var config = [
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    {url:'https://s.click.taobao.com/nhxFV7w', img:'../libs/images/bg_base2.jpg'},
    {url:'https://s.click.taobao.com/nhxFV7w', img:'../libs/images/bg_base2.jpg'},
    {url:'https://s.click.taobao.com/nhxFV7w', img:'../libs/images/bg_base2.jpg'},
    {url:'https://s.click.taobao.com/nhxFV7w', img:'../libs/images/bg_base2.jpg'},
    {url:'https://s.click.taobao.com/nhxFV7w', img:'../libs/images/bg_base2.jpg'},
];