1. 安装
下载:https://mirrors.tuna.tsinghua.edu.cn/qt/official_releases/online_installers/
运行:cmd + 镜像:--mirror https://mirrors.ustc.edu.cn/qtproject
下载:https://mirrors.tuna.tsinghua.edu.cn/qt/official_releases/online_installers/
运行:cmd + 镜像:--mirror https://mirrors.ustc.edu.cn/qtproject