diff --git a/framework/src/Volo.Abp.ObjectMapping/Volo/Abp/ObjectMapping/QueryProjectionMapper.cs b/framework/src/Volo.Abp.ObjectMapping/Volo/Abp/ObjectMapping/QueryProjectionMapper.cs
index 96e9c98c3a..95fd3b02dd 100644
--- a/framework/src/Volo.Abp.ObjectMapping/Volo/Abp/ObjectMapping/QueryProjectionMapper.cs
+++ b/framework/src/Volo.Abp.ObjectMapping/Volo/Abp/ObjectMapping/QueryProjectionMapper.cs
@@ -1,4 +1,5 @@
 using System.Linq;
+

 namespace Volo.Abp.ObjectMapping;
 
 public abstract class QueryProjectionMapper<TSource, TDestination> : IQueryProjectionMapper<TSource, TDestination>