string(286) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=u%E7%9B%98%E4%B8%80%E6%89%93%E5%BC%80%E5%B0%B1%E5%8F%AB%E6%A0%BC%E5%BC%8F%E5%8C%96%E5%A6%82%E4%BD%95%E4%BF%AE%E5%A4%8Dcmd => Failed to connect to 14.18.46.51 port 38044: Connection refused"
u盘一打开就叫格式化如何修复cmd
