diff --git a/docs/before.md b/docs/before.md
index 4db5896..37dc2c6 100644
--- a/docs/before.md
+++ b/docs/before.md
@@ -1,6 +1,7 @@
 !> 推荐使用**电脑**访问本文档。地址：`https://digitalclock.eee.dog`
 <br/>或Google搜索`eee116 digital clock`。
  
+!> [**提问前请先过目此文章！！**](https://github.com/ryanhanwu/How-To-Ask-Questions-The-Smart-Way/blob/master/README-zh_CN.md)
  - 新版Arduino可能无法运行，请使用1.8.5版本(下载地址：[win](https://cloud.yimian.xyz/install/arduino/1.8.5/arduino-1.8.5-windows.zip) / [mac](https://cloud.yimian.xyz/install/arduino/1.8.5/arduino-1.8.5-macosx.zip))
  - 下载并解压代码到本地([代码下载戳这里](https://cloud.yimian.xyz/package/iotcat/digital-clock/digital-clock.zip))
  - **请务必先解压，否则代码无法运行**