diff --git a/README_CN.md b/README_CN.md
index e714c70..820f29e 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -225,9 +225,7 @@ design-patterns/
 
 1. Fork 仓库
 2. 创建功能分支 (`git checkout -b feature/amazing-feature`)
-3. 提交更改 (`git commit -m 'Add some amazing feature
-
-Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>'`)
+3. 提交更改 (`git commit -m 'Add some amazing feature'`)
 4. 推送到分支 (`git push origin feature/amazing-feature`)
 5. 开启 Pull Request