完善了一下怪物挑战界面的显示

Build_God_Game/src/views/MonsterListView.vue

@@ -137,6 +137,7 @@ onMounted(async () => {
         </div>
       </div>
     </div>
+
   </div>
 </template>
 
@@ -159,6 +160,8 @@ onMounted(async () => {
 .page-container {
   max-width: 480px;
   margin: 0 auto;
+  position: relative;
+  z-index: 10;
 }
 
 .page-header {