From bed01128bb08eab8f34468f182928408dc5b9137 Mon Sep 17 00:00:00 2001
From: wangmm0220 <wangmm0220@gmail.com>
Date: Fri, 30 Dec 2022 18:03:01 +0800
Subject: [PATCH] fix:json parse error

---
 source/client/src/clientSmlJson.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/source/client/src/clientSmlJson.c b/source/client/src/clientSmlJson.c
index bff4f49735..31b0ed455b 100644
--- a/source/client/src/clientSmlJson.c
+++ b/source/client/src/clientSmlJson.c
@@ -342,8 +342,8 @@ int smlJsonParseObjFirst(char **start, SSmlLineInfo *element, int8_t *offset){
     (*start)++;
   }
 
-  if(unlikely(index != OTD_JSON_FIELDS_NUM)) {
-    uError("elements != %d", OTD_JSON_FIELDS_NUM)
+  if(unlikely(index != OTD_JSON_FIELDS_NUM) || element->tags == NULL || element->cols == NULL || element->measure == NULL || element->timestamp == NULL) {
+    uError("elements != %d or element parse null", OTD_JSON_FIELDS_NUM)
     return -1;
   }
   return 0;
-- 
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