update nav link

Signed-off-by: lish <lish@csdn.net>

nav.config.ts

@@ -76,7 +76,7 @@ const c: IConfig = {
     posterImageUrls: [
       'https://codechina_dev.gitcode.host/git/assets/img/pattern2.svg'
     ],
-    description: '<h4><a href="https://bbs.csdn.net/topics/603471283" target="_blank">Git 上手</a><a href="https://gitcode.net/" target="_blank">GitCode</a><a href="https://bbs.csdn.net/forums/opensource?typeId=285&category=18"  target="_blank">开源科普</a><a href="https://bbs.csdn.net/forums/opensource?typeId=285&category=18" target="_blank">我要贡献内容 🙋‍♂️</a></h4>'
+    description: '<h4><a href="https://bbs.csdn.net/topics/603471283" target="_blank">Git 上手</a><a href="https://gitcode.net/" target="_blank">GitCode</a><a href="https://bbs.csdn.net/forums/opensource?typeId=285&category=18"  target="_blank">开源科普</a><a href="https://bbs.csdn.net/topics/603483762" target="_blank">我要贡献内容 🙋‍♂️</a></h4>'
   }
 }