perf: optimize some code

src/components/Kanban/index.vue

@@ -41,7 +41,7 @@ export default {
   }
 }
 </script>
-<style lang="scss">
+<style lang="scss" scoped>
 .board-column {
   min-width: 300px;
   min-height: 100px;

src/components/SvgIcon/index.vue

@@ -1,5 +1,5 @@
 <template>
-  <svg :class="svgClass" aria-hidden="true">
+  <svg :class="svgClass" aria-hidden="true" v-on="$listeners">
     <use :xlink:href="iconName"/>
   </svg>
 </template>

src/router/index.js

@@ -297,13 +297,12 @@ export const asyncRouterMap = [
     path: '/pdf',
     component: Layout,
     redirect: '/pdf/index',
-    meta: { title: 'pdf', icon: 'pdf' },
     children: [
       {
         path: 'index',
         component: () => import('@/views/pdf/index'),
         name: 'PDF',
-        meta: { title: 'pdf' }
+        meta: { title: 'pdf', icon: 'pdf' }
       }
     ]
   },