fix bugs

Author: zhwang4ai

_tabs/about.md

@@ -41,28 +41,31 @@ _CraftJarvis_
 ![PKU](/assets/img/PKU-logo.png){: .no-popup .logo width="75" }
 _PKU_
 
-<!-- ![UCLA](/assets/img/UCLA-logo.png){: .no-popup .logo width="75" }
-_UCLA_ -->
+![UCLA](/assets/img/UCLA-logo.png){: .no-popup .logo width="75" }
+_UCLA_
 
 ![BIGAI](/assets/img/BIGAI-logo.png){: .no-popup .logo width="75" }
 _BIGAI_
 
 </div>
 
-## Collaborators
+## Contributions
 
 <div class="fit-content grid grid-cols-5 m-auto gap-4" markdown="1">
 
+![Zihao Wang](/assets/img/contributors/WangZihao.png){: .no-popup .logo width="75" }
+_Zihao Wang_
+
 ![Shaofei Cai](/assets/img/contributors/CaiShaofei.png){: .no-popup .logo width="75" }
-_[Shaofei Cai](https://phython96.github.io/)_
+_Shaofei Cai_
 
 ![Anji Liu](/assets/img/contributors/LiuAnji.png){: .no-popup .logo width="75" }
-_[Anji Liu](https://liuanji.github.io/)_
+_Anji Liu_
 
 ![Xiaojian Ma](/assets/img/contributors/MaXiaojian.png){: .no-popup .logo width="75" }
-_[Xiaojian Ma](https://web.cs.ucla.edu/~xm/)_
+_Xiaojian Ma_
 
 ![Yitao Liang](/assets/img/contributors/LiangYitao.png){: .no-popup .logo width="75" }
-_[Yitao Liang](https://web.cs.ucla.edu/~yliang/)_
+_Yitao Liang_
 
 </div>