pip install -c https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge/ pyqt5
pip install -c https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge/ pyqt5-tools
python -c "import PyQt5; print('PyQt5 安装成功')"
pip install -c https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge/ pyqt5
pip install -c https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge/ pyqt5-tools
python -c "import PyQt5; print('PyQt5 安装成功')"