string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BE%AE%E4%BF%A1%E8%BE%93%E5%85%A5%E6%98%B5%E7%A7%B0%E6%90%9C%E7%B4%A2%E4%B8%8D%E5%88%B0%E5%A5%BD%E5%8F%8B => Failed to connect to 125.88.227.171 port 38114: Connection refused"
微信输入昵称搜索不到好友
