550 /build: No such file or directory

[amigoaien]

javascript
const globs = ./build/**/*;
function upload() {
console.log('upload..');
const conner = ftp.create(ftpConfig);
console.log(ftpConfig,globs);
return conner.src(globs,{base: ./build/,buffer:false })
.pipe(conner.newer(ftpConfig.remotePath))
.pipe(conner.dest(ftpConfig.remotePath));
}
[connection] PASV socket connected
[connection] > 'MLSD /build'
[connection] < '550 /build: No such file or directory\r\n'
[parser] < '550 /build: No such file or directory\r\n'
[parser] Response: code=550, buffer='/build: No such file or directory'

thank you for help me