string(260) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%BA%E4%BB%80%E4%B9%88qq%E5%8A%A0%E5%A5%BD%E5%8F%8B%E7%9B%B4%E6%8E%A5%E9%80%9A%E8%BF%87 => Failed to connect to 125.88.227.171 port 38062: Connection refused"
为什么qq加好友直接通过
