抽屉组件设置默认宽度

src/components/DrawerHistory/index.vue

@@ -3,6 +3,7 @@
     :title="title"
     :visible.sync="show"
     :direction="direction"
+    :size="size"
   >
     <div class="pa-3" v-loading="startLoading">
       <slot name="panel" :item="items"></slot>
@@ -28,6 +29,10 @@ export default {
     createDate: {
       type: String,
       default: 'createDate'
+    },
+    size: {
+      type: String,
+      default: '30%'
     }
   },
   components: {