diff --git a/tests/pytest/stable/json_tag.py b/tests/pytest/stable/json_tag.py
index 774a5570821ca491c4de3547c1247156cbd6dbd8..5f4e4acc136953ec13711f2cabe3eab040d90cbb 100644
--- a/tests/pytest/stable/json_tag.py
+++ b/tests/pytest/stable/json_tag.py
@@ -30,31 +30,32 @@ class TDTestCase:
         print("==============step1")
         tdLog.info("create database and table")
         tdSql.execute("create database db_json_tag_test")
-        #tdSql.execute("create table if not exists db_json_tag_test.jsons1(ts timestamp, dataInt int, dataStr nchar(50)) tags(jtag json)")
-        #tdSql.execute("CREATE TABLE if not exists db_json_tag_test.jsons1_1 using db_json_tag_test.jsons1 tags('{\"loc\":\"fff\",\"id\":5}')")
-        #tdSql.execute("CREATE TABLE if not exists db_json_tag_test.jsons1_3 using db_json_tag_test.jsons1 tags(3333)")
-        #tdSql.execute("insert into db_json_tag_test.jsons1_2 using db_json_tag_test.jsons1 tags('{\"num\":5,\"location\":\"beijing\"}' values (now, 1, 'sss')")
-        #tdSql.execute("insert into db_json_tag_test.jsons1_4 using db_json_tag_test.jsons1 tags(3)")
+        tdSql.execute("create table if not exists db_json_tag_test.jsons1(ts timestamp, dataInt int, dataStr nchar(50)) tags(jtag json)")
+        tdSql.execute("CREATE TABLE if not exists db_json_tag_test.jsons1_1 using db_json_tag_test.jsons1 tags('{\"loc\":\"fff\",\"id\":5}')")
+        tdSql.error("CREATE TABLE if not exists db_json_tag_test.jsons1_3 using db_json_tag_test.jsons1 tags(3333)")
+        tdSql.execute("insert into db_json_tag_test.jsons1_2 using db_json_tag_test.jsons1 tags('{\"num\":5,\"location\":\"beijing\"}') values (now, 1, 'sss')")
+        tdSql.error("insert into db_json_tag_test.jsons1_4 using db_json_tag_test.jsons1 tags(3)")
 
         print("==============step2")
         tdLog.info("select table")
 
-        #tdSql.query("select * from db_json_tag_test.jsons1")
-        #tdSql.checkRows(1)
+        tdSql.query("select * from db_json_tag_test.jsons1")
+        tdSql.checkRows(1)
 
-        #tdSql.query("select jtag from db_json_tag_test.jsons1_1")
-        #tdSql.checkRows(1)
+        tdSql.query("select jtag from db_json_tag_test.jsons1_1")
+        tdSql.checkRows(1)
 
         print("==============step3")
         tdLog.info("alter stable add tag")
-        #tdSql.execute("ALTER STABLE db_json_tag_test.jsons1 add tag tag2 nchar(20)")
+        tdSql.error("ALTER STABLE db_json_tag_test.jsons1 add tag tag2 nchar(20)")
 
-        #tdSql.execute("ALTER STABLE db_json_tag_test.jsons1 drop tag jtag")
+        tdSql.error("ALTER STABLE db_json_tag_test.jsons1 drop tag jtag")
 
-        #tdSql.execute("ALTER TABLE db_json_tag_test.jsons1_1 SET TAG jtag=4")
-
-        #tdSql.execute("ALTER TABLE db_json_tag_test.jsons1_1 SET TAG jtag='{\"sex\":\"femail\",\"age\":35}'")
+        tdSql.error("ALTER TABLE db_json_tag_test.jsons1_1 SET TAG jtag=4")
 
+        tdSql.execute("ALTER TABLE db_json_tag_test.jsons1_1 SET TAG jtag='{\"sex\":\"femail\",\"age\":35}'")
+        tdSql.query("select jtag from db_json_tag_test.jsons1_1    ")
+        tdSql.checkData(0, 0, "{\"sex\":\"femail\",\"age\":35}")
     def stop(self):
         tdSql.close()
         tdLog.success("%s successfully executed" % __file__)