Execute update_comfyui.bat：_pygit2.GitError: failed to send request: 操作超时

### Expected Behavior

How to solve it, it can always be updated

### Actual Behavior

Execute update_comfyui.bat, unable to update, there are agents, can always pull, the error appears in the past two days

### Steps to Reproduce

Execute update_comfyui.bat, unable to update, there are agents, can always pull, the error appears in the past two days

### Debug Logs

```powershell
stashing current changes
nothing to stash
creating backup branch: backup_branch_2024-12-31_16_06_11
checking out master branch
pulling latest changes
Traceback (most recent call last):
File "H:\ComfyUI_windows_portable\update\update.py", line 76, in
pull(repo)
File "H:\ComfyUI_windows_portable\update\update.py", line 11, in pull
remote.fetch()
File "H:\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pygit2\remotes.py", line 160, in fetch
payload.check_error(err)
File "H:\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pygit2\callbacks.py", line 99, in check_error
check_error(error_code)
File "H:\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pygit2\errors.py", line 66, in check_error
raise GitError(message)
_pygit2.GitError: failed to send request: 操作超时
```

### Other

_No response_