diff --git a/CHANGELOG.md b/CHANGELOG.md
index cb778c2c8a..6c881bc7d0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -60,6 +60,7 @@ Please mark all change in change log and use the issue from GitHub
 -   \#1598 Server down during mixed operations
 -   \#1601 External link bug in HTTP doc
 -   \#1609 Refine Compact function
+-   \#1635 Vectors can be returned by searching after vectors deleted if `cache_insert_data` set true
 
 ## Feature
 -   \#216 Add CLI to get server info