string(274) "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%A8%E6%8E%A5%E5%85%A5%E7%82%B9wap%E4%B8%8Egprs%E7%9A%84%E5%8C%BA%E5%88%AB => Failed to connect to 101.89.117.144 port 38056: Connection refused"
中国移动接入点wap与gprs的区别
