Update README.md

Author: ZJUFanLab

README.md

@@ -483,7 +483,7 @@ Note: please select the right cancer type and the corresponding tissue type (See
 # Issues
 [![bug](https://img.shields.io/badge/reported-bug-orange.svg)](https://github.com/ZJUFanLab/scCATCH/issues?q=is%3Aissue+is%3Aclosed) [![error](https://img.shields.io/badge/reported-error-red.svg)](https://github.com/ZJUFanLab/scCATCH/issues?q=is%3Aissue+is%3Aclosed)
 
-Solutions for possilble bugs and errors. Please refer to closed [Issues1](https://github.com/ZJUFanLab/scCATCH/issues?q=is%3Aissue+is%3Aclosed) and [Issues2](https://github.com/ZJUFanLab/scCATCH_performance_comparison/issues/1)
+Solutions for possilble bugs and errors. Please refer to closed [Issues1](https://github.com/ZJUFanLab/scCATCH/issues?q=is%3Aissue+is%3Aclosed) and [Issues2](https://github.com/ZJUFanLab/scCATCH_performance_comparison/issues?q=is%3Aissue+is%3Aclosed)
 
 # Contributors
 ![Xin Shao](https://img.shields.io/badge/Xin-Shao-brightgreen.svg) ![Xiaohui Fan](https://img.shields.io/badge/Xiaohui-Fan-green.svg)