diff --git a/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Packages/Volo.Abp.AspNetCore.Mvc.UI.Packages.csproj b/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Packages/Volo.Abp.AspNetCore.Mvc.UI.Packages.csproj
index 26bcc85cf7..40bed2322c 100644
--- a/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Packages/Volo.Abp.AspNetCore.Mvc.UI.Packages.csproj
+++ b/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Packages/Volo.Abp.AspNetCore.Mvc.UI.Packages.csproj
@@ -5,6 +5,8 @@
 
   <PropertyGroup>
     <TargetFramework>net7.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <WarningsAsErrors>Nullable</WarningsAsErrors>
     <AddRazorSupportForMvc>true</AddRazorSupportForMvc>
     <AssemblyName>Volo.Abp.AspNetCore.Mvc.UI.Packages</AssemblyName>
     <PackageId>Volo.Abp.AspNetCore.Mvc.UI.Packages</PackageId>
diff --git a/framework/src/Volo.Abp.BackgroundJobs.HangFire/Volo/Abp/BackgroundJobs/Hangfire/AbpDashboardOptionsProvider.cs b/framework/src/Volo.Abp.BackgroundJobs.HangFire/Volo/Abp/BackgroundJobs/Hangfire/AbpDashboardOptionsProvider.cs
index b5277abe34..bc41b21ce8 100644
--- a/framework/src/Volo.Abp.BackgroundJobs.HangFire/Volo/Abp/BackgroundJobs/Hangfire/AbpDashboardOptionsProvider.cs
+++ b/framework/src/Volo.Abp.BackgroundJobs.HangFire/Volo/Abp/BackgroundJobs/Hangfire/AbpDashboardOptionsProvider.cs
@@ -3,7 +3,7 @@ using Hangfire;
 using Microsoft.Extensions.Options;
 using Volo.Abp.DependencyInjection;
 
-`namespace Volo.Abp.BackgroundJobs.Hangfire;
+namespace Volo.Abp.BackgroundJobs.Hangfire;
 
 public class AbpDashboardOptionsProvider : ITransientDependency
 {