diff --git a/scripts/containerd.sh  b/scripts/containerd.sh 
index 2c2e531..52df2f1 100644
--- a/scripts/containerd.sh 	
+++ b/scripts/containerd.sh 	
@@ -1,7 +1,7 @@
 #!/bin/bash
 set -euo pipefail
 
-# Containerd apt安装/卸载脚本（Ubuntu专用）
+# Containerd apt安装/卸载脚本（Ubuntu专用）.
 # 支持：安装指定版本、完整卸载、重复执行
 # 适用：Ubuntu 20.04/22.04/24.04 LTS