diff --git a/source/dnode/mnode/impl/src/mndConsumer.c b/source/dnode/mnode/impl/src/mndConsumer.c
index 2ce7f0ae5f..7f5df5d356 100644
--- a/source/dnode/mnode/impl/src/mndConsumer.c
+++ b/source/dnode/mnode/impl/src/mndConsumer.c
@@ -376,7 +376,7 @@ static int32_t mndProcessSubscribeReq(SNodeMsg *pMsg) {
     if (mndTransPrepare(pMnode, pTrans) != 0) goto SUBSCRIBE_OVER;
 
   } else {
-    taosRLockLatch(&pConsumerOld->lock);
+    /*taosRLockLatch(&pConsumerOld->lock);*/
     int32_t status = atomic_load_32(&pConsumerOld->status);
     if (status != MQ_CONSUMER_STATUS__READY) {
       terrno = TSDB_CODE_MND_CONSUMER_NOT_READY;
@@ -440,7 +440,7 @@ static int32_t mndProcessSubscribeReq(SNodeMsg *pMsg) {
 
 SUBSCRIBE_OVER:
   if (pConsumerOld) {
-    taosRUnLockLatch(&pConsumerOld->lock);
+    /*taosRUnLockLatch(&pConsumerOld->lock);*/
     mndReleaseConsumer(pMnode, pConsumerOld);
   }
   if (pConsumerNew) {
@@ -628,9 +628,9 @@ static int32_t mndConsumerActionUpdate(SSdb *pSdb, SMqConsumerObj *pOldConsumer,
 
     // remove from removed topic
     for (int32_t i = 0; i < taosArrayGetSize(pOldConsumer->rebRemovedTopics); i++) {
-      char *topic = taosArrayGetP(pOldConsumer->rebNewTopics, i);
+      char *topic = taosArrayGetP(pOldConsumer->rebRemovedTopics, i);
       if (strcmp(removedTopic, topic) == 0) {
-        taosArrayRemove(pOldConsumer->rebNewTopics, i);
+        taosArrayRemove(pOldConsumer->rebRemovedTopics, i);
         taosMemoryFree(topic);
         break;
       }
diff --git a/tests/test/c/tmqSim.c b/tests/test/c/tmqSim.c
index 9b627e187c..1b8c0d527d 100644
--- a/tests/test/c/tmqSim.c
+++ b/tests/test/c/tmqSim.c
@@ -437,7 +437,7 @@ void* threadFunc(void* param) {
   pInfo->consumeMsgCnt = parallel_consume(tmq, 1);
   //}
 
-#if 0
+#if 1
   err = tmq_unsubscribe(tmq);
   if (err) {
     printf("tmq_unsubscribe() fail, reason: %s\n", tmq_err2str(err));
@@ -487,7 +487,7 @@ int main(int32_t argc, char* argv[]) {
     totalMsgs = parallel_consume(tmq, 0);
   }
 
-#if 0
+#if 1
   err = tmq_unsubscribe(tmq);
   if (err) {
     printf("tmq_unsubscribe() fail, reason: %s\n", tmq_err2str(err));