fix:图表loading背景色

src/views/home/chart.vue

@@ -211,6 +211,7 @@ const formatSeconds = (seconds: number) => {
     </el-descriptions>
     <div
       v-loading="chartLoading"
+      element-loading-background="rgba(255, 255, 255, 0.1)"
       class="line-chart-content"
       :style="{ 'grid-template-columns': `repeat(${chartList.length},1fr)` }"
     >