diff --git a/dev-ubuntu-20.04-ssh/Dockerfile b/dev-ubuntu-20.04-ssh/Dockerfile
index c256e4d..c437646 100644
--- a/dev-ubuntu-20.04-ssh/Dockerfile
+++ b/dev-ubuntu-20.04-ssh/Dockerfile
@@ -7,6 +7,5 @@ RUN apt-get update && apt-get install -y openssh-server && apt-get clean && chmo
 
 # 当有命令传入时候执行命令，否则执行 tail -f /dev/null
 ENTRYPOINT ["/entrypoint.sh"]
-CMD []
 
 # $ docker build -t base-ssh-devcontainer:ubuntu-20.04-20241014 .
diff --git a/dev-ubuntu-20.04-ssh/entrypoint.sh b/dev-ubuntu-20.04-ssh/entrypoint.sh
index b471e48..ca49a64 100644
--- a/dev-ubuntu-20.04-ssh/entrypoint.sh
+++ b/dev-ubuntu-20.04-ssh/entrypoint.sh
@@ -6,12 +6,3 @@ ssh-keygen -A
 
 # 2. 启动 SSH 服务
 service ssh start
-
-# 3. 默认命令检查
-if [ "$#" -eq 0 ]; then
-    # 如果没有传入参数，则默认执行 tail -f /dev/null
-    exec tail -f /dev/null
-else
-    # 执行传入的命令
-    exec "$@"
-fi