diff --git a/assets/user/downgrade_master.png.webp b/assets/user/downgrade_master.png.webp
deleted file mode 100644
index 0599eed..0000000
Binary files a/assets/user/downgrade_master.png.webp and /dev/null differ
diff --git a/assets/user/downgrade_master.webp b/assets/user/downgrade_master.webp
new file mode 100644
index 0000000..ad83e65
Binary files /dev/null and b/assets/user/downgrade_master.webp differ
diff --git a/assets/user/downgrade_silver.png.webp b/assets/user/downgrade_silver.png.webp
deleted file mode 100644
index 03a0c77..0000000
Binary files a/assets/user/downgrade_silver.png.webp and /dev/null differ
diff --git a/assets/user/downgrade_silver.webp b/assets/user/downgrade_silver.webp
new file mode 100644
index 0000000..87799b1
Binary files /dev/null and b/assets/user/downgrade_silver.webp differ
diff --git a/lib/pages/home/home_page.dart b/lib/pages/home/home_page.dart
index c45d286..214be2a 100644
--- a/lib/pages/home/home_page.dart
+++ b/lib/pages/home/home_page.dart
@@ -1494,10 +1494,10 @@ class _HomePageState extends BaseStoreState<HomePage>
       if (oldLevel < nowLevel) {
         switch (UserLevelTool.roleLevelEnum(nowLevel)) {
           case UserRoleLevel.Silver:
-            img = R.ASSETS_USER_DOWNGRADE_SILVER_PNG_WEBP;
+            img = R.ASSETS_USER_DOWNGRADE_SILVER_WEBP;
             break;
           case UserRoleLevel.Master:
-            img = R.ASSETS_USER_DOWNGRADE_MASTER_PNG_WEBP;
+            img = R.ASSETS_USER_DOWNGRADE_MASTER_WEBP;
             break;
           default:
             break;