diff --git a/be/src/olap/tablet_schema.h b/be/src/olap/tablet_schema.h
index cb251d9f14..029401468d 100644
--- a/be/src/olap/tablet_schema.h
+++ b/be/src/olap/tablet_schema.h
@@ -363,7 +363,7 @@ public:
         for (const auto& index : _indexes) {
             if (index.index_type() == IndexType::INVERTED) {
                 //if index_id == -1, ignore it.
-                if (index.col_unique_ids()[0] >= 0) {
+                if (!index.col_unique_ids().empty() && index.col_unique_ids()[0] >= 0) {
                     return true;
                 }
             }