我无法使用vscode运行jupyter

Question

我安装了Jupyter：

$ jupyter --version
upyter core     : 4.6.3
jupyter-notebook : 6.0.3
qtconsole        : not installed
ipython          : 7.13.0
ipykernel        : 5.1.4
jupyter client   : 6.0.0
jupyter lab      : not installed
nbconvert        : 5.6.1
ipywidgets       : 6.0.0
nbformat         : 5.0.4
traitlets        : 4.3.3

在浏览器中，我可以运行jupyter，但首先在vs代码中，它要求我输入密码：

我用密码更改了密码：

jupyter笔记本密码

在所有情况下，我都会收到消息：

Failed to connect to remote Jupyter notebook.
Check that the Jupyter Server URI setting has a valid running     server specified.
http://localhost:8889/tree
r: request to http://localhost:8889/treelogin? failed, reason: connect ECONNREFUSED 127.0.0.1:8889    

我要做什么才能在我的vs代码中运行jupyter？