Update CHANGELOG

Signed-off-by: NJinHai-CN <hai.jin@zilliz.com>

CHANGELOG.md

@@ -17,7 +17,7 @@ Please mark all change in change log and use the issue from GitHub
 -   \#1022 Check if partition name is valid
 -   \#1028 check if table exists when show partitions
 -   \#1029 check if table exists when try to delete partition
--   \#1066 optimize http insert and search speed
+-   \#1066 Optimize http insert and search speed
 -   \#1022 Check if partition name is legal
 -   \#1028 Check if table exists when show partitions
 -   \#1029 Check if table exists when try to delete partition