diff --git a/src/query/src/qSqlParser.c b/src/query/src/qSqlParser.c
index c6936781acd37d87a3e8ac03217bab00d7df4886..64f8eb05d2a1d17f3fa21db3cd489337dc53d53e 100644
--- a/src/query/src/qSqlParser.c
+++ b/src/query/src/qSqlParser.c
@@ -53,7 +53,7 @@ SSqlInfo qSqlParse(const char *pStr) {
         Parse(pParser, 0, t0, &sqlInfo);
         goto abort_parse;
       }
-      
+      case TK_QUESTION:
       case TK_ILLEGAL: {
         snprintf(sqlInfo.msg, tListLen(sqlInfo.msg), "unrecognized token: \"%s\"", t0.z);
         sqlInfo.valid = false;