string(292) "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%E8%81%8A%E5%A4%A9%E8%AE%B0%E5%BD%95%E6%80%8E%E6%A0%B7%E6%89%B9%E9%87%8F%E5%88%A0%E9%99%A4%E6%8E%89%E5%91%A2 => Failed to connect to 14.18.117.71 port 38220: Connection refused"
微信聊天记录怎样批量删除掉呢
