How can I put the setting to shot a image better ?

[0x12FD16B]

I use this awesome node module capture file is not as well as what I shot via system utilities on OSX, is there any way I can make the image that I capture by node better ? I have try as the document referred in README, and here is my webshot options setting:

var info_options = {
    windowSize: {
        width: 414,
        height: 736
    },
    quality: 100,
    streamType: 'jpeg',
    userAgent: user_agent,
    captureSelector: '.goods-part'
};

However, it not worked. I am egger to get some help, anyone can help me ?

[EtienneDion]

+1