diff --git a/src/sql/engine/cmd/ob_load_data_impl.h b/src/sql/engine/cmd/ob_load_data_impl.h
index 43c65ae896..b5bd969241 100644
--- a/src/sql/engine/cmd/ob_load_data_impl.h
+++ b/src/sql/engine/cmd/ob_load_data_impl.h
@@ -685,7 +685,7 @@ public:
     InsertTask,
   };
   struct ToolBox {
-    ToolBox() : file_reader(nullptr), job_status(nullptr), expr_buffer(nullptr) {}
+    ToolBox() : file_reader(nullptr), job_status(nullptr), expr_buffer(nullptr), temp_handle(nullptr) {}
     int init(ObExecContext &ctx, ObLoadDataStmt &load_stmt);
     int build_calc_partid_expr(ObExecContext &ctx,
                                ObLoadDataStmt &load_stmt,