diff --git a/app/lib/widgets/dde_data_table.dart b/app/lib/widgets/dde_data_table.dart
index bbf5d38..32fd8b8 100644
--- a/app/lib/widgets/dde_data_table.dart
+++ b/app/lib/widgets/dde_data_table.dart
@@ -1,3 +1,4 @@
+// ignore_for_file: unnecessary_null_comparison
 // Copyright 2014 The Flutter Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.