diff --git a/src/benchTmq.c b/src/benchTmq.c
index 34b33653..4de47719 100644
--- a/src/benchTmq.c
+++ b/src/benchTmq.c
@@ -73,8 +73,8 @@ static int create_topic() {
         if (taos_errno(res) != 0) {
             errorPrint("failed to create topic: %s, reason: %s\n",
                      pConsumerInfo->topicName[i], taos_errstr(res));
-            closeBenchConn(conn);
             taos_free_result(res);
+            closeBenchConn(conn);
             return -1;
         }