diff --git a/tests/pytest/crash_gen/crash_gen_main.py b/tests/pytest/crash_gen/crash_gen_main.py
index eeffe15a88..18c3957630 100755
--- a/tests/pytest/crash_gen/crash_gen_main.py
+++ b/tests/pytest/crash_gen/crash_gen_main.py
@@ -255,7 +255,7 @@ class WorkerThread:
 
 
 class ThreadCoordinator:
-    WORKER_THREAD_TIMEOUT = 1200  # Normal: 120
+    WORKER_THREAD_TIMEOUT = 120  # Normal: 120
 
     def __init__(self, pool: ThreadPool, dbManager: DbManager):
         self._curStep = -1  # first step is 0
@@ -1374,6 +1374,7 @@ class Task():
                 0x707,  # Query not ready
                 0x396,  # Database in creating status
                 0x386,  # Database in droping status
+                0x03E1, # failed on tmq_subscribe ,topic not exist
 
 
                 1000  # REST catch-all error
@@ -1905,18 +1906,23 @@ class TaskCreateConsumers(StateTransitionTask):
 
     @classmethod
     def canBeginFrom(cls, state: AnyState):
-        return state.canCreateConsumers()
+        return state.canCreateConsumers()  
 
     def _executeInternal(self, te: TaskExecutor, wt: WorkerThread):
-        dbname = self._db.getName()
-       
-        sTable = self._db.getFixedSuperTable() # type: TdSuperTable
-        # wt.execSql("use db")    # should always be in place
 
-        # create Consumers 
-        if Dice.throw(50)==0:  # because subscribe is cost so much time , Reduce frequency of this task 
-            if sTable.hasTopics(wt.getDbConn()):
-                sTable.createConsumer(wt.getDbConn(),random.randint(1,10))
+        if Config.getConfig().connector_type == 'native':   
+            dbname = self._db.getName()
+        
+            sTable = self._db.getFixedSuperTable() # type: TdSuperTable
+            # wt.execSql("use db")    # should always be in place
+
+            # create Consumers 
+            if Dice.throw(50)==0:  # because subscribe is cost so much time , Reduce frequency of this task 
+                if sTable.hasTopics(wt.getDbConn()):
+                    sTable.createConsumer(wt.getDbConn(),random.randint(1,10))
+        else:
+            print(" restful not support tmq consumers")
+            return 
 
         
 class TaskCreateSuperTable(StateTransitionTask):
@@ -2048,7 +2054,10 @@ class TdSuperTable:
             topic_list = TaosTmqList()
             for topic in current_topic_list:
                 topic_list.append(topic)
-            consumer.subscribe(topic_list)
+            try:
+                consumer.subscribe(topic_list)
+            except TmqError as e :
+                pass
             time.sleep(5) # consumer work only 5 sec ,and then it will exit 
             try:
                 consumer.unsubscribe()
@@ -3326,4 +3335,3 @@ class Container():
             return
         self._verifyValidProperty(name)
         self._cargo[name] = value
-