string(245) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%AD%E5%9B%BD%E7%A7%BB%E5%8A%A8gprs%E5%92%8Cwap%E7%9A%84%E5%8C%BA%E5%88%AB => Failed to connect to 14.18.117.71 port 38093: Connection refused"
中国移动gprs和wap的区别
