fix: 图片提交4x，提示画质。iOS logo提交；

lib/pages/widgets/mystery_box_widget.dart

@@ -1,6 +1,5 @@
 import 'package:flutter/material.dart';
 import 'package:skywood/main/lib_file.dart';
-import 'package:skywood/pages/home/players/page/drama_detail_page.dart';
 import 'package:skywood/utils/models/drama/skywood_drama.dart';
 
 class MysteryBoxWidget extends StatelessWidget {
@@ -16,7 +15,7 @@ class MysteryBoxWidget extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return SizedBox(
-      width: AppScreen.screenWidth, height: 400,
+      width: AppScreen.screenWidth, height: 450,
       child: Column(
         children: [
           HelpImg.asset(ConstImg.boxOpened, width: 179, height: 24),
@@ -42,7 +41,11 @@ class MysteryBoxWidget extends StatelessWidget {
               HelpNav.back();
               onTap?.call();
             }
-          )
+          ),
+          const SizedBox(height: 12),
+          IconButton(onPressed: () {
+            HelpNav.back();
+          }, icon: HelpImg.asset(ConstImg.boxClose, width: 30))
         ],
       ),
     );