diff --git a/docs/zh/docs/Releasenotes/release_notes.md b/docs/zh/docs/Releasenotes/release_notes.md
index 1a8932e74ae81441cbed64d366f5618e1e956f6f..8e0c0292fdb12b05392103fa24002eb538e3d941 100644
--- a/docs/zh/docs/Releasenotes/release_notes.md
+++ b/docs/zh/docs/Releasenotes/release_notes.md
@@ -1,3 +1,10 @@
 # 发行说明
 
-本文档是 openEuler 22.03-LTS 版本的发行说明。
\ No newline at end of file
+本文档是 openEuler 22.03-LTS-SP1 版本的发行说明。
+
+# changelog
+## cmdline
+1. Add cgroup_disable=files to default cmdline.
+   This is consistent with the cgroup opening feature by default.
+   If any user want to use this feature, just remove this cmdline.
+   Here is the reference: https://gitee.com/src-openeuler/anaconda/pulls/261