diff --git a/tests/system-test/0-others/compatibility.py b/tests/system-test/0-others/compatibility.py
index 04cbcb4e54e6a3e457192724961ee014b11291c6..e81579a9e4ca3f2f72b9aff3892f1ed2878855a1 100644
--- a/tests/system-test/0-others/compatibility.py
+++ b/tests/system-test/0-others/compatibility.py
@@ -101,55 +101,55 @@ class TDTestCase:
         os.system(f"LD_LIBRARY_PATH=/usr/lib taosBenchmark -t {tableNumbers} -n {recordNumbers1} -y  ")
         sleep(3)
 
-#         # tdsqlF.query(f"select count(*) from {stb}")
-#         # tdsqlF.checkData(0,0,tableNumbers*recordNumbers1)
-#         os.system("pkill taosd")
-#         sleep(1)
-
-#         tdLog.printNoPrefix("==========step2:update new version ")
-#         self.buildTaosd(bPath)
-#         tdDnodes.start(1)
-#         sleep(1)
-#         tdsql=tdCom.newTdSql()
-#         print(tdsql)
-
-
-#         tdsql.query(f"SELECT SERVER_VERSION();")
-#         nowServerVersion=tdsql.queryResult[0][0]
-#         tdLog.info(f"New server version is {nowServerVersion}")
-#         tdsql.query(f"SELECT CLIENT_VERSION();")
-#         nowClientVersion=tdsql.queryResult[0][0]
-#         tdLog.info(f"New client version is {nowClientVersion}")
-
-#         tdLog.printNoPrefix(f"==========step3:prepare and check data in new version-{nowServerVersion}")
-#         tdsql.query(f"select count(*) from {stb}")
-#         tdsql.checkData(0,0,tableNumbers*recordNumbers1)        
-#         os.system(f"taosBenchmark -t {tableNumbers} -n {recordNumbers2} -y  ")
-#         tdsql.query(f"select count(*) from {stb}")
-#         tdsql.checkData(0,0,tableNumbers*recordNumbers2)
-
-#         tdsql=tdCom.newTdSql()
-#         tdLog.printNoPrefix(f"==========step4:verify backticks in taos Sql-TD18542")
-#         tdsql.execute("drop database if exists db")
-#         tdsql.execute("create database db")
-#         tdsql.execute("use db")
-#         tdsql.execute("create stable db.stb1 (ts timestamp, c1 int) tags (t1 int);")
-#         tdsql.execute("insert into db.ct1 using db.stb1 TAGS(1) values(now(),11);")
-#         tdsql.error(" insert into `db.ct2` using db.stb1 TAGS(9) values(now(),11);")
-#         tdsql.error(" insert into db.`db.ct2` using db.stb1 TAGS(9) values(now(),11);")
-#         tdsql.execute("insert into `db`.ct3 using db.stb1 TAGS(3) values(now(),13);")
-#         tdsql.query("select * from db.ct3")
-#         tdsql.checkData(0,1,13)
-#         tdsql.execute("insert into db.`ct4` using db.stb1 TAGS(4) values(now(),14);")
-#         tdsql.query("select * from db.ct4")
-#         tdsql.checkData(0,1,14)
-#         tdsql.query("describe  information_schema.ins_databases;")
-#         qRows=tdsql.queryRows   
-#         for i in  range(qRows) :
-#             if tdsql.queryResult[i][0]=="retentions" :
-#                 return True
-#             else:
-#                 return False
+        # tdsqlF.query(f"select count(*) from {stb}")
+        # tdsqlF.checkData(0,0,tableNumbers*recordNumbers1)
+        os.system("pkill taosd")
+        sleep(1)
+
+        tdLog.printNoPrefix("==========step2:update new version ")
+        self.buildTaosd(bPath)
+        tdDnodes.start(1)
+        sleep(1)
+        tdsql=tdCom.newTdSql()
+        print(tdsql)
+
+
+        tdsql.query(f"SELECT SERVER_VERSION();")
+        nowServerVersion=tdsql.queryResult[0][0]
+        tdLog.info(f"New server version is {nowServerVersion}")
+        tdsql.query(f"SELECT CLIENT_VERSION();")
+        nowClientVersion=tdsql.queryResult[0][0]
+        tdLog.info(f"New client version is {nowClientVersion}")
+
+        tdLog.printNoPrefix(f"==========step3:prepare and check data in new version-{nowServerVersion}")
+        tdsql.query(f"select count(*) from {stb}")
+        tdsql.checkData(0,0,tableNumbers*recordNumbers1)        
+        os.system(f"taosBenchmark -t {tableNumbers} -n {recordNumbers2} -y  ")
+        tdsql.query(f"select count(*) from {stb}")
+        tdsql.checkData(0,0,tableNumbers*recordNumbers2)
+
+        tdsql=tdCom.newTdSql()
+        tdLog.printNoPrefix(f"==========step4:verify backticks in taos Sql-TD18542")
+        tdsql.execute("drop database if exists db")
+        tdsql.execute("create database db")
+        tdsql.execute("use db")
+        tdsql.execute("create stable db.stb1 (ts timestamp, c1 int) tags (t1 int);")
+        tdsql.execute("insert into db.ct1 using db.stb1 TAGS(1) values(now(),11);")
+        tdsql.error(" insert into `db.ct2` using db.stb1 TAGS(9) values(now(),11);")
+        tdsql.error(" insert into db.`db.ct2` using db.stb1 TAGS(9) values(now(),11);")
+        tdsql.execute("insert into `db`.ct3 using db.stb1 TAGS(3) values(now(),13);")
+        tdsql.query("select * from db.ct3")
+        tdsql.checkData(0,1,13)
+        tdsql.execute("insert into db.`ct4` using db.stb1 TAGS(4) values(now(),14);")
+        tdsql.query("select * from db.ct4")
+        tdsql.checkData(0,1,14)
+        tdsql.query("describe  information_schema.ins_databases;")
+        qRows=tdsql.queryRows   
+        for i in  range(qRows) :
+            if tdsql.queryResult[i][0]=="retentions" :
+                return True
+            else:
+                return False
     def stop(self):
         tdSql.close()
         tdLog.success(f"{__file__} successfully executed")