diff --git a/talent-challenge-program2021/selected-projects.md b/talent-challenge-program2021/selected-projects.md
index 684b7121..bbe43b08 100644
--- a/talent-challenge-program2021/selected-projects.md
+++ b/talent-challenge-program2021/selected-projects.md
@@ -41,23 +41,23 @@ Milestone 2: ${milestone descption}, Expected finish date: ${date}
 
 #### SQL
 
-* [tidb/issues/25149](https://github.com/pingcap/tidb/issues/25149) (Occupied)Optimize CTE performance, [@wjhuang2016](https://github.com/wjhuang2016)
+* [tidb/issues/25149](https://github.com/pingcap/tidb/issues/25149) Optimize CTE performance, [@wjhuang2016](https://github.com/wjhuang2016)
 * [tidb/issues/14486](https://github.com/pingcap/tidb/issues/14486) (Occupied)Implement missing JSON functions, [@nullnotnil](https://github.com/nullnotnil)
 * [tidb/issues/25152](https://github.com/pingcap/tidb/issues/25152) GBK charset, [@xiongjiwei](https://github.com/xiongjiwei)
-* [tidb/issues/25150](https://github.com/pingcap/tidb/issues/25150) Expression index GA, [@wjhuang2016](https://github.com/wjhuang2016)
+* [tidb/issues/25150](https://github.com/pingcap/tidb/issues/25150) (Occupied)Expression index GA, [@wjhuang2016](https://github.com/wjhuang2016)
 * [tidb/issues/25204](https://github.com/pingcap/tidb/issues/25204) Local temporary table, [@djshow832](https://github.com/djshow832)
 * [tidb/issues/14580](https://github.com/pingcap/tidb/issues/14580) Only full group by check，needed things(relational algebra, graph theory), [@winoros](https://github.com/winoros)
-* [tidb/issues/25293](https://github.com/pingcap/tidb/issues/25293) Optimizing hotspot small tables, [@tiancaiamao](https://github.com/tiancaiamao)
-* [tidb/issues/13709](https://github.com/pingcap/tidb/issues/13709) Cascades planner,[@chrysanxia](https://github.com/chrysanxia)
-* [tidb/issues/18745](https://github.com/pingcap/tidb/issues/18745) Support to export historical statistics,[@qw4990](https://github.com/qw4990)
+* [tidb/issues/25293](https://github.com/pingcap/tidb/issues/25293) (Occupied)Optimizing hotspot small tables, [@tiancaiamao](https://github.com/tiancaiamao)
+* [tidb/issues/13709](https://github.com/pingcap/tidb/issues/13709) (Occupied)Cascades planner,[@chrysanxia](https://github.com/chrysanxia)
+* [tidb/issues/18745](https://github.com/pingcap/tidb/issues/18745) (Occupied)Support to export historical statistics,[@qw4990](https://github.com/qw4990)
 
 #### Storage
 
 * [tidb/issues/25281](https://github.com/pingcap/tidb/issues/25281) (Occupied)Historical Hotspot Region, [@nolouch](https://github.com/nolouch)
-* [pd/issues/4095](https://github.com/tikv/pd/issues/4095)(NEW)Enhance Split Table Stability and Usability,[@Yisaer](https://github.com/Yisaer)
+* [pd/issues/4095](https://github.com/tikv/pd/issues/4095)(Occupied)Enhance Split Table Stability and Usability,[@Yisaer](https://github.com/Yisaer)
 * [pd/issues/3736](https://github.com/tikv/pd/issues/3736) Build scheduling model with Simulink, [@bufferflies](https://github.com/bufferflies)
-* [tikv/issues/10867](https://github.com/tikv/tikv/issues/10867) Support limiting read flow for TiKV IO rate limiter,[@Connor1996](https://github.com/connor1996)
+* [tikv/issues/10867](https://github.com/tikv/tikv/issues/10867) (Occupied)Support limiting read flow for TiKV IO rate limiter,[@Connor1996](https://github.com/connor1996)
 
 #### Talent Plan
 
-* [tidb/issues/25321](https://github.com/pingcap/tidb/issues/25321) TinySQL: design and implement a learning-friendly distributed database [@rebelice](https://github.com/rebelice)
+* [tidb/issues/25321](https://github.com/pingcap/tidb/issues/25321)（Occupied） TinySQL: design and implement a learning-friendly distributed database [@rebelice](https://github.com/rebelice)