[frontend-next] Optimized dark mode

frontend/src/components/Chart/AreaChart.vue

@@ -118,7 +118,7 @@ const callback = () => {
             }
         }
     }
-    instance!.updateOptions(chartOptions)
+    instance?.updateOptions?.(chartOptions)
 }
 
 

frontend/src/dark.less

@@ -1 +1 @@
-@import "ant-design-vue/lib/style/themes/dark.less";
+@import "ant-design-vue/dist/antd.dark";

frontend/src/layouts/BaseLayout.vue

@@ -134,7 +134,8 @@ body {
 }
 
 .ant-layout-header {
-    background-color: #fff;
+    padding: 0 !important;
+    background-color: #fff !important;
     @media @dark {
         background-color: #1f1f1f !important;
     }
@@ -184,10 +185,6 @@ body {
     }
 }
 
-.ant-layout-header {
-    padding: 0 !important;
-}
-
 .ant-table-small {
     font-size: 13px;
 }