refactor: 修改样式

src/App.vue

@@ -131,4 +131,7 @@ uni-modal {
     }
   }
 }
+::-webkit-scrollbar {
+  display: none;
+}
 </style>

src/pages/index/index.vue

@@ -75,8 +75,8 @@
     </view>
     <wd-popup :lockScroll="false" v-model="showNotice" custom-style="border-radius:40rpx;">
       <view class="px-30 py-30 w-330 h-457 notice-container rounded-20 flex flex-col">
-        <view class="text-18 font-bold py-15 text-center">系统公告</view>
-        <view class="py-15 flex-1">
+        <view class="text-18 font-bold pb-15 text-center">系统公告</view>
+        <view class="py-15 flex-1 overflow-y-auto">
           <view
             v-for="(item, index) in announcementList"
             :key="item.id"