string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%94%B5%E8%84%91%E6%96%87%E4%BB%B6%E6%B2%A1%E5%88%A0%E9%99%A4%E5%8D%B4%E6%B6%88%E5%A4%B1%E4%BA%86 => Failed to connect to 14.18.117.71 port 38093: Connection refused"
电脑文件没删除却消失了
