活动已结束弹框，确认按钮文案修改

components/finish-toast.vue

@@ -3,7 +3,7 @@
     <div class="content">
       <div class="top">活动已过期，感谢您的关注</div>
       <div class="bottom">
-        <span @click="closePage">确认</span>
+        <span @click="closePage">确定</span>
       </div>
     </div>
   </section>