diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index 49394f50f2e81b96b739ef21103adc32c4b07dcb..0ccbcefbcbfeacd9bf0fdf1f86657218faa7020a 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -5427,14 +5427,14 @@ void* getJsonTagValue(STable* pTable, char* key){
     JsonMapValue* p = taosArraySearch(*data, &jmvalue, tsdbCompareJsonMapValue, TD_EQ);
     if (p == NULL) return NULL;
     int16_t colId = p->colId + 1;
-    return tdGetKVRowValOfCol(pTable, colId);
+    return tdGetKVRowValOfCol(pTable->tagVal, colId);
   }else if(TABLE_TYPE(pTable) == TSDB_SUPER_TABLE){
     SArray** data = (SArray**)taosHashGet(pTable->jsonKeyMap, key, outLen);
     if(data == NULL) return NULL;
     if(taosArrayGetSize(*data) == 0) return NULL;
     JsonMapValue* p = taosArrayGet(*data, 0);
     int16_t colId = p->colId + 1;
-    return tdGetKVRowValOfCol((STable*)(p->table), colId);
+    return tdGetKVRowValOfCol(((STable*)(p->table))->tagVal, colId);
   }
   return NULL;
 }
diff --git a/src/common/inc/tdataformat.h b/src/common/inc/tdataformat.h
index f8cc374eb00e953ce307070f27a585146f5bc6da..34fed5b3baa29ce5c18a63c171d7cad3a9e36d5a 100644
--- a/src/common/inc/tdataformat.h
+++ b/src/common/inc/tdataformat.h
@@ -473,7 +473,7 @@ static FORCE_INLINE int comparTagId(const void *key1, const void *key2) {
 }
 
 static FORCE_INLINE void *tdGetKVRowValOfCol(SKVRow row, int16_t colId) {
-  void *ret = taosbsearch(&colId, kvRowColIdx(row), kvRowNCols(row), sizeof(SColIdx), comparTagId, TD_EQ);
+  void *ret = taosbsearch(&colId, kvRowColIdx(row), p (row), sizeof(SColIdx), comparTagId, TD_EQ);
   if (ret == NULL) return NULL;
   return kvRowColVal(row, (SColIdx *)ret);
 }