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%E6%B8%85%E7%90%86%E5%86%85%E5%AD%98%E4%BC%9A%E5%88%A0%E6%8E%89%E8%81%8A%E5%A4%A9%E8%AE%B0%E5%BD%95%E5%90%97 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
微信清理内存会删掉聊天记录吗
