diff --git a/source/libs/catalog/src/catalog.c b/source/libs/catalog/src/catalog.c
index 98d40930aca412f9b8b65ebded5d79d9754e036e..4afebf9951db2a895ef4b8c728e7b99fe979ce35 100644
--- a/source/libs/catalog/src/catalog.c
+++ b/source/libs/catalog/src/catalog.c
@@ -327,31 +327,28 @@ int32_t ctgChkAuth(SCatalog* pCtg, void *pTrans, const SEpSet* pMgmtEps, const c
     return TSDB_CODE_SUCCESS;
   }
 
-  SGetUserAuthRsp* authRsp = taosMemoryCalloc(1, sizeof(SGetUserAuthRsp));
-  if (NULL == authRsp) {
-    CTG_ERR_RET(TSDB_CODE_OUT_OF_MEMORY);
-  }
-  CTG_ERR_RET(ctgGetUserDbAuthFromMnode(CTG_PARAMS_LIST(), user, authRsp, NULL));
+  SGetUserAuthRsp authRsp = {0};
+  CTG_ERR_RET(ctgGetUserDbAuthFromMnode(CTG_PARAMS_LIST(), user, &authRsp, NULL));
   
-  if (authRsp->superAuth) {
+  if (authRsp.superAuth) {
     *pass = true;
     goto _return;
   }
 
-  if (authRsp->createdDbs && taosHashGet(authRsp->createdDbs, dbFName, strlen(dbFName))) {
+  if (authRsp.createdDbs && taosHashGet(authRsp.createdDbs, dbFName, strlen(dbFName))) {
     *pass = true;
     goto _return;
   }
 
-  if (type == AUTH_TYPE_READ && authRsp->readDbs && taosHashGet(authRsp->readDbs, dbFName, strlen(dbFName))) {
+  if (type == AUTH_TYPE_READ && authRsp.readDbs && taosHashGet(authRsp.readDbs, dbFName, strlen(dbFName))) {
     *pass = true;
-  } else if (type == AUTH_TYPE_WRITE && authRsp->writeDbs && taosHashGet(authRsp->writeDbs, dbFName, strlen(dbFName))) {
+  } else if (type == AUTH_TYPE_WRITE && authRsp.writeDbs && taosHashGet(authRsp.writeDbs, dbFName, strlen(dbFName))) {
     *pass = true;
   }
 
 _return:
 
-  ctgPutUpdateUserToQueue(pCtg, authRsp, false);
+  ctgPutUpdateUserToQueue(pCtg, &authRsp, false);
 
   return TSDB_CODE_SUCCESS;
 }
diff --git a/source/libs/catalog/src/ctgAsync.c b/source/libs/catalog/src/ctgAsync.c
index b3e4bf6d22cfc79a4d865698c9219584a0a65934..0341c3638bfeb6018326d1cbad86ca1363024ad9 100644
--- a/source/libs/catalog/src/ctgAsync.c
+++ b/source/libs/catalog/src/ctgAsync.c
@@ -770,7 +770,7 @@ _return:
   }
 
   ctgPutUpdateUserToQueue(pCtg, pOut, false);
-  pTask->msgCtx.out = NULL;
+  taosMemoryFreeClear(pTask->msgCtx.out);
 
   ctgHandleTaskEnd(pTask, code);
 
diff --git a/source/libs/catalog/src/ctgCache.c b/source/libs/catalog/src/ctgCache.c
index 27cd41eed5a51e66bc823ec5d2434adee60a4227..3c7d1e2bce9f247392e5aab91e5d5e916ecbad1e 100644
--- a/source/libs/catalog/src/ctgCache.c
+++ b/source/libs/catalog/src/ctgCache.c
@@ -715,8 +715,6 @@ int32_t ctgPutUpdateUserToQueue(SCatalog* pCtg, SGetUserAuthRsp *pAuth, bool syn
   action.data = msg;
 
   CTG_ERR_JRET(ctgPushAction(pCtg, &action));
-
-  taosMemoryFree(pAuth);
   
   return TSDB_CODE_SUCCESS;