我为 Jupyter Lab 安装了 mitosheet 扩展，并在启动 Jupyter Lab 时收到“构建失败，500，请在服务器上运行‘jupyter lab build’以获得完整输出”错误。
我按照建议运行“jupyter lab build”，但收到“RuntimeError: npm dependencies failed to install”错误。
我正在使用公司互联网，所以我猜是防火墙问题。如果是这样，我想知道如何解决它，比如使用代理？
这是日志文件的详细信息：
[LabBuildApp] Building in C:\Users\r051122\Anaconda3\share\jupyter\lab
[LabBuildApp] Node v14.16.0
[LabBuildApp] Yarn configuration loaded.
[LabBuildApp] Building jupyterlab assets (build:prod)
[LabBuildApp] > node C:\Users\r051122\Anaconda3\lib\site-packages\jupyterlab\staging\yarn.js install --non-interactive
[LabBuildApp] yarn install v1.21.1
[1/5] Validating package.json...
[2/5] Resolving packages...
info There appears to be trouble with your network connection. Retrying...
info There appears to be trouble with your network connection. Retrying...
info There appears to be trouble with your network connection. Retrying...
info There appears to be trouble with your network connection. Retrying...
error Couldn't find package "@jupyter-widgets/base@^1.1.10 || ^2 || ^3" required by "mitosheet@file:../extensions/mitosheet-0.1.144.tgz" on the "npm" registry.
info Visit https://yarnpkg.com/en/docs/cli/install for documentation about this command.
info There appears to be trouble with your network connection. Retrying...
info There appears to be trouble with your network connection. Retrying...
info There appears to be trouble with your network connection. Retrying...
info There appears to be trouble with your network connection. Retrying...
Error: Couldn't find package "@types/fscreen@^1.0.1" required by "mitosheet@file:../extensions/mitosheet-0.1.144.tgz" on the "npm" registry.
at C:\Users\r051122\Anaconda3\share\jupyter\lab\staging\yarn.js:38113:17
at Generator.throw (<anonymous>)
at step (C:\Users\r051122\Anaconda3\share\jupyter\lab\staging\yarn.js:310:30)
at C:\Users\r051122\Anaconda3\share\jupyter\lab\staging\yarn.js:323:13
at processTicksAndRejections (internal/process/task_queues.js:93:5)
Error: Couldn't find package "ag-grid-react@^24.0.0" required by "mitosheet@file:../extensions/mitosheet-0.1.144.tgz" on the "npm" registry.
at C:\Users\r051122\Anaconda3\share\jupyter\lab\staging\yarn.js:38113:17
at Generator.throw (<anonymous>)
at step (C:\Users\r051122\Anaconda3\share\jupyter\lab\staging\yarn.js:310:30)
at C:\Users\r051122\Anaconda3\share\jupyter\lab\staging\yarn.js:323:13
at processTicksAndRejections (internal/process/task_queues.js:93:5)
Error: Couldn't find package "@types/react-dom@^16.9.8" required by "mitosheet@file:../extensions/mitosheet-0.1.144.tgz" on the "npm" registry.
at C:\Users\r051122\Anaconda3\share\jupyter\lab\staging\yarn.js:38113:17
at Generator.throw (<anonymous>)
at step (C:\Users\r051122\Anaconda3\share\jupyter\lab\staging\yarn.js:310:30)
at C:\Users\r051122\Anaconda3\share\jupyter\lab\staging\yarn.js:323:13
at processTicksAndRejections (internal/process/task_queues.js:93:5)
Error: Couldn't find package "fscreen@^1.1.0" required by "mitosheet@file:../extensions/mitosheet-0.1.144.tgz" on the "npm" registry.
at C:\Users\r051122\Anaconda3\share\jupyter\lab\staging\yarn.js:38113:17
at Generator.throw (<anonymous>)
at step (C:\Users\r051122\Anaconda3\share\jupyter\lab\staging\yarn.js:310:30)
at C:\Users\r051122\Anaconda3\share\jupyter\lab\staging\yarn.js:323:13
at processTicksAndRejections (internal/process/task_queues.js:93:5)
Error: Couldn't find package "ag-grid-community@^24.0.0" required by "mitosheet@file:../extensions/mitosheet-0.1.144.tgz" on the "npm" registry.
at C:\Users\r051122\Anaconda3\share\jupyter\lab\staging\yarn.js:38113:17
at Generator.throw (<anonymous>)
at step (C:\Users\r051122\Anaconda3\share\jupyter\lab\staging\yarn.js:310:30)
at C:\Users\r051122\Anaconda3\share\jupyter\lab\staging\yarn.js:323:13
at processTicksAndRejections (internal/process/task_queues.js:93:5)
Error: Couldn't find package "@types/react@^16.9.49" required by "mitosheet@file:../extensions/mitosheet-0.1.144.tgz" on the "npm" registry.
at C:\Users\r051122\Anaconda3\share\jupyter\lab\staging\yarn.js:38113:17
at Generator.throw (<anonymous>)
at step (C:\Users\r051122\Anaconda3\share\jupyter\lab\staging\yarn.js:310:30)
at C:\Users\r051122\Anaconda3\share\jupyter\lab\staging\yarn.js:323:13
at processTicksAndRejections (internal/process/task_queues.js:93:5)
Error: Couldn't find package "@types/analytics-node@^3.1.3" required by "mitosheet@file:../extensions/mitosheet-0.1.144.tgz" on the "npm" registry.
at C:\Users\r051122\Anaconda3\share\jupyter\lab\staging\yarn.js:38113:17
at Generator.throw (<anonymous>)
at step (C:\Users\r051122\Anaconda3\share\jupyter\lab\staging\yarn.js:310:30)
at C:\Users\r051122\Anaconda3\share\jupyter\lab\staging\yarn.js:323:13
at processTicksAndRejections (internal/process/task_queues.js:93:5)
Error: Couldn't find package "react-joyride@^2.3.0" required by "mitosheet@file:../extensions/mitosheet-0.1.144.tgz" on the "npm" registry.
at C:\Users\r051122\Anaconda3\share\jupyter\lab\staging\yarn.js:38113:17
at Generator.throw (<anonymous>)
at step (C:\Users\r051122\Anaconda3\share\jupyter\lab\staging\yarn.js:310:30)
at C:\Users\r051122\Anaconda3\share\jupyter\lab\staging\yarn.js:323:13
at processTicksAndRejections (internal/process/task_queues.js:93:5)
Error: Couldn't find package "react-intercom@^1.0.15" required by "mitosheet@file:../extensions/mitosheet-0.1.144.tgz" on the "npm" registry.
at C:\Users\r051122\Anaconda3\share\jupyter\lab\staging\yarn.js:38113:17
at Generator.throw (<anonymous>)
at step (C:\Users\r051122\Anaconda3\share\jupyter\lab\staging\yarn.js:310:30)
at C:\Users\r051122\Anaconda3\share\jupyter\lab\staging\yarn.js:323:13
at processTicksAndRejections (internal/process/task_queues.js:93:5)
[LabBuildApp] npm dependencies failed to install
[LabBuildApp] Traceback (most recent call last):
[LabBuildApp] File "C:\Users\r051122\Anaconda3\lib\site-packages\jupyterlab\debuglog.py", line 47, in debug_logging
yield
[LabBuildApp] File "C:\Users\r051122\Anaconda3\lib\site-packages\jupyterlab\labapp.py", line 138, in start
raise e
[LabBuildApp] File "C:\Users\r051122\Anaconda3\lib\site-packages\jupyterlab\labapp.py", line 134, in start
build(name=self.name, version=self.version,
[LabBuildApp] File "C:\Users\r051122\Anaconda3\lib\site-packages\jupyterlab\commands.py", line 459, in build
return handler.build(name=name, version=version, static_url=static_url,
[LabBuildApp] File "C:\Users\r051122\Anaconda3\lib\site-packages\jupyterlab\commands.py", line 652, in build
raise RuntimeError(msg)
[LabBuildApp] RuntimeError: npm dependencies failed to install
[LabBuildApp] Exiting application: JupyterLab