diff --git a/src/client/src/tscParseInsert.c b/src/client/src/tscParseInsert.c
index e5d4d00dc04ab9bc09c7e5a8c23356b96b40d54c..8ce0efa27ad082aeb278d74962c3b336be5d190d 100644
--- a/src/client/src/tscParseInsert.c
+++ b/src/client/src/tscParseInsert.c
@@ -577,12 +577,13 @@ int32_t tsParseValues(char **str, STableDataBlocks *pDataBlock, int maxRows, SSq
 
     index = 0;
     sToken = tStrGetToken(*str, &index, false);
-    *str += index;
     if (sToken.n == 0 || sToken.type != TK_RP) {
       tscSQLSyntaxErrMsg(pCmd->payload, ") expected", *str);
       code = TSDB_CODE_TSC_SQL_SYNTAX_ERROR;
       return code;
     }
+    
+    *str += index;
 
     (*numOfRows)++;
   }