diff --git a/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/ObjectExtending/EfCoreObjectExtensionInfoExtensions.cs b/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/ObjectExtending/EfCoreObjectExtensionInfoExtensions.cs
index ef3d87119a..91184ecdeb 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/ObjectExtending/EfCoreObjectExtensionInfoExtensions.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/ObjectExtending/EfCoreObjectExtensionInfoExtensions.cs
@@ -37,5 +37,37 @@ namespace Volo.Abp.ObjectExtending
                 }
             );
         }
+
+        public static ObjectExtensionInfo MapEfCoreProperty<TProperty>(
+            [NotNull] this ObjectExtensionInfo objectExtensionInfo,
+            [NotNull] string propertyName,
+            [CanBeNull] Action<EntityTypeBuilder, PropertyBuilder> entityTypeAndPropertyBuildAction)
+        {
+            return objectExtensionInfo.MapEfCoreProperty(
+                typeof(TProperty),
+                propertyName,
+                entityTypeAndPropertyBuildAction
+            );
+        }
+
+        public static ObjectExtensionInfo MapEfCoreProperty(
+            [NotNull] this ObjectExtensionInfo objectExtensionInfo,
+            [NotNull] Type propertyType,
+            [NotNull] string propertyName,
+            [CanBeNull] Action<EntityTypeBuilder, PropertyBuilder> entityTypeAndPropertyBuildAction)
+        {
+            Check.NotNull(objectExtensionInfo, nameof(objectExtensionInfo));
+
+            return objectExtensionInfo.AddOrUpdateProperty(
+                propertyType,
+                propertyName,
+                options =>
+                {
+                    options.MapEfCore(
+                        entityTypeAndPropertyBuildAction
+                    );
+                }
+            );
+        }
     }
-}
\ No newline at end of file
+}
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/ObjectExtending/EfCoreObjectExtensionManagerExtensions.cs b/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/ObjectExtending/EfCoreObjectExtensionManagerExtensions.cs
index 52dca0c105..06f360be6c 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/ObjectExtending/EfCoreObjectExtensionManagerExtensions.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/ObjectExtending/EfCoreObjectExtensionManagerExtensions.cs
@@ -44,6 +44,42 @@ namespace Volo.Abp.ObjectExtending
             );
         }
 
+        public static ObjectExtensionManager MapEfCoreProperty<TEntity, TProperty>(
+            [NotNull] this ObjectExtensionManager objectExtensionManager,
+            [NotNull] string propertyName,
+            [CanBeNull] Action<EntityTypeBuilder, PropertyBuilder> entityTypeAndPropertyBuildAction = null)
+            where TEntity : IHasExtraProperties, IEntity
+        {
+            return objectExtensionManager.MapEfCoreProperty(
+                typeof(TEntity),
+                typeof(TProperty),
+                propertyName,
+                entityTypeAndPropertyBuildAction
+            );
+        }
+
+        public static ObjectExtensionManager MapEfCoreProperty(
+            [NotNull] this ObjectExtensionManager objectExtensionManager,
+            [NotNull] Type entityType,
+            [NotNull] Type propertyType,
+            [NotNull] string propertyName,
+            [CanBeNull] Action<EntityTypeBuilder, PropertyBuilder> entityTypeAndPropertyBuildAction = null)
+        {
+            Check.NotNull(objectExtensionManager, nameof(objectExtensionManager));
+
+            return objectExtensionManager.AddOrUpdateProperty(
+                entityType,
+                propertyType,
+                propertyName,
+                options =>
+                {
+                    options.MapEfCore(
+                        entityTypeAndPropertyBuildAction
+                    );
+                }
+            );
+        }
+
         public static void ConfigureEfCoreEntity(
             [NotNull] this ObjectExtensionManager objectExtensionManager,
             [NotNull] EntityTypeBuilder typeBuilder)
@@ -73,6 +109,7 @@ namespace Volo.Abp.ObjectExtending
 
                 var propertyBuilder = typeBuilder.Property(property.Type, property.Name);
 
+                efCoreMapping.EntityTypeAndPropertyBuildAction?.Invoke(typeBuilder, propertyBuilder);
                 efCoreMapping.PropertyBuildAction?.Invoke(propertyBuilder);
             }
         }
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/ObjectExtending/EfCoreObjectExtensionPropertyInfoExtensions.cs b/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/ObjectExtending/EfCoreObjectExtensionPropertyInfoExtensions.cs
index fda5d88ceb..6e0c1ccc22 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/ObjectExtending/EfCoreObjectExtensionPropertyInfoExtensions.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/ObjectExtending/EfCoreObjectExtensionPropertyInfoExtensions.cs
@@ -25,6 +25,22 @@ namespace Volo.Abp.ObjectExtending
             return propertyExtension;
         }
 
+        [NotNull]
+        public static ObjectExtensionPropertyInfo MapEfCore(
+            [NotNull] this ObjectExtensionPropertyInfo propertyExtension,
+            [CanBeNull] Action<EntityTypeBuilder, PropertyBuilder> entityTypeAndPropertyBuildAction = null)
+        {
+            Check.NotNull(propertyExtension, nameof(propertyExtension));
+
+            propertyExtension.Configuration[EfCorePropertyConfigurationName] =
+                new ObjectExtensionPropertyInfoEfCoreMappingOptions(
+                    propertyExtension,
+                    entityTypeAndPropertyBuildAction: entityTypeAndPropertyBuildAction
+                );
+
+            return propertyExtension;
+        }
+
         [CanBeNull]
         public static ObjectExtensionPropertyInfoEfCoreMappingOptions GetEfCoreMappingOrNull(
             [NotNull] this ObjectExtensionPropertyInfo propertyExtension)
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/ObjectExtending/ObjectExtensionPropertyInfoEfCoreMappingOptions.cs b/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/ObjectExtending/ObjectExtensionPropertyInfoEfCoreMappingOptions.cs
index 4189c87962..15a818478b 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/ObjectExtending/ObjectExtensionPropertyInfoEfCoreMappingOptions.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/ObjectExtending/ObjectExtensionPropertyInfoEfCoreMappingOptions.cs
@@ -15,13 +15,18 @@ namespace Volo.Abp.ObjectExtending
         [CanBeNull]
         public Action<PropertyBuilder> PropertyBuildAction { get; set; }
 
+        [CanBeNull]
+        public Action<EntityTypeBuilder, PropertyBuilder> EntityTypeAndPropertyBuildAction { get; set; }
+
         public ObjectExtensionPropertyInfoEfCoreMappingOptions(
             [NotNull] ObjectExtensionPropertyInfo extensionProperty,
-            [CanBeNull] Action<PropertyBuilder> propertyBuildAction = null)
+            [CanBeNull] Action<PropertyBuilder> propertyBuildAction = null,
+            [CanBeNull] Action<EntityTypeBuilder, PropertyBuilder> entityTypeAndPropertyBuildAction = null)
         {
             ExtensionProperty = Check.NotNull(extensionProperty, nameof(extensionProperty));
-            
+
             PropertyBuildAction = propertyBuildAction;
+            EntityTypeAndPropertyBuildAction = entityTypeAndPropertyBuildAction;
         }
     }
-}
\ No newline at end of file
+}
diff --git a/framework/test/Volo.Abp.EntityFrameworkCore.Tests/Volo/Abp/EntityFrameworkCore/Domain/ExtraProperties_Tests.cs b/framework/test/Volo.Abp.EntityFrameworkCore.Tests/Volo/Abp/EntityFrameworkCore/Domain/ExtraProperties_Tests.cs
index 557116d158..338342f0cf 100644
--- a/framework/test/Volo.Abp.EntityFrameworkCore.Tests/Volo/Abp/EntityFrameworkCore/Domain/ExtraProperties_Tests.cs
+++ b/framework/test/Volo.Abp.EntityFrameworkCore.Tests/Volo/Abp/EntityFrameworkCore/Domain/ExtraProperties_Tests.cs
@@ -1,6 +1,10 @@
-using System.Threading.Tasks;
+using System;
+using System.Linq;
+using System.Threading.Tasks;
 using Shouldly;
 using Volo.Abp.Data;
+using Volo.Abp.Domain.Repositories;
+using Volo.Abp.TestApp.Domain;
 using Volo.Abp.TestApp.Testing;
 using Xunit;
 
@@ -28,5 +32,20 @@ namespace Volo.Abp.EntityFrameworkCore.Domain
             var london2 = await CityRepository.FindByNameAsync("London");
             london2.GetProperty<string>("PhoneCode").ShouldBe("53");
         }
+
+
+        [Fact]
+        public async Task An_Extra_Property_Configured_As_Extension2()
+        {
+            await WithUnitOfWorkAsync(() =>
+            {
+                var entityEntry = CityRepository.GetDbContext().Attach(new City(Guid.NewGuid(), "NewYork"));
+                var indexes = entityEntry.Metadata.GetIndexes().ToList();
+                indexes.ShouldNotBeEmpty();
+                indexes.ShouldContain(x => x.IsUnique);
+                return Task.CompletedTask;
+            });
+
+        }
     }
 }
diff --git a/framework/test/Volo.Abp.EntityFrameworkCore.Tests/Volo/Abp/EntityFrameworkCore/Domain/TestEntityExtensionConfigurator.cs b/framework/test/Volo.Abp.EntityFrameworkCore.Tests/Volo/Abp/EntityFrameworkCore/Domain/TestEntityExtensionConfigurator.cs
index 3d415d79e6..fe81ee325b 100644
--- a/framework/test/Volo.Abp.EntityFrameworkCore.Tests/Volo/Abp/EntityFrameworkCore/Domain/TestEntityExtensionConfigurator.cs
+++ b/framework/test/Volo.Abp.EntityFrameworkCore.Tests/Volo/Abp/EntityFrameworkCore/Domain/TestEntityExtensionConfigurator.cs
@@ -15,8 +15,11 @@ namespace Volo.Abp.EntityFrameworkCore.Domain
                 ObjectExtensionManager.Instance
                     .MapEfCoreProperty<City, string>(
                         "PhoneCode",
-                        p => p.HasMaxLength(8)
-                    );
+                        (e, p) =>
+                        {
+                            e.HasIndex(p.Metadata.Name).IsUnique();
+                            p.HasMaxLength(8);
+                        });
             });
         }
     }