string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=qq%E5%8A%A0%E7%BE%A4%E4%B8%80%E5%A4%A9%E8%83%BD%E5%8A%A0%E5%87%A0%E4%B8%AA => Failed to connect to 14.18.117.71 port 38220: Connection refused"
qq加群一天能加几个
