diff --git a/README_CN.md b/README_CN.md
index 5d741f8e4ca9c0d9b9e083728578f0a95c47083a..1e017c573e8e010531797a0d6fe38ca0f833ddc7 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -265,7 +265,7 @@ gclient runhooks -vvv
 ```shell
 cd $HOME/r102
 wget https://packages.cdn.openfyde.cn/distfiles/r102/r102_distfiles_cache.tar.gz
-tar xzf r102_distfiles_cache.tar.gz
+tar xf r102_distfiles_cache.tar.gz
 ```
 
 此时 `$HOME/r102/.cache` 目录中已经有了后续编译需要下载的各个源码包文件。