diff --git a/template/admin/src/assets/images/sort03.jpg b/template/admin/src/assets/images/sort03.jpg
deleted file mode 100644
index bdc8b14e4..000000000
Binary files a/template/admin/src/assets/images/sort03.jpg and /dev/null differ
diff --git a/template/admin/src/assets/images/sort03.png b/template/admin/src/assets/images/sort03.png
new file mode 100644
index 000000000..eeec4b80c
Binary files /dev/null and b/template/admin/src/assets/images/sort03.png differ
diff --git a/template/admin/src/pages/setting/devise/goodClass.vue b/template/admin/src/pages/setting/devise/goodClass.vue
index e0f1f395f..0ca242f17 100644
--- a/template/admin/src/pages/setting/devise/goodClass.vue
+++ b/template/admin/src/pages/setting/devise/goodClass.vue
@@ -28,7 +28,7 @@ export default {
       classList: [
         { image: require('@/assets/images/sort01.jpg'), name: '样式1' },
         { image: require('@/assets/images/sort02.jpg'), name: '样式2' },
-        { image: require('@/assets/images/sort03.jpg'), name: '样式3' },
+        { image: require('@/assets/images/sort03.png'), name: '样式3' },
       ],
       activeStyle: '-1',
     };