diff --git a/TZImagePickerController/TZImagePickerController/TZPhotoPickerController.m b/TZImagePickerController/TZImagePickerController/TZPhotoPickerController.m
index e9253cef..f227214f 100755
--- a/TZImagePickerController/TZImagePickerController/TZPhotoPickerController.m
+++ b/TZImagePickerController/TZImagePickerController/TZPhotoPickerController.m
@@ -752,6 +752,9 @@ - (void)pushPhotoPrevireViewController:(TZPhotoPreviewController *)photoPreviewV
     }];
     [photoPreviewVc setDoneButtonClickBlockCropMode:^(UIImage *cropedImage, id asset) {
         __strong typeof(weakSelf) strongSelf = weakSelf;
+        if((!cropedImage)||(!asset)){
+           return;
+        }
         [strongSelf didGetAllPhotos:@[cropedImage] assets:@[asset] infoArr:nil];
     }];
     [self.navigationController pushViewController:photoPreviewVc animated:YES];