diff --git a/net/cm/README-CN.md b/net/cm/README-CN.md
index 7690ea4..eb50480 100644
--- a/net/cm/README-CN.md
+++ b/net/cm/README-CN.md
@@ -2,10 +2,10 @@
 
 ## 依赖
 
-这工具需要 `python3` `bypy` `python3-bs4`
+这工具需要 `python3` `bypy` `python3-bs4`, `trickle` 被用来限制上传速度
 
 ```
-apt-get install python3 python3-bs4
+apt-get install python3 python3-bs4 trickle
 git clone https://github.com/houtianze/bypy
 ```