string(290) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%A7%BB%E5%8A%A8%E7%A1%AC%E7%9B%98%E6%96%87%E4%BB%B6%E4%B8%8D%E8%A7%81%E4%BA%86%2C%E5%87%BA%E7%8E%B0%E4%B8%80%E4%B8%AAusbc => Failed to connect to 14.18.117.71 port 38220: Connection refused"
移动硬盘文件不见了,出现一个usbc
