Conda在下载安装包时报错：

PackagesNotFoundError: The following packages are not available from current channels:    - XXXXXX（包名） 

有如下两种解决方法：

方法一：将conda-forge添加到搜索路径上

        在命令行运行下方指令，然后重新安装。

conda config --append channels conda-forge

conda install 需要安装的包名 

方法二：在官网搜索相关包的安装指令并运行

        点击命令行提示的连接，即官网： https://anaconda.org ，在页面搜索需要的包，复制下方任意一条指令在命令行运行即可。

PackagesNotFoundError: The following packages are not available from current channels:    - beautifulsoup  Current channels:    - https://conda.anaconda.org/conda-forge   - https://conda.anaconda.org/bioconda   - https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/bioconda   - https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge   - https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main   - https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free   - https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/pytorch   - https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/pro   - defaults  To search for alternate channels that may provide the conda package you're looking for, navigate to      https://anaconda.org  and use the search bar at the top of the page.

        进入主页搜索：

        复制官网提供的命令： 

        在命令行运行命令：