conda : System could not find the file specific

I tried to install jupyter-lsp but failed. Here is what I've done: I've create a conda environment and activate it, then I followed the instruction in https://github.com/krassowski/jupyterlab-lsp but when I input

econda install -c conda-forge 'jupyterlab>=3.0.0,<4.0.0a0' jupyterlab-lsp

or

pip install 'jupyterlab>=3.0.0,<4.0.0a0' jupyterlab-lsp

then an error occurred: System could not find the file specific (I'm a Chinese, so I don't know if this error information's translation is appropriate). Then I tried to stop SSL connection, but it still dosen't work. This is my envirioment:

conda 4.14.0
pip 22.2.2

Please help me to solve this annoying problem.