wget -O +下载文件地址
wget --user-agent="useragent头信息"  #指定useragent头
案例：
wget --user-agent="Mozilla/5.0 (Windows NT 6.0) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.97 Safari/537.11"   https://mirrors.tuna.tsinghua.edu.cn/centos-stream/9-stream/BaseOS/x86_64/iso/CentOS-Stream-9-latest-x86_64-dvd1.iso