diff --git a/modules/EasyAbp.EShop.Products/src/EasyAbp.EShop.Products.Application/EasyAbp/EShop/Products/ProductCategories/ProductCategoryAppService.cs b/modules/EasyAbp.EShop.Products/src/EasyAbp.EShop.Products.Application/EasyAbp/EShop/Products/ProductCategories/ProductCategoryAppService.cs
index 9b8dd950..991d7fd3 100644
--- a/modules/EasyAbp.EShop.Products/src/EasyAbp.EShop.Products.Application/EasyAbp/EShop/Products/ProductCategories/ProductCategoryAppService.cs
+++ b/modules/EasyAbp.EShop.Products/src/EasyAbp.EShop.Products.Application/EasyAbp/EShop/Products/ProductCategories/ProductCategoryAppService.cs
@@ -8,11 +8,12 @@ using Volo.Abp.Application.Services;
 
 namespace EasyAbp.EShop.Products.ProductCategories
 {
-    public class ProductCategoryAppService : ReadOnlyAppService<ProductCategory, ProductCategoryDto, Guid, GetProductCategoryListDto>,
+    public class ProductCategoryAppService :
+        ReadOnlyAppService<ProductCategory, ProductCategoryDto, Guid, GetProductCategoryListDto>,
         IProductCategoryAppService
     {
         protected override string GetListPolicyName { get; set; } = ProductsPermissions.Products.Manage;
-        
+
         private readonly IProductCategoryRepository _repository;
 
         public ProductCategoryAppService(IProductCategoryRepository repository) : base(repository)
@@ -20,10 +21,11 @@ namespace EasyAbp.EShop.Products.ProductCategories
             _repository = repository;
         }
 
-        protected override async Task<IQueryable<ProductCategory>> CreateFilteredQueryAsync(GetProductCategoryListDto input)
+        protected override async Task<IQueryable<ProductCategory>> CreateFilteredQueryAsync(
+            GetProductCategoryListDto input)
         {
             var queryable = await Repository.GetQueryableAsync();
-            
+
             if (input.CategoryId.HasValue)
             {
                 queryable = queryable.Where(x => x.CategoryId == input.CategoryId);
@@ -37,6 +39,12 @@ namespace EasyAbp.EShop.Products.ProductCategories
             return queryable;
         }
 
+        protected override IQueryable<ProductCategory> ApplyDefaultSorting(IQueryable<ProductCategory> query)
+        {
+            return query.OrderBy(x => x.DisplayOrder)
+                .ThenBy(x => x.Id);
+        }
+
         [RemoteService(false)]
         public override Task<ProductCategoryDto> GetAsync(Guid id)
         {
diff --git a/modules/EasyAbp.EShop.Products/src/EasyAbp.EShop.Products.Application/EasyAbp/EShop/Products/Products/ProductAppService.cs b/modules/EasyAbp.EShop.Products/src/EasyAbp.EShop.Products.Application/EasyAbp/EShop/Products/Products/ProductAppService.cs
index 0f1f3bc6..9cc63dd6 100644
--- a/modules/EasyAbp.EShop.Products/src/EasyAbp.EShop.Products.Application/EasyAbp/EShop/Products/Products/ProductAppService.cs
+++ b/modules/EasyAbp.EShop.Products/src/EasyAbp.EShop.Products.Application/EasyAbp/EShop/Products/Products/ProductAppService.cs
@@ -64,6 +64,12 @@ namespace EasyAbp.EShop.Products.Products
                 .WhereIf(!input.ShowUnpublished, x => x.IsPublished);
         }
 
+        protected override IQueryable<Product> ApplyDefaultSorting(IQueryable<Product> query)
+        {
+            return query.OrderBy(x => x.DisplayOrder)
+                .ThenBy(x => x.Id);
+        }
+
         protected override Product MapToEntity(CreateUpdateProductDto createInput)
         {
             var product = base.MapToEntity(createInput);
@@ -481,12 +487,12 @@ namespace EasyAbp.EShop.Products.Products
 
         protected virtual ProductDto SortAttributesAndOptions(ProductDto productDto)
         {
-            productDto.ProductAttributes = productDto.ProductAttributes.OrderByDescending(x => x.DisplayOrder).ToList();
+            productDto.ProductAttributes = productDto.ProductAttributes.OrderBy(x => x.DisplayOrder).ToList();
 
             foreach (var productAttributeDto in productDto.ProductAttributes)
             {
                 productAttributeDto.ProductAttributeOptions = productAttributeDto.ProductAttributeOptions
-                    .OrderByDescending(x => x.DisplayOrder).ToList();
+                    .OrderBy(x => x.DisplayOrder).ToList();
             }
 
             return productDto;
diff --git a/modules/EasyAbp.EShop.Products/src/EasyAbp.EShop.Products.Application/EasyAbp/EShop/Products/Products/ProductViewAppService.cs b/modules/EasyAbp.EShop.Products/src/EasyAbp.EShop.Products.Application/EasyAbp/EShop/Products/Products/ProductViewAppService.cs
index efd24881..69a83754 100644
--- a/modules/EasyAbp.EShop.Products/src/EasyAbp.EShop.Products.Application/EasyAbp/EShop/Products/Products/ProductViewAppService.cs
+++ b/modules/EasyAbp.EShop.Products/src/EasyAbp.EShop.Products.Application/EasyAbp/EShop/Products/Products/ProductViewAppService.cs
@@ -15,7 +15,8 @@ using Volo.Abp.Uow;
 
 namespace EasyAbp.EShop.Products.Products
 {
-    public class ProductViewAppService : MultiStoreReadOnlyAppService<ProductView, ProductViewDto, Guid, GetProductListInput>,
+    public class ProductViewAppService :
+        MultiStoreReadOnlyAppService<ProductView, ProductViewDto, Guid, GetProductListInput>,
         IProductViewAppService
     {
         protected override string GetPolicyName { get; set; } = null;
@@ -27,7 +28,7 @@ namespace EasyAbp.EShop.Products.Products
         private readonly IProductManager _productManager;
         private readonly IProductRepository _productRepository;
         private readonly IProductViewRepository _repository;
-        
+
         public ProductViewAppService(
             IProductViewCacheKeyProvider productViewCacheKeyProvider,
             IDistributedCache<ProductViewCacheItem> cache,
@@ -41,7 +42,7 @@ namespace EasyAbp.EShop.Products.Products
             _productRepository = productRepository;
             _repository = repository;
         }
-        
+
         protected override async Task<IQueryable<ProductView>> CreateFilteredQueryAsync(GetProductListInput input)
         {
             var query = input.CategoryId.HasValue
@@ -54,10 +55,16 @@ namespace EasyAbp.EShop.Products.Products
                 .WhereIf(!input.ShowUnpublished, x => x.IsPublished);
         }
 
+        protected override IQueryable<ProductView> ApplyDefaultSorting(IQueryable<ProductView> query)
+        {
+            return query.OrderBy(x => x.DisplayOrder)
+                .ThenBy(x => x.Id);
+        }
+
         public override async Task<PagedResultDto<ProductViewDto>> GetListAsync(GetProductListInput input)
         {
             await CheckGetListPolicyAsync();
-            
+
             if (input.ShowHidden || input.ShowUnpublished)
             {
                 await CheckMultiStorePolicyAsync(input.StoreId, ProductsPermissions.Products.Manage);
@@ -67,7 +74,7 @@ namespace EasyAbp.EShop.Products.Products
             {
                 await BuildStoreProductViewsAsync(input.StoreId);
             }
-            
+
             var query = await CreateFilteredQueryAsync(input);
 
             var totalCount = await AsyncExecuter.CountAsync(query);
@@ -103,7 +110,7 @@ namespace EasyAbp.EShop.Products.Products
             await BuildStoreProductViewsAsync(productView.StoreId);
 
             productView = await GetEntityByIdAsync(id);
-            
+
             return await MapToGetOutputDtoAsync(productView);
         }
 
@@ -120,7 +127,7 @@ namespace EasyAbp.EShop.Products.Products
                 var productView = ObjectMapper.Map<Product, ProductView>(product);
 
                 await FillPriceInfoWithRealPriceAsync(product, productView);
-                
+
                 await _repository.InsertAsync(productView);
             }
 
@@ -134,7 +141,7 @@ namespace EasyAbp.EShop.Products.Products
                         await SettingProvider.GetOrNullAsync(ProductsSettings.ProductView.CacheDurationSeconds)))
                 });
         }
-        
+
         protected virtual async Task FillPriceInfoWithRealPriceAsync(Product product, ProductView productView)
         {
             if (product.ProductSkus.IsNullOrEmpty())
@@ -143,7 +150,7 @@ namespace EasyAbp.EShop.Products.Products
             }
 
             decimal? min = null, max = null;
-            
+
             foreach (var productSku in product.ProductSkus)
             {
                 var priceDataModel = await _productManager.GetRealPriceAsync(product, productSku);
@@ -162,4 +169,4 @@ namespace EasyAbp.EShop.Products.Products
             productView.SetPrices(min, max);
         }
     }
-}
+}
\ No newline at end of file