use crx pack failed about crx HOT 1 CLOSED

const crx = new ChromeExtension({
  privateKey: fs.readFileSync('./dist.pem')
});
 
crx.load( path.resolve(__dirname, 'dist') )
   .then(crx => crx.pack())
   .then(crxBuffer => {
     fs.writeFile('myExtension.crx', crxBuffer, err => err ? console.error(err) : console.log('extension file written'));
   })
   .catch(err=>{
     console.error( err );
   });

const crx = new ChromeExtension({
  privateKey: fs.readFileSync('./dist.pem')
});
 
crx.load( path.resolve(__dirname, 'dist') )
   .then(crx => crx.pack())
   .then(crxBuffer => fs.promises.writeFile('myExtension.crx', crxBuffer))
   .catch(err=>{
     console.error( err );
   });