string(303) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%81%A2%E5%A4%8D%E8%81%8A%E5%A4%A9%E8%AE%B0%E5%BD%95%E4%BC%9A%E4%B8%8D%E4%BC%9A%E5%BD%B1%E5%93%8D%E6%89%8B%E6%9C%BA%E5%AE%89%E5%85%A8 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
恢复聊天记录会不会影响手机安全
