From eb9a70975ae47bc227e246300358ffb4db6b88b6 Mon Sep 17 00:00:00 2001
From: dapan1121 <wpan@taosdata.com>
Date: Tue, 4 Jan 2022 16:13:46 +0800
Subject: [PATCH] feature/qnode

---
 source/libs/qcom/src/querymsg.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/source/libs/qcom/src/querymsg.c b/source/libs/qcom/src/querymsg.c
index f24b191db3..507650159f 100644
--- a/source/libs/qcom/src/querymsg.c
+++ b/source/libs/qcom/src/querymsg.c
@@ -247,8 +247,8 @@ int32_t queryProcessTableMetaRsp(void* output, char *msg, int32_t msgSize) {
     pOut->metaNum = 2;
 
     if (pMetaMsg->dbFname[0]) {
-      snprintf(pOut->ctbFname, "%s.%s", pMetaMsg->dbFname, pMetaMsg->tbFname);
-      snprintf(pOut->tbFname, "%s.%s", pMetaMsg->dbFname, pMetaMsg->stbFname);
+      snprintf(pOut->ctbFname, sizeof(pOut->ctbFname), "%s.%s", pMetaMsg->dbFname, pMetaMsg->tbFname);
+      snprintf(pOut->tbFname, sizeof(pOut->tbFname), "%s.%s", pMetaMsg->dbFname, pMetaMsg->stbFname);
     } else {
       memcpy(pOut->ctbFname, pMetaMsg->tbFname, sizeof(pOut->ctbFname));
       memcpy(pOut->tbFname, pMetaMsg->stbFname, sizeof(pOut->tbFname));