diff --git a/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/AbpDbContext.cs b/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/AbpDbContext.cs
index c82912f0f1..9a61e7f8e3 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/AbpDbContext.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/AbpDbContext.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel;
 using System.ComponentModel.DataAnnotations.Schema;
 using System.Globalization;
 using System.Linq;
@@ -22,6 +23,7 @@ using Volo.Abp.EntityFrameworkCore.EntityHistory;
 using Volo.Abp.EntityFrameworkCore.Modeling;
 using Volo.Abp.EntityFrameworkCore.ValueConverters;
 using Volo.Abp.Guids;
+using Volo.Abp.Localization;
 using Volo.Abp.MultiTenancy;
 using Volo.Abp.ObjectExtending;
 using Volo.Abp.Reflection;
@@ -339,7 +341,20 @@ namespace Volo.Abp.EntityFrameworkCore
                 {
                     if (TypeHelper.IsPrimitiveExtended(entryProperty.Metadata.ClrType, includeEnums: true))
                     {
-                        entryProperty.CurrentValue = Convert.ChangeType(entityProperty, entryProperty.Metadata.ClrType, CultureInfo.InvariantCulture);
+                        var conversionType = entryProperty.Metadata.ClrType;
+                        if (TypeHelper.IsNullable(conversionType))
+                        {
+                            conversionType = conversionType.GetFirstGenericArgumentIfNullable();
+                        }
+
+                        if (conversionType == typeof(Guid))
+                        {
+                            entryProperty.CurrentValue = TypeDescriptor.GetConverter(conversionType).ConvertFromInvariantString(entityProperty.ToString());
+                        }
+                        else
+                        {
+                            entryProperty.CurrentValue = Convert.ChangeType(entityProperty, conversionType, CultureInfo.InvariantCulture);
+                        }
                     }
                 }
             }
diff --git a/framework/src/Volo.Abp.ObjectExtending/Volo/Abp/Data/HasExtraPropertiesExtensions.cs b/framework/src/Volo.Abp.ObjectExtending/Volo/Abp/Data/HasExtraPropertiesExtensions.cs
index 6abb350328..22b135c3d0 100644
--- a/framework/src/Volo.Abp.ObjectExtending/Volo/Abp/Data/HasExtraPropertiesExtensions.cs
+++ b/framework/src/Volo.Abp.ObjectExtending/Volo/Abp/Data/HasExtraPropertiesExtensions.cs
@@ -1,7 +1,9 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel;
 using System.Globalization;
 using Volo.Abp.DynamicProxy;
+using Volo.Abp.Localization;
 using Volo.Abp.ObjectExtending;
 using Volo.Abp.Reflection;
 
@@ -32,15 +34,26 @@ namespace Volo.Abp.Data
 
             if (TypeHelper.IsPrimitiveExtended(typeof(TProperty), includeEnums: true))
             {
-                return (TProperty)Convert.ChangeType(value, typeof(TProperty), CultureInfo.InvariantCulture);
+                var conversionType = typeof(TProperty);
+                if (TypeHelper.IsNullable(conversionType))
+                {
+                    conversionType = conversionType.GetFirstGenericArgumentIfNullable();
+                }
+
+                if (conversionType == typeof(Guid))
+                {
+                    return (TProperty)TypeDescriptor.GetConverter(conversionType).ConvertFromInvariantString(value.ToString());
+                }
+
+                return (TProperty)Convert.ChangeType(value, conversionType, CultureInfo.InvariantCulture);
             }
 
             throw new AbpException("GetProperty<TProperty> does not support non-primitive types. Use non-generic GetProperty method and handle type casting manually.");
         }
 
         public static TSource SetProperty<TSource>(
-            this TSource source, 
-            string name, 
+            this TSource source,
+            string name,
             object value,
             bool validate = true)
             where TSource : IHasExtraProperties
@@ -96,4 +109,4 @@ namespace Volo.Abp.Data
             ((IHasExtraProperties) source).SetDefaultsForExtraProperties(objectType);
         }
     }
-}
\ 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 f8edd1f5f1..f94f16c390 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
@@ -29,15 +29,18 @@ namespace Volo.Abp.EntityFrameworkCore.Domain
             london.ExtraProperties["PhoneCode"] = 123456;
             london.ExtraProperties["Rank"] = "88";
             london.ExtraProperties["ZipCode"] = null;
+            london.ExtraProperties["Established"] = DateTime.MinValue;
+            london.ExtraProperties["Guid"] = "a7ae2efe-d8d6-466b-92e3-da14aa6e1c5b";
             await CityRepository.UpdateAsync(london);
 
             var london2 = await CityRepository.FindByNameAsync("London");
             london2.GetProperty<string>("PhoneCode").ShouldBe("123456");
             london2.GetProperty<int>("Rank").ShouldBe(88);
             london2.GetProperty<string>("ZipCode").ShouldBe(null);
+            london2.GetProperty<DateTime?>("Established").ShouldBe(DateTime.MinValue);
+            london2.GetProperty<Guid>("Guid").ShouldBe(new Guid("a7ae2efe-d8d6-466b-92e3-da14aa6e1c5b"));
         }
 
-
         [Fact]
         public async Task An_Extra_Property_Configured_As_Extension2()
         {
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 dd723ffb55..15868e3966 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
@@ -1,4 +1,5 @@
-using Volo.Abp.ObjectExtending;
+using System;
+using Volo.Abp.ObjectExtending;
 using Volo.Abp.TestApp.Domain;
 using Volo.Abp.Threading;
 
@@ -24,6 +25,10 @@ namespace Volo.Abp.EntityFrameworkCore.Domain
                         "ZipCode"
                     ).MapEfCoreProperty<City, int>(
                         "Rank"
+                    ).MapEfCoreProperty<City, DateTime?>(
+                        "Established"
+                    ).MapEfCoreProperty<City, Guid>(
+                        "Guid"
                     );
             });
         }
diff --git a/framework/test/Volo.Abp.TestApp/Volo/Abp/TestApp/TestDataBuilder.cs b/framework/test/Volo.Abp.TestApp/Volo/Abp/TestApp/TestDataBuilder.cs
index 4b5f390d85..36874abad1 100644
--- a/framework/test/Volo.Abp.TestApp/Volo/Abp/TestApp/TestDataBuilder.cs
+++ b/framework/test/Volo.Abp.TestApp/Volo/Abp/TestApp/TestDataBuilder.cs
@@ -52,7 +52,8 @@ namespace Volo.Abp.TestApp
                 {
                     { "Population", 10_470_000 },
                     { "PhoneCode", "42" },
-                    { "ZipCode", "1000" }
+                    { "ZipCode", "1000" },
+                    { "Guid", "a5ed8170-30b9-4580-a395-a3c2dbc031ee" }
                 }
             });
             await _cityRepository.InsertAsync(istanbul);
diff --git a/framework/test/Volo.Abp.TestApp/Volo/Abp/TestApp/Testing/HasExtraPropertiesExtensions_Tests.cs b/framework/test/Volo.Abp.TestApp/Volo/Abp/TestApp/Testing/HasExtraPropertiesExtensions_Tests.cs
index 918e96581b..633c0a0257 100644
--- a/framework/test/Volo.Abp.TestApp/Volo/Abp/TestApp/Testing/HasExtraPropertiesExtensions_Tests.cs
+++ b/framework/test/Volo.Abp.TestApp/Volo/Abp/TestApp/Testing/HasExtraPropertiesExtensions_Tests.cs
@@ -32,6 +32,18 @@ namespace Volo.Abp.TestApp.Testing
             city.HasProperty("IsHot").ShouldBeFalse();
             city.GetProperty<bool>("IsHot").ShouldBeFalse();
             city.GetProperty<bool>("IsHot", true).ShouldBeTrue();
+
+            city.GetProperty<bool?>("IsHot?").ShouldBeNull();
+            city.GetProperty<bool?>("IsHot?", true).Value.ShouldBeTrue();
+
+            city.SetProperty("Guid", "2260AFEC-BBFD-42D4-A91A-DCB11E09B17F");
+            city.GetProperty<Guid>("Guid").ShouldBe(new Guid("2260AFEC-BBFD-42D4-A91A-DCB11E09B17F"));
+
+            city.SetProperty("Guid?", "2260AFEC-BBFD-42D4-A91A-DCB11E09B17F");
+            city.GetProperty<Guid?>("Guid?").ShouldBe(new Guid("2260AFEC-BBFD-42D4-A91A-DCB11E09B17F"));
+
+            city.SetProperty("DateTime?", DateTime.MinValue);
+            city.GetProperty<DateTime?>("DateTime?").ShouldBe(DateTime.MinValue);
         }
     }
-}
\ No newline at end of file
+}