string(274) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%A7%BB%E5%8A%A8%E6%89%8B%E6%9C%BA%E6%8E%A5%E5%85%A5%E7%82%B9%E9%80%89%E6%8B%A9gprs%E8%BF%98%E6%98%AFwap => Failed to connect to 101.89.143.195 port 38109: Connection refused"
移动手机接入点选择gprs还是wap
