diff --git a/app/common/repositories/system/merchant/MerchantCategoryRepository.php b/app/common/repositories/system/merchant/MerchantCategoryRepository.php
index 27ad23bc..53a87746 100644
--- a/app/common/repositories/system/merchant/MerchantCategoryRepository.php
+++ b/app/common/repositories/system/merchant/MerchantCategoryRepository.php
@@ -85,7 +85,7 @@ class MerchantCategoryRepository extends BaseRepository
             Elm::input('category_name', '分类名称')->required(),
             Elm::number('commission_rate', '手续费(%)', 0)->required()->max(100)->precision(2),
             Elm::frameImage('background', '背景图', '/' . config('admin.admin_prefix') . '/setting/uploadPicture?field=background&type=1')->width('896px')->height('480px')->props(['footer' => false])->modal(['modal' => false, 'custom-class' => 'suibian-modal']),
-            Elm::frameImage('cover', '主图', '/' . config('admin.admin_prefix') . '/setting/uploadPicture?field=background&type=1')->width('896px')->height('480px')->props(['footer' => false])->modal(['modal' => false, 'custom-class' => 'suibian-modal']),
+            Elm::frameImage('cover', '主图', '/' . config('admin.admin_prefix') . '/setting/uploadPicture?field=cover&type=1')->width('896px')->height('480px')->props(['footer' => false])->modal(['modal' => false, 'custom-class' => 'suibian-modal']),
             Elm::textarea('description', '简介')->required(),
         ]);