string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=qq%E5%A6%82%E6%9E%9C%E5%8A%A0%E5%A5%BD%E5%8F%8B%E5%A4%AA%E5%A4%9A%E4%BC%9A%E6%80%8E%E4%B9%88%E6%A0%B7%E5%90%97 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
qq如果加好友太多会怎么样吗
