diff --git a/README.md b/README.md
index 7112a17..55633f8 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 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) {
-        }];
+            UIImageView *imageView = [[UIImageView alloc] initWithFrame:frame];
+            imageView.imageURL = attachment.contentURL;
+            [imageView setOnTouchTapBlock:^(UIImageView *imageView) {
+            }];