string(283) "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%E5%A6%82%E4%BD%95%E7%BE%A4%E5%8F%91%E6%B6%88%E6%81%AF%E8%80%8C%E4%B8%8D%E5%BB%BA%E7%BE%A4%E5%91%A2 => Failed to connect to 14.116.215.7 port 38230: Connection refused"
微信如何群发消息而不建群呢
