string(243) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%8E%B0%E5%9C%A8%E6%AF%94%E8%BE%83%E7%81%AB%E7%9A%84%E5%9B%A2%E8%B4%ADapp => Failed to connect to 101.89.117.144 port 38208: Connection refused"
现在比较火的团购app
