style：首页-设备分类统计图表label属性添加value显示

src/views/Home/Index.vue

@@ -424,13 +424,14 @@ const deviceRepairLineOptions = ref<EChartsOption>({
     }
   ]
 })
-const deviceCategoryPieOptionsData = ref<EChartsOption>(
+const deviceCategoryPieOptionsData = ref<EChartsOption>({
-	{title: {
+	title: {
     text: '设备分类统计',
     left: 'center'
   },
   tooltip: {
-    trigger: 'item'
+    trigger: 'item',
+    formatter: '{b}：{c}'
   },
   legend: {
     orient: 'vertical',
@@ -442,10 +443,13 @@ const deviceCategoryPieOptionsData = ref<EChartsOption>(
       type: 'pie',
       radius: '55%',
       center: ['50%', '60%'],
+	      label: {
+	        show: true,
+	        formatter: '{b}：{c}'
 	      }
-  ]
     }
-)
+  ]
+})
 
 const moldTypeBarOptionsData = ref<EChartsOption>({
 title: {