diff --git a/framework/src/Volo.Abp.Autofac.WebAssembly/Microsoft/AspNetCore/Components/WebAssembly/Hosting/AbpWebAssemblyApplicationCreationOptionsAutofacExtensions.cs b/framework/src/Volo.Abp.Autofac.WebAssembly/Microsoft/AspNetCore/Components/WebAssembly/Hosting/AbpWebAssemblyApplicationCreationOptionsAutofacExtensions.cs
index 62c6f92b9a..dd2ec149c5 100644
--- a/framework/src/Volo.Abp.Autofac.WebAssembly/Microsoft/AspNetCore/Components/WebAssembly/Hosting/AbpWebAssemblyApplicationCreationOptionsAutofacExtensions.cs
+++ b/framework/src/Volo.Abp.Autofac.WebAssembly/Microsoft/AspNetCore/Components/WebAssembly/Hosting/AbpWebAssemblyApplicationCreationOptionsAutofacExtensions.cs
@@ -11,7 +11,7 @@ public static class AbpWebAssemblyApplicationCreationOptionsAutofacExtensions
 {
     public static void UseAutofac(
         [NotNull] this AbpWebAssemblyApplicationCreationOptions options,
-        [CanBeNull] Action<ContainerBuilder> configure = null)
+        Action<ContainerBuilder>? configure = null)
     {
         options.HostBuilder.Services.AddAutofacServiceProviderFactory();
         options.HostBuilder.ConfigureContainer(
diff --git a/framework/src/Volo.Abp.Autofac.WebAssembly/Volo.Abp.Autofac.WebAssembly.csproj b/framework/src/Volo.Abp.Autofac.WebAssembly/Volo.Abp.Autofac.WebAssembly.csproj
index 034c5c1903..1ce2a8154d 100644
--- a/framework/src/Volo.Abp.Autofac.WebAssembly/Volo.Abp.Autofac.WebAssembly.csproj
+++ b/framework/src/Volo.Abp.Autofac.WebAssembly/Volo.Abp.Autofac.WebAssembly.csproj
@@ -5,6 +5,8 @@
 
     <PropertyGroup>
         <TargetFramework>net7.0</TargetFramework>
+        <Nullable>enable</Nullable>
+        <WarningsAsErrors>Nullable</WarningsAsErrors>
         <RootNamespace />
     </PropertyGroup>