修复视图消息样式问题

src/components/app-alert-group/app-alert-group.vue

@@ -114,7 +114,6 @@ export default class AppAlertGroup extends Vue {
 
 <style lang="less">
 .view-body-messages {
-    margin-top: -10px;
     margin-bottom: 6px;
 }
 </style>
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