diff --git a/tests/script/tsim/alter/table.sim b/tests/script/tsim/alter/table.sim
index a90d8f11b3..ded5d6f78a 100644
--- a/tests/script/tsim/alter/table.sim
+++ b/tests/script/tsim/alter/table.sim
@@ -663,9 +663,11 @@ sql_error alter table tb2023 add column v varchar(16375);
 sql_error alter table tb2023 add column v varchar(16385);
 sql_error alter table tb2023 add column v varchar(33100);
 sql alter table tb2023 add column v varchar(16374);
+sql desc tb2023
 sql alter table tb2023 drop column v
 sql_error alter table tb2023 add column v nchar(4094);
 sql alter table tb2023 add column v nchar(4093);
+sql desc tb2023
 print ======= over
 sql drop database d1
 sql select * from information_schema.ins_databases