Iview 启动报错 TypeError [ERR_INVALID_CALLBACK]: Callback must be a function

解决

fs.write(fd, buf, 0, buf.length, 0, function(err, written, buffer) {});

替换为

fs.write(fd, buf, 0, 'utf-8', function(err, written, buffer) {});

应该是node的版本问题。