[更新] 我更喜欢这个颜色，躺

src/layouts/courseLayouts/LayoutStructure.vue

@@ -95,10 +95,10 @@ $top-section-height: 4.25rem;
   z-index: 31;
   /*TODO: 寻找更好的图片或背景颜色*/
   /*background-image: url("../../assets/sideBar.png");*/
-  /*background-image: linear-gradient(to top, #493a9e 0%, #4f54e9 100%);*/
+  background-image: linear-gradient(to top, #493a9e 0%, #4f54e9 100%);
   /*background: linear-gradient(to top, #7c71bd 0%, #4f62e9 100%);*/
   /*background: linear-gradient(to top, #7c71bdc7 0%, #6172ec 100%);*/
-  background: linear-gradient(to top, #20328ec7 0%, #0d0f23 100%);
+  /*background: linear-gradient(to top, #20328ec7 0%, #0d0f23 100%);*/
   background-size: cover;
   position: sticky;
   overflow-y: auto;