diff --git a/vnc/multi_vnc_single_user.sh b/vnc/multi_vnc_single_user.sh
index b20cfbc..443a923 100644
--- a/vnc/multi_vnc_single_user.sh
+++ b/vnc/multi_vnc_single_user.sh
@@ -57,20 +57,21 @@ for (( i=START_DISPLAY; i<=END_DISPLAY; i++ )); do
   # 写入专属的 systemd 服务配置
   cat <<EOF > "$SERVICE_FILE"
 [Unit]
-Description=VNC Server for $TARGET_USER on display $i
+Description=Remote desktop service (VNC)
 After=syslog.target network.target
 
 [Service]
 Type=forking
-User=$TARGET_USER
-Group=$TARGET_USER
-WorkingDirectory=/home/$TARGET_USER
-ExecStartPre=-/usr/bin/vncserver -kill :$i > /dev/null 2>&1
-ExecStart=/usr/bin/vncserver :$i -geometry 1280x720 -depth 24
-ExecStop=/usr/bin/vncserver -kill :$i
+
+# Clean any existing files in /tmp/.X11-unix environment
+ExecStartPre=/bin/sh -c '/usr/bin/vncserver -kill %i > /dev/null 2>&1 || :'
+ExecStart=/usr/sbin/runuser -l $TARGET_USER -c "/usr/bin/vncserver %i"
+PIDFile=/home/$TARGET_USER/.vnc/%H%i.pid
+ExecStop=/bin/sh -c '/usr/bin/vncserver -kill %i > /dev/null 2>&1 || :'
 
 [Install]
 WantedBy=multi-user.target
+
 EOF
 
   # 重新加载 systemd 守护进程