diff --git a/LANGS.md b/LANGS.md
index 1e927be..6d6c437 100644
--- a/LANGS.md
+++ b/LANGS.md
@@ -1,2 +1,2 @@
 * [English](en/)
-* [简体中文](zh_CN/)
\ No newline at end of file
+* [简体中文](zh-cn/)
\ No newline at end of file
diff --git a/zh_CN/README.md b/zh-cn/README.md
similarity index 100%
rename from zh_CN/README.md
rename to zh-cn/README.md
diff --git a/zh_CN/SUMMARY.md b/zh-cn/SUMMARY.md
similarity index 100%
rename from zh_CN/SUMMARY.md
rename to zh-cn/SUMMARY.md