conda --version
conda update conda
conda create -n evn_name python=3.8
conda activate evn_name
conda remove -n evn_name
conda info -e
conda deactivate
conda create -n env_name --clone evn_name
https://mirror.tuna.tsinghua.edu.cn/help/anaconda/
https://developer.aliyun.com/mirror/anaconda?spm=a2c6h.13651102.0.0.45251b11UQYonC
https://developer.aliyun.com/mirror/?spm=a2c6h.13651102.0.0.45251b11UQYonC&serviceType=mirror
https://developer.aliyun.com/mirror/pypi?spm=a2c6h.13651102.0.0.64a71b11ntXZBp