Hugging Face dataset cannot be accessed

My IP cannot directly access huggingface.co, and even when using a proxy IP, I still encounter the following error during debugging:‌

raise ConnectionError(f"Couldn’t reach ‘{path}’ on the Hub ({e.class.name})") from e
ConnectionError: Couldn’t reach ‘cifar10’ on the Hub (LocalEntryNotFoundError)

I want to replace all occurrences of huggingface.com with hf-mirror.com in the ‘flower’ project. Which files need to be modified?

Thank you.