':type headers: dict
:rtype: dict'

@staticmethod
def _get_headers(headers):

    _headers = {'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8', 'User-Agent': 'Mozilla/5.0    (Macintosh;    Intel    Mac    OS    X    10_11_3)    AppleWebKit/537.36    (KHTML,    like    Gecko)    Chrome/47.0.2526.111    Safari/537.36', 'Referer': 'http://s.web2.qq.com/proxy.html?v=20130916001&callback=1&id=1'}
    _headers.update(headers)
    return _headers
