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            script.charset = 'utf-8';
            script.id = 'changyan_mobile_js';
            script.src = 'https://cy-cdn.kuaizhan.com/upload/mobile/wap-js/changyan_mobile.js?client_id=' + appid + '&conf=' + conf;
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                var c = document.getElementsByTagName("head")[0] || document.head || document.documentElement;
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