diff --git a/README.md b/README.md
index 79fdb4a..a1a43a1 100644
--- a/README.md
+++ b/README.md
@@ -44,6 +44,8 @@
    ![img7.png](image/img7.png)
 8. 文件上传演示 `index.html`
    ![img8.png](image/img8.png)
+   内容对比
+   ![img11.png](image/img11.png)
 9. 时间戳 `./COM -p COM8 -t`
    ![img9.png](image/img9.png)
 10. 格式修改 `./COM -p COM11 -t -T='<2006-01-02 15:04:05>'`
diff --git a/image/img11.png b/image/img11.png
new file mode 100644
index 0000000..a79df7f
Binary files /dev/null and b/image/img11.png differ