diff --git a/packages/engine/README-zh_CN.md b/packages/engine/README-zh_CN.md
index 9cd5f85d3..9f8aa964d 100644
--- a/packages/engine/README-zh_CN.md
+++ b/packages/engine/README-zh_CN.md
@@ -153,3 +153,6 @@ lowcode-engine 启动后，提供了几个 umd 文件，可以结合 [lowcode-de
 3. [引擎的工程化配置](https://www.yuque.com/lce/doc/gxwqg6)
 
 > 强烈推荐阅读 [《提问的智慧》](https://github.com/ryanhanwu/How-To-Ask-Questions-The-Smart-Way)、[《如何向开源社区提问题》](https://github.com/seajs/seajs/issues/545) 和 [《如何有效地报告 Bug》](http://www.chiark.greenend.org.uk/%7Esgtatham/bugs-cn.html)、[《如何向开源项目提交无法解答的问题》](https://zhuanlan.zhihu.com/p/25795393)，更好的问题更容易获得帮助。（此段参考 [antd](https://github.com/ant-design/ant-design)）
+
+关于提交 PR：
+请将目标合并分支设置为 **develop**，不要指定 **main** 分支，在发布正式版本后，develop 分支将会合入 main 分支。
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diff --git a/packages/engine/README.md b/packages/engine/README.md
index 775cb5594..6d13ad166 100644
--- a/packages/engine/README.md
+++ b/packages/engine/README.md
@@ -143,7 +143,7 @@ $ npm start
 >
 > 📢 Windows environment must use [WSL](https://docs.microsoft.com/en-us/windows/wsl/install), other terminals are not guaranteed to work normally
 
-After lowcode-engine is started, several umd files are provided, which can be debugged in combination with the [lowcode-demo](https://github.com/alibaba/lowcode-demo) project. Refer to the file proxy rules [here](https:/ /www.yuque.com/lce/doc/glz0fx).
+After lowcode-engine is started, several umd files are provided, which can be debugged in combination with the [lowcode-demo](https://github.com/alibaba/lowcode-demo) project. Refer to the file proxy rules [here](https://www.yuque.com/lce/doc/glz0fx).
 
 ## 🤝 Participation