diff --git a/CHANGELOG.md b/CHANGELOG.md
index e2f326e49c..3905cb21d9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,6 +26,7 @@ Please mark all change in change log and use the ticket from JIRA.
 - MS-653 - When config check fail, Milvus close without message
 - MS-654 - Describe index timeout when building index
 - MS-658 - Fix SQ8 Hybrid can't search
+- \#20 - C++ sdk example get grpc error 
 - \#23 - Add unittest to improve code coverage
 
 ## Improvement
@@ -191,8 +192,6 @@ Please mark all change in change log and use the ticket from JIRA.
 - MS-570 - Add prometheus docker-compose file
 - MS-576 - Scheduler refactor
 - MS-592 - Change showtables stream transport to unary
-- /#23 - Add unittest to improve code coverage
-sfasdas
 
 ## New Feature
 - MS-343 - Implement ResourceMgr