diff --git a/tests/pytest/alter/alter_table.py b/tests/pytest/alter/alter_table.py
index f1d1da29900b4d703ef6a011a46650a2e05c2f9d..2982492f6567ad54a62a3fcca44d4f1ac9560697 100644
--- a/tests/pytest/alter/alter_table.py
+++ b/tests/pytest/alter/alter_table.py
@@ -131,7 +131,7 @@ class TDTestCase:
         tdSql.execute("alter table t0 set tag t1=2.1")
 
         tdSql.query("show tables")
-        tdSql.checkRows(1)
+        tdSql.checkRows(2)
         
     def stop(self):
         tdSql.close()
diff --git a/tests/pytest/fulltest.sh b/tests/pytest/fulltest.sh
index cb233f85b8132910b316fd130983769e99452bf9..d9bc185b6c326b79d933dafc50cd7db0e0d396f4 100755
--- a/tests/pytest/fulltest.sh
+++ b/tests/pytest/fulltest.sh
@@ -190,6 +190,7 @@ python3 ./test.py -f stream/table_n.py
 
 #alter table
 python3 ./test.py -f alter/alter_table_crash.py
+python3 ./test.py -f alter/alter_table.py
 
 # client
 python3 ./test.py -f client/client.py
diff --git a/tests/pytest/table/create.py b/tests/pytest/table/create.py
index a0991d674a23065cbec5ae3b69d6bdf37ee363ac..ecd4d011418ed7eca0d028262159c5614c0f490c 100644
--- a/tests/pytest/table/create.py
+++ b/tests/pytest/table/create.py
@@ -56,6 +56,12 @@ class TDTestCase:
         tdSql.query("show stables like 'st%' ")
         tdSql.checkRows(3)
         
+        # case for defect: https://jira.taosdata.com:18080/browse/TD-2693
+        tdSql.execute("create database db2")
+        tdSql.execute("use db2")
+        tdSql.execute("create table stb(ts timestamp, c int) tags(t int)")
+        tdSql.error("insert into db2.tb6 using db2.stb tags(1) values(now 1) tb2 using db2. tags( )values(now 2)")
+        
     def stop(self):
         tdSql.close()
         tdLog.success("%s successfully executed" % __file__)