diff --git a/tests/system-test/7-tmq/tmqCommon.py b/tests/system-test/7-tmq/tmqCommon.py
index 2cd5d0a4a8..3ea8273e7f 100644
--- a/tests/system-test/7-tmq/tmqCommon.py
+++ b/tests/system-test/7-tmq/tmqCommon.py
@@ -577,6 +577,20 @@ class TMQCom:
         tdLog.info(tsql.queryResult)
         tdLog.info("wait subscriptions exit for %d s"%wait_cnt)
 
+    def killProcesser(self, processerName):
+        killCmd = (
+            "ps -ef|grep -w %s| grep -v grep | awk '{print $2}' | xargs kill -TERM > /dev/null 2>&1"
+            % processerName
+        )
+
+        psCmd = "ps -ef|grep -w %s| grep -v grep | awk '{print $2}'" % processerName
+        processID = subprocess.check_output(psCmd, shell=True)
+
+        while processID:
+            os.system(killCmd)
+            time.sleep(1)
+            processID = subprocess.check_output(psCmd, shell=True)
+
     def close(self):
         self.cursor.close()
 
diff --git a/tests/system-test/7-tmq/tmqDropConsumer.py b/tests/system-test/7-tmq/tmqDropConsumer.py
index 9da11c25cb..786d9a6e91 100644
--- a/tests/system-test/7-tmq/tmqDropConsumer.py
+++ b/tests/system-test/7-tmq/tmqDropConsumer.py
@@ -235,28 +235,28 @@ class TDTestCase:
             if (0 == existFlag):
                 groupIdList.append(groupId)
         
-        # # kill taosBenchmark        
-        # os.system("pkill -9 taosBenchmark")
+        # kill taosBenchmark        
+        tmqCom.killProcesser("taosBenchmark")
         
-        # # wait the status to "lost"
-        # while (1):
-        #     exitFlag = 1
-        #     tdSql.query('show consumers;')
-        #     consumerNUm = tdSql.queryRows 
-        #     for i in range(consumerNUm): 
-        #         status = tdSql.getData(i,3)
-        #         if (status != "lost"):
-        #             exitFlag = 0
-        #             time.sleep(2)
-        #             break
-        #     if (1 == exitFlag):
-        #         break
+        # wait the status to "lost"
+        while (1):
+            exitFlag = 1
+            tdSql.query('show consumers;')
+            consumerNUm = tdSql.queryRows 
+            for i in range(consumerNUm): 
+                status = tdSql.getData(i,3)
+                if (status != "lost"):
+                    exitFlag = 0
+                    time.sleep(2)
+                    break
+            if (1 == exitFlag):
+                break
         
-        # # drop consumer groups
-        # for i in range(len(groupIdList)): 
-        #     for j in range(len(topicNameList)): 
-        #         sqlCmd = f"drop consumer group `%s` on %s"%(groupIdList[i], topicNameList[j])
-        #         tdSql.execute(sqlCmd)
+        # drop consumer groups
+        for i in range(len(groupIdList)): 
+            for j in range(len(topicNameList)): 
+                sqlCmd = f"drop consumer group `%s` on %s"%(groupIdList[i], topicNameList[j])
+                tdSql.execute(sqlCmd)
                 
         tmqCom.g_end_insert_flag = 1
         tdLog.debug("notify sub-thread to stop insert data")