diff --git a/README.md b/README.md
index ac9343b..7112a17 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,5 @@
 配合SdWebImage 使用，可以显示加载进度
+
 UIImageView *imageView = [[UIImageView alloc] initWithFrame:frame];
         imageView.imageURL = attachment.contentURL;
         [imageView setOnTouchTapBlock:^(UIImageView *imageView) {