diff --git a/tests/system-test/0-others/compatibility.py b/tests/system-test/0-others/compatibility.py
index f2f2e5ca4c8c76f3e7e223dc7323b1b7db493f7d..25b023bb76e9e9f34f288624a5f33daeca78d717 100644
--- a/tests/system-test/0-others/compatibility.py
+++ b/tests/system-test/0-others/compatibility.py
@@ -78,77 +78,77 @@ class TDTestCase:
     def run(self):
         bPath=self.getBuildPath()
         cPath=self.getCfgPath()
-#         dbname = "test"
-#         stb = f"{dbname}.meters"
-#         self.installTaosd(bPath,cPath)
-#         tableNumbers=100
-#         recordNumbers1=100
-#         recordNumbers2=1000
-#         tdsqlF=tdCom.newTdSql()
-#         print(tdsqlF)
-#         tdsqlF.query(f"SELECT SERVER_VERSION();")
-#         print(tdsqlF.query(f"SELECT SERVER_VERSION();"))
-#         oldServerVersion=tdsqlF.queryResult[0][0]
-#         tdLog.info(f"Base server version is {oldServerVersion}")
-#         tdsqlF.query(f"SELECT CLIENT_VERSION();")
-#         # the oldClientVersion can't be updated in the same python process,so the version is new compiled verison
-#         oldClientVersion=tdsqlF.queryResult[0][0]
-#         tdLog.info(f"Base client version is {oldClientVersion}")
-
-#         tdLog.printNoPrefix(f"==========step1:prepare and check data in old version-{oldServerVersion}")
-#         tdLog.info(f"taosBenchmark -t {tableNumbers} -n {recordNumbers1} -y  ")
-#         os.system(f"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
+        dbname = "test"
+        stb = f"{dbname}.meters"
+        self.installTaosd(bPath,cPath)
+        tableNumbers=100
+        recordNumbers1=100
+        recordNumbers2=1000
+        tdsqlF=tdCom.newTdSql()
+        print(tdsqlF)
+        tdsqlF.query(f"SELECT SERVER_VERSION();")
+        print(tdsqlF.query(f"SELECT SERVER_VERSION();"))
+        oldServerVersion=tdsqlF.queryResult[0][0]
+        tdLog.info(f"Base server version is {oldServerVersion}")
+        tdsqlF.query(f"SELECT CLIENT_VERSION();")
+        # the oldClientVersion can't be updated in the same python process,so the version is new compiled verison
+        oldClientVersion=tdsqlF.queryResult[0][0]
+        tdLog.info(f"Base client version is {oldClientVersion}")
+
+        tdLog.printNoPrefix(f"==========step1:prepare and check data in old version-{oldServerVersion}")
+        tdLog.info(f"taosBenchmark -t {tableNumbers} -n {recordNumbers1} -y  ")
+        os.system(f"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
     def stop(self):
         tdSql.close()
         tdLog.success(f"{__file__} successfully executed")