Broken dataset links under thuir.cn/opensource

[weiwch]

Hello,

I found that the dataset links listed under https://www.thuir.cn/opensource/ are currently broken. When trying to access them, it shows a "Page Not Found" error with the message "Try searching the whole site for the content you want."

Here are a few examples of the broken links:

• https://www.thuir.cn/data-srr
• https://www.thuir.cn/TianGong-CRL/