diff --git a/framework/src/Volo.Abp.Ddd.Application/Volo/Abp/Application/Services/ReadOnlyAppService.cs b/framework/src/Volo.Abp.Ddd.Application/Volo/Abp/Application/Services/ReadOnlyAppService.cs
index 76891381f0..867ca35ad4 100644
--- a/framework/src/Volo.Abp.Ddd.Application/Volo/Abp/Application/Services/ReadOnlyAppService.cs
+++ b/framework/src/Volo.Abp.Ddd.Application/Volo/Abp/Application/Services/ReadOnlyAppService.cs
@@ -32,7 +32,7 @@ public abstract class ReadOnlyAppService<TEntity, TEntityDto, TKey, TGetListInpu
 
 public abstract class ReadOnlyAppService<TEntity, TGetOutputDto, TGetListOutputDto, TKey, TGetListInput>
     : AbstractKeyReadOnlyAppService<TEntity, TGetOutputDto, TGetListOutputDto, TKey, TGetListInput>
-    where TEntity : class, IEntity<TKey>    
+    where TEntity : class, IEntity<TKey>
 {
     protected IReadOnlyRepository<TEntity, TKey> Repository { get; }