string(301) "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%E7%9A%84%E6%96%87%E4%BB%B6%E4%B8%8D%E8%A7%81%E4%BA%86%E5%86%85%E5%AD%98%E8%BF%98%E5%8D%A0%E7%9D%80 => Failed to connect to 61.171.74.35 port 38041: Connection refused"
移动硬盘的文件不见了内存还占着
