便携窗口安装comfyui的python问题

显示镜像源用不了无法下载，如何更改镜像源呢？或者修复下
PS C:\Users\PC\Documents\ComfyUI> echo "_-end-1753153758889:$?"
_-end-1753153758889:True
PS C:\Users\PC\Documents\ComfyUI> & "C:\Users\PC\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\uv\win\uv.exe" "pip" "install" "-r" "C:\Users\PC\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\requirements.txt" "--index-url" "https://mirrors.tuna.tsinghua.edu.cn/pypi/web/simple"
⠴ comfyui-workflow-templates==0.1.35 error: Failed to unzip wheel: torchsde-0.2.6-py3-none-any.whl
Caused by: an upstream reader returned an error: io error occurred: HTTP status client error (403 Forbidden) for url (https://mirrors.tuna.tsinghua.edu.cn/pypi/web/packages/dd/1f/b67ebd7e19ffe259f05d3cf4547326725c3113d640c277030be3e9998d6f/torchsde-0.2.6-py3-none-any.whl)
Caused by: io error occurred: HTTP status client error (403 Forbidden) for url (https://mirrors.tuna.tsinghua.edu.cn/pypi/web/packages/dd/1f/b67ebd7e19ffe259f05d3cf4547326725c3113d640c277030be3e9998d6f/torchsde-0.2.6-py3-none-any.whl)
Caused by: HTTP status client error (403 Forbidden) for url (https://mirrors.tuna.tsinghua.edu.cn/pypi/web/packages/dd/1f/b67ebd7e19ffe259f05d3cf4547326725c3113d640c277030be3e9998d6f/torchsde-0.2.6-py3-none-any.whl)
PS C:\Users\PC\Documents\ComfyUI> echo "_-end-1753153766331:$?"
_-end-1753153766331:False

Reproduce the Windows portable installation command using resources/uv/win/uv.exe and ComfyUI/requirements.txt, focusing on the reported 403 while downloading torchsde from the Tsinghua mirror. Trace how the package index URL is selected and verify the result by completing dependency installation without the reported download failure.

Written by the indexing model from the issue text.