string(285) "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%E6%89%B9%E9%87%8F%E5%88%A0%E9%99%A4%E8%81%8A%E5%A4%A9%E8%AE%B0%E5%BD%95%E7%9A%84%E6%96%B9%E6%B3%95 => Failed to connect to 101.89.117.144 port 38076: Connection refused"
微信批量删除聊天记录的方法
