diff --git a/entrypoint.sh b/entrypoint.sh
index c8684b7..6ee7445 100644
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -10,14 +10,15 @@ set -eu
 # 初始化
 if [ "${DOCKER_USER-}" ]; then
   USER="$DOCKER_USER"
-  if [ "$DOCKER_USER" != "$(id -un 1000)" ]; then
+  USER_HOME="$(id -un 1000)"
+  if [ "$DOCKER_USER" != "$USER_HOME" ]; then
     # 无密码sudo
     echo "$DOCKER_USER ALL=(ALL) NOPASSWD:ALL" | sudo tee -a /etc/sudoers.d/nopasswd > /dev/null
     # Unfortunately we cannot change $HOME as we cannot move any bind mounts
     # nor can we bind mount $HOME into a new home as that requires a privileged container.
     
-    sudo usermod --login "$DOCKER_USER" "$(id -un 1000)"
-    sudo groupmod -n "$DOCKER_USER" "$(id -un 1000)"
+    sudo usermod --login "$DOCKER_USER" "$USER_HOME"
+    sudo groupmod -n "$DOCKER_USER" "$USER_HOME"
 
     sudo chown -R "$DOCKER_USER":999 /home/coder