修复两处小问题

TZImagePickerController/TZImagePickerController/TZImageManager.m

@@ -86,6 +86,8 @@ static CGFloat TZScreenScale;
         option.sortDescriptors = @[[NSSortDescriptor sortDescriptorWithKey:@"modificationDate" ascending:self.sortAscendingByModificationDate]];
         PHFetchResult *smartAlbums = [PHAssetCollection fetchAssetCollectionsWithType:PHAssetCollectionTypeSmartAlbum subtype:PHAssetCollectionSubtypeAlbumRegular options:nil];
         for (PHAssetCollection *collection in smartAlbums) {
+            // 有可能是PHCollectionList类的的对象，过滤掉
+            if (![collection isKindOfClass:[PHAssetCollection class]]) return;
             if ([self isCameraRollAlbum:collection.localizedTitle]) {
                 PHFetchResult *fetchResult = [PHAsset fetchAssetsInAssetCollection:collection options:option];
                 model = [self modelWithResult:fetchResult name:collection.localizedTitle];
@@ -122,6 +124,8 @@ static CGFloat TZScreenScale;
         PHFetchResult *topLevelUserCollections = [PHCollectionList fetchTopLevelUserCollectionsWithOptions:nil];
         
         for (PHAssetCollection *collection in smartAlbums) {
+            // 有可能是PHCollectionList类的的对象，过滤掉
+            if (![collection isKindOfClass:[PHAssetCollection class]]) return;
             PHFetchResult *fetchResult = [PHAsset fetchAssetsInAssetCollection:collection options:option];
             if (fetchResult.count < 1) continue;
             if ([collection.localizedTitle containsString:@"Deleted"] || [collection.localizedTitle isEqualToString:@"最近删除"]) continue;
@@ -132,6 +136,8 @@ static CGFloat TZScreenScale;
             }
         }
         for (PHAssetCollection *collection in topLevelUserCollections) {
+            // 有可能是PHCollectionList类的的对象，过滤掉
+            if (![collection isKindOfClass:[PHAssetCollection class]]) return;
             PHFetchResult *fetchResult = [PHAsset fetchAssetsInAssetCollection:collection options:option];
             if (fetchResult.count < 1) continue;
             [albumArr addObject:[self modelWithResult:fetchResult name:collection.localizedTitle]];

TZImagePickerController/TZImagePickerController/TZImagePickerController.m

@@ -148,7 +148,6 @@
         self.allowPickingOriginalPhoto = self.allowPickingOriginalPhoto;
         self.timeout = 15;
         self.photoWidth = 828.0;
-        self.maxImagesCount = selectedAssets.count;
         self.photoPreviewMaxWidth = 600;
         self.barItemTextFont = [UIFont systemFontOfSize:15];
         self.barItemTextColor = [UIColor whiteColor];