Update README.md

Author: daka-agent

README.md

@@ -216,7 +216,7 @@ copies or substantial portions of the Software.
 
 ## 📞 联系我们
 
-- 📧 邮箱：campuscat@example.com（待更新）
+- 📧 邮箱：zhangdaka@gdufe.edu.cn
 - 💬 讨论区：[GitHub Discussions](../../discussions)
 - 🐛 问题反馈：[GitHub Issues](../../issues)
 
@@ -228,4 +228,4 @@ copies or substantial portions of the Software.
 
 <p align="center">
   Made with ❤️ by CampusCat Manager Team
-</p>
+</p>