安装源的问题,指定清华源conda install matplotlib -i https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge/这样试试
参考https://blog.csdn.net/walk_power/article/details/82957796?spm=1001.2101.3001.6661.1&utm_medium=distribute.pc_relevant_t0.none-task-blog-2%7Edefault%7ECTRLIST%7ERate-1-82957796-blog-108082382.t5_download_comparev1&depth_1-utm_source=distribute.pc_relevant_t0.none-task-blog-2%7Edefault%7ECTRLIST%7ERate-1-82957796-blog-108082382.t5_download_comparev1&utm_relevant_index=1
conda换成pip install