:animated];
-    [UIApplication sharedApplication].statusBarStyle = self.previousStatusBarStyle;
-}
-
-- (void)requestPlayItem
-{
-    if ([ZLPhotoManager judgeAssetisInLocalAblum:self.model.asset]) {
-        weakify(self);
-        [ZLPhotoManager requestVideoForAsset:self.model.asset completion:^(AVPlayerItem *item, NSDictionary *info) {
-            dispatch_async(dispatch_get_main_queue(), ^{
-                strongify(weakSelf);
-                if (!item) {
-                    [strongSelf initVideoLoadFailedFromiCloudUI];
-                    return;
-                }
-                [strongSelf initUI];
-                AVPlayer *player = [AVPlayer playerWithPlayerItem:item];
-                strongSelf.playLayer.player = player;
-                [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(playFinished:) name:AVPlayerItemDidPlayToEndTimeNotification object:player.currentItem];
-            });
-        }];
-    } else {
-        [self initVideoLoadFailedFromiCloudUI];
-    }
-}
-
-- (void)btnBack_Click
-{
-    UIViewController *vc = [self.navigationController popViewControllerAnimated:YES];
-    if (!vc) {
-        [self.navigationController dismissViewControllerAnimated:YES completion:nil];
-    }
-}
-
-- (void)initUI
-{
-    self.playLayer = [[AVPlayerLayer alloc] init];
-    self.playLayer.frame = self.view.bounds;
-    [self.view.layer addSublayer:self.playLayer];
-    
-    self.bottomView = [[UIView alloc] initWithFrame:CGRectMake(0, self.view.frame.size.height - 44, kViewWidth, 44)];
-    self.bottomView.backgroundColor = kBottomView_color;
-    
-    [self.view addSubview:_bottomView];
-    
-    self.btnDone = [UIButton buttonWithType:UIButtonTypeCustom];
-    self.btnDone.frame = CGRectMake(kViewWidth - 82, 7, 70, 30);
-    [self.btnDone setTitle:GetLocalLanguageTextValue(ZLPhotoBrowserDoneText) forState:UIControlStateNormal];
-    self.btnDone.titleLabel.font = [UIFont systemFontOfSize:15];
-    self.btnDone.layer.masksToBounds = YES;
-    self.btnDone.layer.cornerRadius = 3.0f;
-    [self.btnDone setTitleColor:kDoneButton_textColor forState:UIControlStateNormal];
-    [self.btnDone setBackgroundColor:kDoneButton_bgColor];
-    [self.btnDone addTarget:self action:@selector(btnDone_Click:) forControlEvents:UIControlEventTouchUpInside];
-    [self.bottomView addSubview:self.btnDone];
-    
-    self.playBtn = [UIButton buttonWithType:UIButtonTypeCustom];
-    [self.playBtn setBackgroundImage:GetImageWithName(@"playVideo") forState:UIControlStateNormal];
-    self.playBtn.frame = CGRectMake(0, 0, 80, 80);
-    self.playBtn.center = self.view.center;
-    [self.playBtn addTarget:self action:@selector(playBtnClick) forControlEvents:UIControlEventTouchUpInside];
-    [self.view addSubview:self.playBtn];
-    
-    UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(playBtnClick)];
-    [self.view addGestureRecognizer:tap];
-    
-    weakify(self);
-    [ZLPhotoManager requestOriginalImageForAsset:self.model.asset completion:^(UIImage *image, NSDictionary *info) {
-        if ([[info objectForKey:PHImageResultIsDegradedKey] boolValue]) return;
-        strongify(weakSelf);
-        strongSelf.coverImage = image;
-    }];
-}
-
-- (void)initVideoLoadFailedFromiCloudUI
-{
-    self.view.backgroundColor = [UIColor blackColor];
-    
-    NSMutableAttributedString *str = [[NSMutableAttributedString alloc] init];
-    //创建图片附件
-    NSTextAttachment *attach = [[NSTextAttachment alloc]init];
-    attach.image = GetImageWithName(@"videoLoadFailed");
-    attach.bounds = CGRectMake(0, -10, 30, 30);
-    //创建属性字符串 通过图片附件
-    NSAttributedString *attrStr = [NSAttributedString attributedStringWithAttachment:attach];
-    //把NSAttributedString添加到NSMutableAttributedString里面
-    [str appendAttributedString:attrStr];
-    
-    NSAttributedString *lastStr = [[NSAttributedString alloc] initWithString:[NSBundle zlLocalizedStringForKey:ZLPhotoBrowseriCloudVideoText]];
-    [str appendAttributedString:lastStr];
-    self.icloudLoadFailedLabel = [[UILabel alloc] initWithFrame:CGRectMake(5, 70, 200, 35)];
-    self.icloudLoadFailedLabel.font = [UIFont systemFontOfSize:12];
-    self.icloudLoadFailedLabel.attributedText = str;
-    self.icloudLoadFailedLabel.textColor = [UIColor whiteColor];
-    [self.view addSubview:self.icloudLoadFailedLabel];
-    
-    self.playBtn = [UIButton buttonWithType:UIButtonTypeCustom];
-    [self.playBtn setBackgroundImage:GetImageWithName(@"playVideo") forState:UIControlStateNormal];
-    self.playBtn.frame = CGRectMake(0, 0, 80, 80);
-    self.playBtn.center = self.view.center;
-    self.playBtn.enabled = NO;
-    [self.view addSubview:self.playBtn];
-    
-    UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapAction)];
-    [self.view addGestureRecognizer:tap];
-}
-
-- (void)tapAction
-{
-    if (self.navigationController.navigationBar.hidden) {
-        [self showNavBarAndBottomView];
-    } else {
-        [self hideNavBarAndBottomView];
-    }
-}
-
-- (void)btnDone_Click:(UIButton *)btn
-{
-    if (self.navigationController) {
-        ZLImageNavigationController *nav = (ZLImageNavigationController *)self.navigationController;
-        if (nav.callSelectVideoBlock) {
-            nav.callSelectVideoBlock(self.coverImage, self.model.asset);
-        }
-    } else {
-        [self dismissViewControllerAnimated:YES completion:nil];
-    }
-}
-
-- (void)playBtnClick
-{
-    AVPlayer *player = self.playLayer.player;
-    CMTime stop = player.currentItem.currentTime;
-    CMTime duration = player.currentItem.duration;
-    if (player.rate == .0) {
-        if (stop.value == duration.value) {
-            [player.currentItem seekToTime:CMTimeMake(0, 1)];
-        }
-        [player play];
-        [self hideNavBarAndBottomView];
-    } else {
-        [player pause];
-        [self showNavBarAndBottomView];
-    }
-}
-
-- (void)playFinished:(AVPlayerItem *)item
-{
-    [self.playLayer.player seekToTime:kCMTimeZero];
-    [self showNavBarAndBottomView];
-}
-
-- (void)showNavBarAndBottomView
-{
-    self.playBtn.hidden = NO;
-    [self.navigationController setNavigationBarHidden:NO animated:YES];
-    [[UIApplication sharedApplication] setStatusBarHidden:NO withAnimation:UIStatusBarAnimationSlide];
-    CGRect frame = _bottomView.frame;
-    frame.origin.y -= frame.size.height;
-    [UIView animateWithDuration:0.3 animations:^{
-        _bottomView.frame = frame;
-    }];
-}
-
-- (void)hideNavBarAndBottomView
-{
-    self.playBtn.hidden = YES;
-    [self.navigationController setNavigationBarHidden:YES animated:YES];
-    [[UIApplication sharedApplication] setStatusBarHidden:YES withAnimation:UIStatusBarAnimationSlide];
-    CGRect frame = _bottomView.frame;
-    frame.origin.y += frame.size.height;
-    [UIView animateWithDuration:0.3 animations:^{
-        _bottomView.frame = frame;
-    }];
-}
-
-- (void)didReceiveMemoryWarning {
-    [super didReceiveMemoryWarning];
-    // Dispose of any resources that can be recreated.
-}
-
-/*
-#pragma mark - Navigation
-
-// In a storyboard-based application, you will often want to do a little preparation before navigation
-- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
-    // Get the new view controller using [segue destinationViewController].
-    // Pass the selected object to the new view controller.
-}
-*/
-
-@end
diff --git a/PhotoBrowser/ZLThumbnailViewController.m b/PhotoBrowser/ZLThumbnailViewController.m
index ac9eb8a8..70595b10 100644
--- a/PhotoBrowser/ZLThumbnailViewController.m
+++ b/PhotoBrowser/ZLThumbnailViewController.m
@@ -16,9 +16,6 @@
 #import "ZLPhotoBrowser.h"
 #import "ToastUtils.h"
 #import "ZLProgressHUD.h"
-#import "ZLShowGifViewController.h"
-#import "ZLShowVideoViewController.h"
-#import "ZLShowLivePhotoViewController.h"
 #import "ZLForceTouchPreviewController.h"
 #import "ZLEditViewController.h"
 
@@ -29,6 +26,8 @@ @interface ZLThumbnailViewController () <UICollectionViewDataSource, UICollectio
     
     //设备旋转前的第一个可视indexPath
     NSIndexPath *_visibleIndexPath;
+    //是否切换横竖屏
+    BOOL _switchOrientation;
 }
 
 @property (nonatomic, strong) NSMutableArray<ZLPhotoModel *> *arrDataSources;
@@ -102,11 +101,10 @@ - (void)viewDidLayoutSubviews
 {
     [super viewDidLayoutSubviews];
     
-    NSLog(@"%f, %f", kViewWidth, kViewHeight);
-    
     if (!_isLayoutOK) {
         [self scrollToBottom];
-    } else {
+    } else if (_switchOrientation) {
+        _switchOrientation = NO;
         [self.collectionView scrollToItemAtIndexPath:_visibleIndexPath atScrollPosition:UICollectionViewScrollPositionTop animated:NO];
     }
 }
@@ -116,6 +114,7 @@ - (void)deviceOrientationChanged:(NSNotification *)notify
 {
     CGPoint pInView = [self.view convertPoint:CGPointMake(0, 70) toView:self.collectionView];
     _visibleIndexPath = [self.collectionView indexPathForItemAtPoint:pInView];
+    _switchOrientation = YES;
 }
 
 - (BOOL)forceTouchAvailable
@@ -381,18 +380,19 @@ - (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cell
                 }
             }
         }
-//        [collectionView reloadItemsAtIndexPaths:[collectionView indexPathsForVisibleItems]];
+        
+        if (weakNav.showSelectedMask) {
+            strongCell.topView.hidden = !model.isSelected;
+        }
         [strongSelf resetBottomBtnsStatus];
     };
-////    cell.isSelectedImage = ^BOOL() {
-////        strongify(weakSelf);
-////        ZLImageNavigationController *nav = (ZLImageNavigationController *)strongSelf.navigationController;
-////        return nav.arrSelectedModels.count > 0;
-////    };
+    
     cell.allSelectGif = nav.allowSelectGif;
     cell.allSelectLivePhoto = nav.allowSelectLivePhoto;
     cell.showSelectBtn = nav.showSelectBtn;
     cell.cornerRadio = nav.cellCornerRadio;
+    cell.showMask = nav.showSelectedMask;
+    cell.maskColor = nav.selectedMaskColor;
     cell.model = model;
 
     return cell;
diff --git a/README.md b/README.md
index 728f6987..97c7ef75 100644
--- a/README.md
+++ b/README.md
@@ -25,14 +25,16 @@
 - [x] 裁剪图片(可自定义裁剪比例)
 - [x] 多语言国际化(中文简/繁、英文、日文)
 - [x] 相册内拍照按钮实时显示镜头捕捉画面
+- [x] 已选择图片遮罩层标记
 - [x] 预览已选择照片
-- [x] 自定义圆角弧度
+- [x] 相册内图片自定义圆角弧度
 - [x] 自定义升序降序排列
 - [x] 多张拍照
  
 ### 更新日志
 ```
-● 2.3.2: 新增设置导航颜色api，初步适配横屏，适配iPad;
+● 2.3.3: 删除废弃文件，新增在已选择图片上显示遮罩层标记功能;
+● 2.3.2: 新增设置导航颜色api，适配横屏，适配iPad;
 ● 2.2.9: 新增单选模式下选择图片后直接进入编辑界面功能，提供设置裁剪比例api;
 ● 2.2.8: 更新编辑图片功能，增加裁剪比例选项(1:1, 3:4, 2:3, 9:16,等比例，开发者可根据需求，按照规则自行添加所需比例);
 ● 2.2.6: ①：可混合选择image、gif、livephoto、video类型;
@@ -96,39 +98,54 @@ actionSheet.sender = self;
 ![image](https://github.com/longitachi/ZLPhotoBrowser/blob/master/效果图/zh-hant.png)
 
 - 3DTouch预览效果图
+
 ![image](https://github.com/longitachi/ZLPhotoBrowser/blob/master/效果图/forceTouch.gif)
 
 - 编辑功能预览图
+
 ![image](https://github.com/longitachi/ZLPhotoBrowser/blob/master/效果图/edit.gif)
 
 - 混合选择预览图
+
 ![image](https://github.com/longitachi/ZLPhotoBrowser/blob/master/效果图/mixSelect.gif)
 
 - 横屏预览图
+
 ![image](https://github.com/longitachi/ZLPhotoBrowser/blob/master/效果图/landscape.gif)
 
+- 遮罩层
+
+![image](https://github.com/longitachi/ZLPhotoBrowser/blob/master/效果图/selectmask.gif)
+
 - 预览快速多选效果图
+
 ![image](https://github.com/longitachi/ZLPhotoBrowser/blob/master/效果图/预览图快速选择.gif)
 ![image](https://github.com/longitachi/ZLPhotoBrowser/blob/master/效果图/预览大图快速选择.gif)
 
 - 直接进入相册选择相片效果图
+
 ![image](https://github.com/longitachi/ZLPhotoBrowser/blob/master/效果图/直接进入相册选择相片.gif)
 
 - 预览大图及缩放效果图
+
 ![image](https://github.com/longitachi/ZLPhotoBrowser/blob/master/效果图/查看大图支持缩放.gif)
 ![image](https://github.com/longitachi/ZLPhotoBrowser/blob/master/效果图/预览选择gif.gif)
 ![image](https://github.com/longitachi/ZLPhotoBrowser/blob/master/效果图/预览选择视频.gif)
 
 - 拍照
+
 ![image](https://github.com/longitachi/ZLPhotoBrowser/blob/master/效果图/相册内部拍照.gif)
 
 - 相册内混合选择效果图
+
 ![image](https://github.com/longitachi/ZLPhotoBrowser/blob/master/效果图/相册内混合选择.gif)
 
 - 预览已选择照片效果图
+
 ![image](https://github.com/longitachi/ZLPhotoBrowser/blob/master/效果图/预览已选择照片.gif)
 ![image](https://github.com/longitachi/ZLPhotoBrowser/blob/master/效果图/预览确定选择的照片.gif)
 
 - 原图功能效果图
+
 ![image](https://github.com/longitachi/ZLPhotoBrowser/blob/master/效果图/原图功能.gif)
 
diff --git a/ZLPhotoBrowser.podspec b/ZLPhotoBrowser.podspec
index 7911b111..8857260c 100644
--- a/ZLPhotoBrowser.podspec
+++ b/ZLPhotoBrowser.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = 'ZLPhotoBrowser'
-  s.version      = '2.3.2'
+  s.version      = '2.3.3'
   s.summary      = 'An easy way to Multiselect photos,video,gif,livephoto from ablum, force touch to preview image, support portrait and landscape, multiple languages (Chinese, English, Japanese ...)'
   s.homepage     = 'https://github.com/longitachi/ZLPhotoBrowser'
   s.license      = 'MIT'
diff --git a/ZLPhotoBrowser.xcodeproj/project.pbxproj b/ZLPhotoBrowser.xcodeproj/project.pbxproj
index cc61b47c..e0e05ded 100644
--- a/ZLPhotoBrowser.xcodeproj/project.pbxproj
+++ b/ZLPhotoBrowser.xcodeproj/project.pbxproj
@@ -38,9 +38,6 @@
 		FD22D71F1E9E25D1008FCC4E /* ZLPhotoModel.m in Sources */ = {isa = PBXBuildFile; fileRef = FD22D71E1E9E25D1008FCC4E /* ZLPhotoModel.m */; };
 		FD22D7221E9E2EDC008FCC4E /* ZLPhotoManager.m in Sources */ = {isa = PBXBuildFile; fileRef = FD22D7211E9E2EDC008FCC4E /* ZLPhotoManager.m */; };
 		FD3771191DB8C04B00CAD645 /* NSBundle+ZLPhotoBrowser.m in Sources */ = {isa = PBXBuildFile; fileRef = FD3771181DB8C04B00CAD645 /* NSBundle+ZLPhotoBrowser.m */; };
-		FD6CFD641F273C6F00E17861 /* ZLShowGifViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = FD6CFD5F1F273C6F00E17861 /* ZLShowGifViewController.m */; };
-		FD6CFD651F273C6F00E17861 /* ZLShowLivePhotoViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = FD6CFD611F273C6F00E17861 /* ZLShowLivePhotoViewController.m */; };
-		FD6CFD661F273C6F00E17861 /* ZLShowVideoViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = FD6CFD631F273C6F00E17861 /* ZLShowVideoViewController.m */; };
 		FD7852511EF4FD5300C69E84 /* PhotosUI.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = FD7852501EF4FD5300C69E84 /* PhotosUI.framework */; };
 		FD7B52731EFCB81600FB9087 /* ZLEditViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = FD7B52721EFCB81600FB9087 /* ZLEditViewController.m */; };
 		FD92FA6D1F32B4CE00D7B8C1 /* UIButton+EnlargeTouchArea.m in Sources */ = {isa = PBXBuildFile; fileRef = FD92FA6C1F32B4CE00D7B8C1 /* UIButton+EnlargeTouchArea.m */; };
@@ -100,12 +97,6 @@
 		FD22D7211E9E2EDC008FCC4E /* ZLPhotoManager.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ZLPhotoManager.m; sourceTree = "<group>"; };
 		FD3771171DB8C04B00CAD645 /* NSBundle+ZLPhotoBrowser.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "NSBundle+ZLPhotoBrowser.h"; sourceTree = "<group>"; };
 		FD3771181DB8C04B00CAD645 /* NSBundle+ZLPhotoBrowser.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "NSBundle+ZLPhotoBrowser.m"; sourceTree = "<group>"; };
-		FD6CFD5E1F273C6F00E17861 /* ZLShowGifViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ZLShowGifViewController.h; sourceTree = "<group>"; };
-		FD6CFD5F1F273C6F00E17861 /* ZLShowGifViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ZLShowGifViewController.m; sourceTree = "<group>"; };
-		FD6CFD601F273C6F00E17861 /* ZLShowLivePhotoViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ZLShowLivePhotoViewController.h; sourceTree = "<group>"; };
-		FD6CFD611F273C6F00E17861 /* ZLShowLivePhotoViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ZLShowLivePhotoViewController.m; sourceTree = "<group>"; };
-		FD6CFD621F273C6F00E17861 /* ZLShowVideoViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ZLShowVideoViewController.h; sourceTree = "<group>"; };
-		FD6CFD631F273C6F00E17861 /* ZLShowVideoViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ZLShowVideoViewController.m; sourceTree = "<group>"; };
 		FD7852501EF4FD5300C69E84 /* PhotosUI.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = PhotosUI.framework; path = System/Library/Frameworks/PhotosUI.framework; sourceTree = SDKROOT; };
 		FD7B52711EFCB81600FB9087 /* ZLEditViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ZLEditViewController.h; sourceTree = "<group>"; };
 		FD7B52721EFCB81600FB9087 /* ZLEditViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ZLEditViewController.m; sourceTree = "<group>"; };
@@ -161,12 +152,6 @@
 				FD028BAE1CBE33BB009DD2FC /* ZLNoAuthorityViewController.m */,
 				FD028BBB1CBE33BB009DD2FC /* ZLShowBigImgViewController.h */,
 				FD028BBC1CBE33BB009DD2FC /* ZLShowBigImgViewController.m */,
-				FD6CFD5E1F273C6F00E17861 /* ZLShowGifViewController.h */,
-				FD6CFD5F1F273C6F00E17861 /* ZLShowGifViewController.m */,
-				FD6CFD601F273C6F00E17861 /* ZLShowLivePhotoViewController.h */,
-				FD6CFD611F273C6F00E17861 /* ZLShowLivePhotoViewController.m */,
-				FD6CFD621F273C6F00E17861 /* ZLShowVideoViewController.h */,
-				FD6CFD631F273C6F00E17861 /* ZLShowVideoViewController.m */,
 				FD028BBD1CBE33BB009DD2FC /* ZLThumbnailViewController.h */,
 				FD028BBE1CBE33BB009DD2FC /* ZLThumbnailViewController.m */,
 				FDD979E41EF8F35700DD9DA4 /* ZLForceTouchPreviewController.h */,
@@ -340,11 +325,9 @@
 			buildActionMask = 2147483647;
 			files = (
 				FDD979E61EF8F35700DD9DA4 /* ZLForceTouchPreviewController.m in Sources */,
-				FD6CFD641F273C6F00E17861 /* ZLShowGifViewController.m in Sources */,
 				FD028BD31CBE33BB009DD2FC /* ToastUtils.m in Sources */,
 				FD028BD51CBE33BB009DD2FC /* ZLBigImageCell.m in Sources */,
 				FD0787281C0D45A200D17B97 /* ViewController.m in Sources */,
-				FD6CFD661F273C6F00E17861 /* ZLShowVideoViewController.m in Sources */,
 				FD7B52731EFCB81600FB9087 /* ZLEditViewController.m in Sources */,
 				FD028BD71CBE33BB009DD2FC /* ZLNoAuthorityViewController.m in Sources */,
 				FDD979E31EF8C62300DD9DA4 /* ImageCell.m in Sources */,
@@ -358,7 +341,6 @@
 				FD0787221C0D45A200D17B97 /* main.m in Sources */,
 				FD028BDC1CBE33BB009DD2FC /* ZLProgressHUD.m in Sources */,
 				FD028BD81CBE33BB009DD2FC /* ZLPhotoActionSheet.m in Sources */,
-				FD6CFD651F273C6F00E17861 /* ZLShowLivePhotoViewController.m in Sources */,
 				FD028BDE1CBE33BB009DD2FC /* ZLShowBigImgViewController.m in Sources */,
 				FD22D7221E9E2EDC008FCC4E /* ZLPhotoManager.m in Sources */,
 				FDDB9EBA1E6D2EF6008ED9F1 /* YYWeakProxy.m in Sources */,
diff --git a/ZLPhotoBrowser/Base.lproj/Main.storyboard b/ZLPhotoBrowser/Base.lproj/Main.storyboard
index c2397b95..7dad167f 100644
--- a/ZLPhotoBrowser/Base.lproj/Main.storyboard
+++ b/ZLPhotoBrowser/Base.lproj/Main.storyboard
@@ -39,7 +39,7 @@
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
                             <collectionView clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" dataMode="prototypes" translatesAutoresizingMaskIntoConstraints="NO" id="o85-e2-mBb">
-                                <rect key="frame" x="0.0" y="433" width="375" height="234"/>
+                                <rect key="frame" x="0.0" y="431" width="375" height="236"/>
                                 <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                 <collectionViewFlowLayout key="collectionViewLayout" minimumLineSpacing="10" minimumInteritemSpacing="10" id="DUd-zh-ixV">
                                     <size key="itemSize" width="50" height="50"/>
@@ -54,52 +54,52 @@
                                 </connections>
                             </collectionView>
                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="允许选择照片：" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="0LY-v4-YJP">
-                                <rect key="frame" x="0.0" y="111" width="130" height="17"/>
+                                <rect key="frame" x="0.0" y="109" width="130" height="17"/>
                                 <fontDescription key="fontDescription" type="system" pointSize="14"/>
                                 <nil key="textColor"/>
                                 <nil key="highlightedColor"/>
                             </label>
                             <switch opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" contentHorizontalAlignment="center" contentVerticalAlignment="center" on="YES" translatesAutoresizingMaskIntoConstraints="NO" id="BwK-18-13Q">
-                                <rect key="frame" x="130" y="104" width="51" height="31"/>
+                                <rect key="frame" x="130" y="102" width="51" height="31"/>
                                 <connections>
                                     <action selector="valueChanged:" destination="BYZ-38-t0r" eventType="valueChanged" id="rWf-kI-i3b"/>
                                 </connections>
                             </switch>
                             <switch opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" contentHorizontalAlignment="center" contentVerticalAlignment="center" on="YES" translatesAutoresizingMaskIntoConstraints="NO" id="6xI-Sj-Yic">
-                                <rect key="frame" x="278" y="104" width="51" height="31"/>
+                                <rect key="frame" x="278" y="102" width="51" height="31"/>
                                 <connections>
                                     <action selector="valueChanged:" destination="BYZ-38-t0r" eventType="valueChanged" id="QZ1-oW-LmX"/>
                                 </connections>
                             </switch>
                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="GIF：" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="P8J-cR-sod">
-                                <rect key="frame" x="194" y="111" width="36.5" height="17"/>
+                                <rect key="frame" x="194" y="109" width="36.5" height="17"/>
                                 <fontDescription key="fontDescription" type="system" pointSize="14"/>
                                 <nil key="textColor"/>
                                 <nil key="highlightedColor"/>
                             </label>
                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Video：" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="UCZ-0U-zgB">
-                                <rect key="frame" x="78.5" y="147" width="51.5" height="17"/>
+                                <rect key="frame" x="78.5" y="145" width="51.5" height="17"/>
                                 <fontDescription key="fontDescription" type="system" pointSize="14"/>
                                 <nil key="textColor"/>
                                 <nil key="highlightedColor"/>
                             </label>
                             <switch opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" contentHorizontalAlignment="center" contentVerticalAlignment="center" on="YES" translatesAutoresizingMaskIntoConstraints="NO" id="uNM-gP-QYz">
-                                <rect key="frame" x="130" y="140" width="51" height="31"/>
+                                <rect key="frame" x="130" y="138" width="51" height="31"/>
                                 <connections>
                                     <action selector="valueChanged:" destination="BYZ-38-t0r" eventType="valueChanged" id="fPK-8D-boN"/>
                                 </connections>
                             </switch>
                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="相册内部拍照：" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="LjF-dH-WXK">
-                                <rect key="frame" x="30" y="183" width="100" height="17"/>
+                                <rect key="frame" x="30" y="181" width="100" height="17"/>
                                 <fontDescription key="fontDescription" type="system" pointSize="14"/>
                                 <nil key="textColor"/>
                                 <nil key="highlightedColor"/>
                             </label>
                             <switch opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" contentHorizontalAlignment="center" contentVerticalAlignment="center" on="YES" translatesAutoresizingMaskIntoConstraints="NO" id="hPV-Y9-eQj">
-                                <rect key="frame" x="130" y="176" width="51" height="31"/>
+                                <rect key="frame" x="130" y="174" width="51" height="31"/>
                             </switch>
                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="照片排列方式：" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="hsi-R0-Eqj">
-                                <rect key="frame" x="0.0" y="74" width="130" height="17"/>
+                                <rect key="frame" x="0.0" y="72" width="130" height="17"/>
                                 <constraints>
                                     <constraint firstAttribute="width" constant="130" id="cQQ-d9-zHF"/>
                                 </constraints>
@@ -108,7 +108,7 @@
                                 <nil key="highlightedColor"/>
                             </label>
                             <segmentedControl opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="top" segmentControlStyle="plain" selectedSegmentIndex="0" translatesAutoresizingMaskIntoConstraints="NO" id="nk7-IE-yev">
-                                <rect key="frame" x="130" y="68" width="83" height="29"/>
+                                <rect key="frame" x="130" y="66" width="83" height="29"/>
                                 <constraints>
                                     <constraint firstAttribute="width" constant="83" id="yon-1q-Z9A"/>
                                 </constraints>
@@ -118,19 +118,19 @@
                                 </segments>
                             </segmentedControl>
                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="预览张数：" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="klC-uY-29q">
-                                <rect key="frame" x="58.5" y="254.5" width="71.5" height="17"/>
+                                <rect key="frame" x="58.5" y="252.5" width="71.5" height="17"/>
                                 <fontDescription key="fontDescription" type="system" pointSize="14"/>
                                 <nil key="textColor"/>
                                 <nil key="highlightedColor"/>
                             </label>
                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="最大选择张数：" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="VXy-lM-zZt">
-                                <rect key="frame" x="37" y="291.5" width="93" height="16"/>
+                                <rect key="frame" x="37" y="289.5" width="93" height="16"/>
                                 <fontDescription key="fontDescription" type="system" pointSize="13"/>
                                 <nil key="textColor"/>
                                 <nil key="highlightedColor"/>
                             </label>
                             <textField opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="center" text="20" borderStyle="roundedRect" textAlignment="center" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="Evl-Bd-C9L">
-                                <rect key="frame" x="130" y="248" width="50" height="30"/>
+                                <rect key="frame" x="130" y="246" width="50" height="30"/>
                                 <constraints>
                                     <constraint firstAttribute="width" constant="50" id="jkl-6g-MK5"/>
                                 </constraints>
@@ -142,7 +142,7 @@
                                 </connections>
                             </textField>
                             <textField opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="center" text="10" borderStyle="roundedRect" textAlignment="center" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="e0h-PZ-c3F">
-                                <rect key="frame" x="130" y="284" width="50" height="30"/>
+                                <rect key="frame" x="130" y="282" width="50" height="30"/>
                                 <constraints>
                                     <constraint firstAttribute="width" constant="50" id="xqC-91-SLM"/>
                                 </constraints>
@@ -154,7 +154,7 @@
                                 </connections>
                             </textField>
                             <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="2pn-vv-JDz">
-                                <rect key="frame" x="50" y="394" width="97" height="29"/>
+                                <rect key="frame" x="50" y="392" width="97" height="29"/>
                                 <fontDescription key="fontDescription" type="system" pointSize="14"/>
                                 <state key="normal" title="选择照片(预览)">
                                     <color key="titleColor" red="0.074509803921568626" green="0.59999999999999998" blue="0.90588235294117647" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
@@ -164,22 +164,22 @@
                                 </connections>
                             </button>
                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="记录上次选择：" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="fWp-EP-dGk">
-                                <rect key="frame" x="184" y="183" width="100" height="17"/>
+                                <rect key="frame" x="184" y="181" width="100" height="17"/>
                                 <fontDescription key="fontDescription" type="system" pointSize="14"/>
                                 <nil key="textColor"/>
                                 <nil key="highlightedColor"/>
                             </label>
                             <switch opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" contentHorizontalAlignment="center" contentVerticalAlignment="center" on="YES" translatesAutoresizingMaskIntoConstraints="NO" id="P4q-bG-BAf">
-                                <rect key="frame" x="278" y="176" width="51" height="31"/>
+                                <rect key="frame" x="278" y="174" width="51" height="31"/>
                             </switch>
                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="圆角弧度：" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Fxh-33-PAU">
-                                <rect key="frame" x="58.5" y="326.5" width="71.5" height="17"/>
+                                <rect key="frame" x="58.5" y="324.5" width="71.5" height="17"/>
                                 <fontDescription key="fontDescription" type="system" pointSize="14"/>
                                 <nil key="textColor"/>
                                 <nil key="highlightedColor"/>
                             </label>
                             <textField opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="center" text="0" borderStyle="roundedRect" textAlignment="center" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="TUY-jt-bqO">
-                                <rect key="frame" x="130" y="320" width="50" height="30"/>
+                                <rect key="frame" x="130" y="318" width="50" height="30"/>
                                 <constraints>
                                     <constraint firstAttribute="width" constant="50" id="GJq-fy-0RT"/>
                                 </constraints>
@@ -191,28 +191,28 @@
                                 </connections>
                             </textField>
                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="内部拍照按钮是否实时显示画面：" textAlignment="right" lineBreakMode="tailTruncation" numberOfLines="2" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="2Nl-ET-2sh">
-                                <rect key="frame" x="16" y="213" width="114" height="29"/>
+                                <rect key="frame" x="16" y="211" width="114" height="29"/>
                                 <fontDescription key="fontDescription" type="system" pointSize="12"/>
                                 <nil key="textColor"/>
                                 <nil key="highlightedColor"/>
                             </label>
                             <switch opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" contentHorizontalAlignment="center" contentVerticalAlignment="center" on="YES" translatesAutoresizingMaskIntoConstraints="NO" id="4oL-Z2-vkl">
-                                <rect key="frame" x="130" y="212" width="51" height="31"/>
+                                <rect key="frame" x="130" y="210" width="51" height="31"/>
                             </switch>
                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="LivePhoto：" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="K7d-f0-eIT">
-                                <rect key="frame" x="194" y="147" width="79" height="17"/>
+                                <rect key="frame" x="194" y="145" width="79" height="17"/>
                                 <fontDescription key="fontDescription" type="system" pointSize="14"/>
                                 <nil key="textColor"/>
                                 <nil key="highlightedColor"/>
                             </label>
                             <switch opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" contentHorizontalAlignment="center" contentVerticalAlignment="center" translatesAutoresizingMaskIntoConstraints="NO" id="wab-ZW-dME">
-                                <rect key="frame" x="278" y="140" width="51" height="31"/>
+                                <rect key="frame" x="278" y="138" width="51" height="31"/>
                                 <connections>
                                     <action selector="valueChanged:" destination="BYZ-38-t0r" eventType="valueChanged" id="qQM-jv-6qR"/>
                                 </connections>
                             </switch>
                             <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="b3h-9z-Ett">
-                                <rect key="frame" x="228" y="394" width="97" height="29"/>
+                                <rect key="frame" x="228" y="392" width="97" height="29"/>
                                 <fontDescription key="fontDescription" type="system" pointSize="14"/>
                                 <state key="normal" title="选择照片(相册)">
                                     <color key="titleColor" red="0.074509803920000006" green="0.59999999999999998" blue="0.90588235289999997" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
@@ -222,43 +222,43 @@
                                 </connections>
                             </button>
                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="ForceTouch：" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="esi-FE-DpA">
-                                <rect key="frame" x="189" y="219" width="89" height="17"/>
+                                <rect key="frame" x="189" y="217" width="89" height="17"/>
                                 <fontDescription key="fontDescription" type="system" pointSize="14"/>
                                 <nil key="textColor"/>
                                 <nil key="highlightedColor"/>
                             </label>
                             <switch opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" contentHorizontalAlignment="center" contentVerticalAlignment="center" on="YES" translatesAutoresizingMaskIntoConstraints="NO" id="piz-kA-4cg">
-                                <rect key="frame" x="278" y="212" width="51" height="31"/>
+                                <rect key="frame" x="278" y="210" width="51" height="31"/>
                             </switch>
                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="允许编辑：" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Yz2-hh-rct">
-                                <rect key="frame" x="206" y="255" width="72" height="17"/>
+                                <rect key="frame" x="206" y="253" width="72" height="17"/>
                                 <fontDescription key="fontDescription" type="system" pointSize="14"/>
                                 <nil key="textColor"/>
                                 <nil key="highlightedColor"/>
                             </label>
                             <switch opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" contentHorizontalAlignment="center" contentVerticalAlignment="center" on="YES" translatesAutoresizingMaskIntoConstraints="NO" id="NjN-9v-DId">
-                                <rect key="frame" x="278" y="248" width="51" height="31"/>
+                                <rect key="frame" x="278" y="246" width="51" height="31"/>
                                 <connections>
                                     <action selector="valueChanged:" destination="BYZ-38-t0r" eventType="valueChanged" id="3CQ-sa-hi6"/>
                                 </connections>
                             </switch>
                             <switch opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" contentHorizontalAlignment="center" contentVerticalAlignment="center" on="YES" translatesAutoresizingMaskIntoConstraints="NO" id="YEs-lA-VzA">
-                                <rect key="frame" x="278" y="284" width="51" height="31"/>
+                                <rect key="frame" x="278" y="282" width="51" height="31"/>
                             </switch>
                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="混合选择：" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="ZAF-og-ov7">
-                                <rect key="frame" x="206" y="291" width="72" height="17"/>
+                                <rect key="frame" x="206" y="289" width="72" height="17"/>
                                 <fontDescription key="fontDescription" type="system" pointSize="14"/>
                                 <nil key="textColor"/>
                                 <nil key="highlightedColor"/>
                             </label>
                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="视频最大时长：" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="vwk-xv-F7r">
-                                <rect key="frame" x="183.5" y="327.5" width="93" height="16"/>
+                                <rect key="frame" x="183.5" y="325.5" width="93" height="16"/>
                                 <fontDescription key="fontDescription" type="system" pointSize="13"/>
                                 <nil key="textColor"/>
                                 <nil key="highlightedColor"/>
                             </label>
                             <textField opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="center" text="120" borderStyle="roundedRect" textAlignment="center" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="BEa-rv-p7S">
-                                <rect key="frame" x="277" y="320" width="50" height="30"/>
+                                <rect key="frame" x="277" y="318" width="50" height="30"/>
                                 <constraints>
                                     <constraint firstAttribute="width" constant="50" id="q46-Pq-IS9"/>
                                 </constraints>
@@ -270,7 +270,7 @@
                                 </connections>
                             </textField>
                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="点击照片后直接进入编辑界面(单选模式下有效)：" lineBreakMode="characterWrap" numberOfLines="0" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="4YD-xx-bqj">
-                                <rect key="frame" x="6" y="355" width="160" height="36"/>
+                                <rect key="frame" x="6" y="353" width="160" height="36"/>
                                 <constraints>
                                     <constraint firstAttribute="width" constant="160" id="GeO-mG-tgQ"/>
                                     <constraint firstAttribute="height" constant="36" id="fCC-Lh-lhX"/>
@@ -280,11 +280,20 @@
                                 <nil key="highlightedColor"/>
                             </label>
                             <switch opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" contentHorizontalAlignment="center" contentVerticalAlignment="center" translatesAutoresizingMaskIntoConstraints="NO" id="C0s-7T-CJa">
-                                <rect key="frame" x="171" y="358" width="51" height="31"/>
+                                <rect key="frame" x="171" y="356" width="51" height="31"/>
                                 <connections>
                                     <action selector="valueChanged:" destination="BYZ-38-t0r" eventType="valueChanged" id="d2f-8Y-jgq"/>
                                 </connections>
                             </switch>
+                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="遮罩层：" textAlignment="right" lineBreakMode="tailTruncation" numberOfLines="0" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Wtq-xO-0A6">
+                                <rect key="frame" x="224.5" y="363.5" width="53.5" height="16"/>
+                                <fontDescription key="fontDescription" type="system" pointSize="13"/>
+                                <nil key="textColor"/>
+                                <nil key="highlightedColor"/>
+                            </label>
+                            <switch opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" contentHorizontalAlignment="center" contentVerticalAlignment="center" translatesAutoresizingMaskIntoConstraints="NO" id="xya-0J-AN0">
+                                <rect key="frame" x="278" y="356" width="51" height="31"/>
+                            </switch>
                         </subviews>
                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <constraints>
@@ -298,6 +307,7 @@
                             <constraint firstItem="YEs-lA-VzA" firstAttribute="top" secondItem="NjN-9v-DId" secondAttribute="bottom" constant="5" id="3qy-D2-zSo"/>
                             <constraint firstItem="hPV-Y9-eQj" firstAttribute="leading" secondItem="uNM-gP-QYz" secondAttribute="leading" id="3yq-35-pvv"/>
                             <constraint firstItem="P4q-bG-BAf" firstAttribute="leading" secondItem="wab-ZW-dME" secondAttribute="leading" id="418-IK-wb2"/>
+                            <constraint firstItem="xya-0J-AN0" firstAttribute="centerX" secondItem="BEa-rv-p7S" secondAttribute="centerX" id="4Jt-vS-mNb"/>
                             <constraint firstItem="b3h-9z-Ett" firstAttribute="centerY" secondItem="2pn-vv-JDz" secondAttribute="centerY" id="50l-cv-Eah"/>
                             <constraint firstAttribute="trailing" secondItem="o85-e2-mBb" secondAttribute="trailing" id="5xr-fI-OUE"/>
                             <constraint firstItem="uNM-gP-QYz" firstAttribute="top" secondItem="BwK-18-13Q" secondAttribute="bottom" constant="5" id="7go-w8-JXw"/>
@@ -309,7 +319,7 @@
                             <constraint firstItem="uNM-gP-QYz" firstAttribute="leading" secondItem="BwK-18-13Q" secondAttribute="leading" id="FAc-6A-XPu"/>
                             <constraint firstItem="K7d-f0-eIT" firstAttribute="leading" secondItem="P8J-cR-sod" secondAttribute="leading" id="Frq-w7-h9M"/>
                             <constraint firstItem="wab-ZW-dME" firstAttribute="centerY" secondItem="K7d-f0-eIT" secondAttribute="centerY" id="GRB-j0-RdP"/>
-                            <constraint firstItem="hsi-R0-Eqj" firstAttribute="top" secondItem="y3c-jy-aDJ" secondAttribute="bottom" constant="10" id="JE2-Oz-my0"/>
+                            <constraint firstItem="hsi-R0-Eqj" firstAttribute="top" secondItem="y3c-jy-aDJ" secondAttribute="bottom" constant="8" id="JE2-Oz-my0"/>
                             <constraint firstItem="nk7-IE-yev" firstAttribute="centerY" secondItem="hsi-R0-Eqj" secondAttribute="centerY" id="JQi-Xb-eLJ"/>
                             <constraint firstItem="C0s-7T-CJa" firstAttribute="leading" secondItem="4YD-xx-bqj" secondAttribute="trailing" constant="5" id="K2G-De-Ew4"/>
                             <constraint firstItem="0LY-v4-YJP" firstAttribute="trailing" secondItem="hsi-R0-Eqj" secondAttribute="trailing" id="KcW-TU-BNe"/>
@@ -321,7 +331,9 @@
                             <constraint firstItem="Yz2-hh-rct" firstAttribute="centerY" secondItem="NjN-9v-DId" secondAttribute="centerY" id="Pre-We-oqo"/>
                             <constraint firstItem="K7d-f0-eIT" firstAttribute="centerY" secondItem="uNM-gP-QYz" secondAttribute="centerY" id="RAL-16-Ofq"/>
                             <constraint firstItem="Evl-Bd-C9L" firstAttribute="top" secondItem="4oL-Z2-vkl" secondAttribute="bottom" constant="5" id="SPb-NA-t5X"/>
+                            <constraint firstItem="xya-0J-AN0" firstAttribute="top" secondItem="BEa-rv-p7S" secondAttribute="bottom" constant="8" id="TqL-OY-VQ3"/>
                             <constraint firstItem="TUY-jt-bqO" firstAttribute="leading" secondItem="Fxh-33-PAU" secondAttribute="trailing" id="UxB-2H-yXR"/>
+                            <constraint firstItem="Wtq-xO-0A6" firstAttribute="centerY" secondItem="xya-0J-AN0" secondAttribute="centerY" id="VQk-kJ-gh1"/>
                             <constraint firstItem="UCZ-0U-zgB" firstAttribute="centerY" secondItem="uNM-gP-QYz" secondAttribute="centerY" id="Vxo-Uc-q9N"/>
                             <constraint firstItem="fWp-EP-dGk" firstAttribute="centerY" secondItem="P4q-bG-BAf" secondAttribute="centerY" id="WaZ-ZW-w6O"/>
                             <constraint firstItem="TUY-jt-bqO" firstAttribute="top" secondItem="e0h-PZ-c3F" secondAttribute="bottom" constant="6" id="Wf4-aX-9IY"/>
@@ -341,6 +353,7 @@
                             <constraint firstItem="2Nl-ET-2sh" firstAttribute="centerY" secondItem="4oL-Z2-vkl" secondAttribute="centerY" id="i0K-pw-bS1"/>
                             <constraint firstItem="Evl-Bd-C9L" firstAttribute="centerX" secondItem="4oL-Z2-vkl" secondAttribute="centerX" id="kcE-qp-mGH"/>
                             <constraint firstItem="YEs-lA-VzA" firstAttribute="centerX" secondItem="NjN-9v-DId" secondAttribute="centerX" id="kgB-Qy-4dk"/>
+                            <constraint firstItem="xya-0J-AN0" firstAttribute="leading" secondItem="Wtq-xO-0A6" secondAttribute="trailing" id="kzs-of-A3D"/>
                             <constraint firstItem="0LY-v4-YJP" firstAttribute="top" secondItem="hsi-R0-Eqj" secondAttribute="bottom" constant="20" id="l5B-NL-d0X"/>
                             <constraint firstItem="BEa-rv-p7S" firstAttribute="top" secondItem="YEs-lA-VzA" secondAttribute="bottom" constant="5" id="lJ7-99-Pld"/>
                             <constraint firstAttribute="leadingMargin" secondItem="2Nl-ET-2sh" secondAttribute="leading" id="laA-xW-vtd"/>
@@ -371,6 +384,7 @@
                         <outlet property="collectionView" destination="o85-e2-mBb" id="Mj4-6s-Yvd"/>
                         <outlet property="cornerRadioTextField" destination="TUY-jt-bqO" id="hb3-6z-nEh"/>
                         <outlet property="editAfterSelectImageSwitch" destination="C0s-7T-CJa" id="qft-r4-6Sv"/>
+                        <outlet property="maskSwitch" destination="xya-0J-AN0" id="xeg-mu-WpG"/>
                         <outlet property="maxSelCountTextField" destination="e0h-PZ-c3F" id="sXF-u9-5x8"/>
                         <outlet property="maxVideoDurationTextField" destination="BEa-rv-p7S" id="fWx-lV-Y0C"/>
                         <outlet property="mixSelectSwitch" destination="YEs-lA-VzA" id="Rhu-P0-0T5"/>
diff --git a/ZLPhotoBrowser/ViewController.m b/ZLPhotoBrowser/ViewController.m
index 1d9c3f07..9908aaf1 100644
--- a/ZLPhotoBrowser/ViewController.m
+++ b/ZLPhotoBrowser/ViewController.m
@@ -12,10 +12,7 @@
 #import "ImageCell.h"
 #import "YYFPSLabel.h"
 #import <Photos/Photos.h>
-#import "ZLShowGifViewController.h"
-#import "ZLShowVideoViewController.h"
 #import "ZLPhotoModel.h"
-#import "ZLShowLivePhotoViewController.h"
 
 ///////////////////////////////////////////////////
 // git 地址： https://github.com/longitachi/ZLPhotoBrowser
@@ -35,6 +32,7 @@ @interface ViewController () <UITextFieldDelegate>
 @property (weak, nonatomic) IBOutlet UISwitch *allowEditSwitch;
 @property (weak, nonatomic) IBOutlet UISwitch *mixSelectSwitch;
 @property (weak, nonatomic) IBOutlet UISwitch *editAfterSelectImageSwitch;
+@property (weak, nonatomic) IBOutlet UISwitch *maskSwitch;
 @property (weak, nonatomic) IBOutlet UITextField *previewTextField;
 @property (weak, nonatomic) IBOutlet UITextField *maxSelCountTextField;
 @property (weak, nonatomic) IBOutlet UITextField *cornerRadioTextField;
@@ -108,7 +106,10 @@ - (ZLPhotoActionSheet *)getPas
     actionSheet.editAfterSelectThumbnailImage = self.editAfterSelectImageSwitch.isOn;
     //设置编辑比例
 //    actionSheet.clipRatios = @[GetClipRatio(4, 3)];
-    
+    //是否在已选择照片上显示遮罩层
+    actionSheet.showSelectedMask = self.maskSwitch.isOn;
+    //遮罩层颜色
+//    actionSheet.selectedMaskColor = [UIColor orangeColor];
 #pragma required
     //如果调用的方法没有传sender，则该属性必须提前赋值
     actionSheet.sender = self;
diff --git "a/\346\225\210\346\236\234\345\233\276/selectmask.gif" "b/\346\225\210\346\236\234\345\233\276/selectmask.gif"
new file mode 100644
index 00000000..c4f6108a
Binary files /dev/null and "b/\346\225\210\346\236\234\345\233\276/selectmask.gif" differ