服务器vscode运行jupyter报错

服务器运行jupyter，报错：

log

Cannot execute code, session has been disposed. Please try restarting the Kernel.

The Kernel crashed while executing code in the the current cell or a previous cell. Please review the code in the cell(s) to identify a possible cause of the failure. Click here for more info. View Jupyter log for further details.

不知道是啥原因