diff --git a/tests/develop-test/2-query/table_count_scan.py b/tests/develop-test/2-query/table_count_scan.py
index 6260f9eea1..1ef65bfc67 100644
--- a/tests/develop-test/2-query/table_count_scan.py
+++ b/tests/develop-test/2-query/table_count_scan.py
@@ -8,7 +8,7 @@ from math import inf
 class TDTestCase:
     def caseDescription(self):
         '''
-        case1<shenglian zhou>: [TD-11204]Difference improvement that can ignore negative 
+        case1<shenglian zhou>: [TD-21890] table count scan test case
         ''' 
         return