Try to set environment after `ConfigureServices` method executes.

framework/src/Volo.Abp.Core/Volo/Abp/AbpApplicationBase.cs

@@ -66,15 +66,6 @@ public abstract class AbpApplicationBase : IAbpApplication
         {
             ConfigureServices();
         }
-
-        if (options.Environment.IsNullOrWhiteSpace())
-        {
-            var abpHostEnvironment = services.GetSingletonInstance<IAbpHostEnvironment>();
-            if (abpHostEnvironment.EnvironmentName.IsNullOrWhiteSpace())
-            {
-                abpHostEnvironment.EnvironmentName = Environments.Production;
-            }
-        }
     }
 
     public virtual async Task ShutdownAsync()
@@ -238,6 +229,8 @@ public abstract class AbpApplicationBase : IAbpApplication
         }
 
         _configuredServices = true;
+
+        TryToSetEnvironment(Services);
     }
 
     private void CheckMultipleConfigureServices()
@@ -327,6 +320,8 @@ public abstract class AbpApplicationBase : IAbpApplication
         }
 
         _configuredServices = true;
+
+        TryToSetEnvironment(Services);
     }
 
     private static string GetApplicationName(AbpApplicationCreationOptions options)
@@ -354,4 +349,13 @@ public abstract class AbpApplicationBase : IAbpApplication
 
         return null;
     }
+
+    private static void TryToSetEnvironment(IServiceCollection services)
+    {
+        var abpHostEnvironment = services.GetSingletonInstance<IAbpHostEnvironment>();
+        if (abpHostEnvironment.EnvironmentName.IsNullOrWhiteSpace())
+        {
+            abpHostEnvironment.EnvironmentName = Environments.Production;
+        }
+    }
 }

framework/test/Volo.Abp.AspNetCore.Tests/Volo/Abp/AspNetCore/AbpHostEnvironment_Tests.cs

@@ -1,5 +1,8 @@
 using System.Collections.Generic;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Builder;
 using Microsoft.Extensions.Configuration.Memory;
+using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 using Shouldly;
 using Xunit;
@@ -29,3 +32,34 @@ public class AbpHostEnvironment_Tests : AbpAspNetCoreTestBase<Startup>
         abpHostEnvironment.EnvironmentName.ShouldBe(Environments.Staging);
     }
 }
+
+public class AbpHostEnvironment_Async_Initialize_Tests
+{
+    [Fact]
+    public async Task Should_Set_Environment_From_AspNetCore()
+    {
+        var builder = WebApplication.CreateBuilder(new WebApplicationOptions
+        {
+            EnvironmentName = Environments.Staging
+        });
+        builder.Host.UseAutofac();
+        await builder.AddApplicationAsync<AbpAspNetCoreTestModule>();
+        var app = builder.Build();
+        await app.InitializeApplicationAsync();
+
+        var abpHostEnvironment = app.Services.GetRequiredService<IAbpHostEnvironment>();
+        abpHostEnvironment.EnvironmentName.ShouldBe(Environments.Staging);
+
+        builder = WebApplication.CreateBuilder(new WebApplicationOptions
+        {
+            EnvironmentName = Environments.Staging
+        });
+        builder.Host.UseAutofac();
+        var abpApp = await AbpApplicationFactory.CreateAsync<AbpAspNetCoreTestModule>(builder.Services);
+        app = builder.Build();
+        await app.InitializeApplicationAsync();
+
+        abpHostEnvironment = abpApp.Services.GetRequiredService<IAbpHostEnvironment>();
+        abpHostEnvironment.EnvironmentName.ShouldBe(Environments.Staging);
+    }
+}