diff --git a/frontend/src/views/panel/SubjectSetting/PanelStyle/BackgroundSelector.vue b/frontend/src/views/panel/SubjectSetting/PanelStyle/BackgroundSelector.vue
index 6df37ee2cf..3c9e9f1477 100644
--- a/frontend/src/views/panel/SubjectSetting/PanelStyle/BackgroundSelector.vue
+++ b/frontend/src/views/panel/SubjectSetting/PanelStyle/BackgroundSelector.vue
@@ -12,7 +12,7 @@
{{ $t('chart.color') }}
-
+