在终端用输入以下命令查询下载包

apt policy org.deepin.browser
org.deepin.browser:
  已安装：6.3.9-1
  候选： 7.3.1000.172-1
  版本列表：
     7.3.1000.172-1 500
        500 https://pro-store-packages.uniontech.com/appstore eagle-pro/appstore arm64 Packages
     6.3.20-1 500
        500 https://professional-security.chinauos.com eagle/1060/non-free arm64 Packages
 *** 6.3.9-1 500
        500 https://professional-packages.chinauos.com/desktop-professional eagle/non-free arm64 Packages
        100 /usr/lib/dpkg-db/status
     5.5.1-1+u1 500
        500 https://professional-ppa.chinauos.com/wayland-ppa eagle/pgv/main arm64 Packages
     5.4.6-1 500
        500 https://professional-packages.chinauos.com/desktop-professional eagle/main arm64 Packages

apt download org.deepin.browser=5.4.6-1（选择需要的版本号）