string(269) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=qq%E5%8A%A0%E5%A5%BD%E5%8F%8B%E7%9A%84%E6%96%B9%E5%BC%8F%E6%9C%89%E4%BB%80%E4%B9%88%E5%8C%BA%E5%88%AB => Failed to connect to 101.89.117.144 port 38017: Connection refused"
qq加好友的方式有什么区别
