diff --git a/source/common/src/tmsg.c b/source/common/src/tmsg.c
index 1f0023278f..94483b8a64 100644
--- a/source/common/src/tmsg.c
+++ b/source/common/src/tmsg.c
@@ -5124,7 +5124,7 @@ int tDecodeSVCreateTbReq(SDecoder *pCoder, SVCreateTbReq *pReq) {
       char  name[TSDB_COL_NAME_LEN] = {0};
       char *tmp = NULL;
       if (tDecodeCStr(pCoder, &tmp) < 0) return -1;
-      strcpy(name, tmp);
+      strncpy(name, tmp, TSDB_COL_NAME_LEN - 1);
       taosArrayPush(pReq->ctb.tagName, name);
     }
   } else if (pReq->type == TSDB_NORMAL_TABLE) {