Jupyter nbextensions configurator 安装没有问题，但是notebook中不显示nbextensions标签
[I 11:14:14.190 NotebookApp] [jupyter_nbextensions_configurator] enabled 0.4.0
[I 11:14:14.255 NotebookApp] JupyterLab extension loaded from C:\ProgramData\Anaconda3\lib\site-packages\jupyterlab
[I 11:14:14.256 NotebookApp] JupyterLab application directory is C:\ProgramData\Anaconda3\share\jupyter\lab
[I 11:14:14.260 NotebookApp] Serving notebooks from local directory: C:\Users\1
[I 11:14:14.260 NotebookApp] The Jupyter Notebook is running at:
[I 11:14:14.260 NotebookApp] http://localhost:8888/?token=a3ba24743ad8b4e00987c0668be5d9cfa4901ad652b6e2d3
[I 11:14:14.261 NotebookApp] or http://127.0.0.1:8888/?token=a3ba24743ad8b4e00987c0668be5d9cfa4901ad652b6e2d3
[I 11:14:14.261 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation).
[C 11:14:14.581 NotebookApp]
To access the notebook, open this file in a browser:
file:///C:/Users/1/AppData/Roaming/jupyter/runtime/nbserver-14088-open.html
Or copy and paste one of these URLs:
http://localhost:8888/?token=a3ba24743ad8b4e00987c0668be5d9cfa4901ad652b6e2d3
or http://127.0.0.1:8888/?token=a3ba24743ad8b4e00987c0668be5d9cfa4901ad652b6e2d3
