diff --git a/keep-awake.js b/keep-awake.js
index 9a16500..2a1ef99 100644
--- a/keep-awake.js
+++ b/keep-awake.js
@@ -5,8 +5,8 @@ const POWER_SHELL = 'powershell -NoProfile -Command';
 function getMousePos() {
   const cmd = `${POWER_SHELL} "Add-Type -AssemblyName System.Windows.Forms; [System.Windows.Forms.Cursor]::Position"`;
   const output = execSync(cmd, { windowsHide: true }).toString();
-  const match = output.match(/X=(\d+).*Y=(\d+)/);
-  if (!match) throw new Error('Failed to get mouse position');
+  const match = output.match(/(\d+)\s+(\d+)\s*$/m);
+  if (!match) throw new Error('Failed to get mouse position: ' + output);
   return { x: parseInt(match[1], 10), y: parseInt(match[2], 10) };
 }
 
@@ -19,7 +19,6 @@ const sleep = (ms) => new Promise((resolve) => setTimeout(resolve, ms));
 
 async function main() {
   console.log('已启动防息屏，每 15 秒移动鼠标 1 像素再移回原位。Ctrl+C 停止。\n');
-  let moving = false;
 
   process.on('SIGINT', () => {
     console.log('\n已停止。');