fs.createReadStream("input.txt.gz")     .pipe(zlib.createGunzip())     .pipe(fs.createWriteStream("input_copy.txt")); console.log("compelete:"+JSON.stringify(fs.createReadStream("input.txt.gz")));

可是出现了错误

throw err//Unhandled "error" event Error:incorrect header check at Gunzip.zlibOnError