update 20220106 oss news.

explore/index.yml

@@ -52,14 +52,14 @@ projects:
 - opendilab/DI-treetensor
 
 headlines:
+  - title: "DC2021分布式数据库开发者大会"
+    time: "2022-01-06 09:25"
+    catetory: "开源新闻"
+    link: "https://open.oceanbase.com/community/activities/1921839"
   - title: "「开源之技」:那些「开源之道」最终呈现的部分"
     time: "2022-01-06 10:20"
     catetory: "开源评论"
     link: "https://opensourceway.community/posts/opensource_technology/the-art-of-open-source/"
-  - title: "复杂统计报表制作、运行工具CellReport"
-    time: "2022-01-06 10:25"
-    catetory: "开源项目"
-    link: "https://www.toutiao.com/a7048947928605753894/?log_from=6d65c6d8484b9_1641279810042"
   - title: "Apache孵化器指南"
     time: "2022-01-06 10:26"
     catetory: "开源基金会"