string(248) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=u%E7%9B%98%E5%86%85%E5%AE%B9%E4%B9%B1%E7%A0%81%E6%80%8E%E4%B9%88%E5%9B%9E%E4%BA%8B => Failed to connect to 14.18.117.71 port 38220: Connection refused"
u盘内容乱码怎么回事
