diff --git a/framework/src/Volo.Abp.IdentityModel/Volo.Abp.IdentityModel.csproj b/framework/src/Volo.Abp.IdentityModel/Volo.Abp.IdentityModel.csproj
index ce26fe7bea..6c19f18397 100644
--- a/framework/src/Volo.Abp.IdentityModel/Volo.Abp.IdentityModel.csproj
+++ b/framework/src/Volo.Abp.IdentityModel/Volo.Abp.IdentityModel.csproj
@@ -17,6 +17,7 @@
   <ItemGroup>
     <PackageReference Include="IdentityModel" Version="4.1.1" />
     <PackageReference Include="Microsoft.Extensions.Http" Version="3.1.2" />
+    <ProjectReference Include="..\Volo.Abp.MultiTenancy\Volo.Abp.MultiTenancy.csproj" />
     <ProjectReference Include="..\Volo.Abp.Threading\Volo.Abp.Threading.csproj" />
   </ItemGroup>
 
diff --git a/framework/src/Volo.Abp.IdentityModel/Volo/Abp/IdentityModel/AbpIdentityModelModule.cs b/framework/src/Volo.Abp.IdentityModel/Volo/Abp/IdentityModel/AbpIdentityModelModule.cs
index d0a08707b5..83660b35cf 100644
--- a/framework/src/Volo.Abp.IdentityModel/Volo/Abp/IdentityModel/AbpIdentityModelModule.cs
+++ b/framework/src/Volo.Abp.IdentityModel/Volo/Abp/IdentityModel/AbpIdentityModelModule.cs
@@ -1,11 +1,13 @@
 using Microsoft.Extensions.DependencyInjection;
 using Volo.Abp.Modularity;
+using Volo.Abp.MultiTenancy;
 using Volo.Abp.Threading;
 
 namespace Volo.Abp.IdentityModel
 {
     [DependsOn(
-        typeof(AbpThreadingModule)
+        typeof(AbpThreadingModule),
+        typeof(AbpMultiTenancyModule)
         )]
     public class AbpIdentityModelModule : AbpModule
     {
diff --git a/framework/src/Volo.Abp.IdentityModel/Volo/Abp/IdentityModel/IdentityModelAuthenticationService.cs b/framework/src/Volo.Abp.IdentityModel/Volo/Abp/IdentityModel/IdentityModelAuthenticationService.cs
index b78a05c684..66add8892a 100644
--- a/framework/src/Volo.Abp.IdentityModel/Volo/Abp/IdentityModel/IdentityModelAuthenticationService.cs
+++ b/framework/src/Volo.Abp.IdentityModel/Volo/Abp/IdentityModel/IdentityModelAuthenticationService.cs
@@ -11,6 +11,7 @@ using System.Net.Http;
 using System.Net.Http.Headers;
 using System.Threading.Tasks;
 using Volo.Abp.DependencyInjection;
+using Volo.Abp.MultiTenancy;
 using Volo.Abp.Threading;
 
 namespace Volo.Abp.IdentityModel
@@ -22,15 +23,18 @@ namespace Volo.Abp.IdentityModel
         protected AbpIdentityClientOptions ClientOptions { get; }
         protected ICancellationTokenProvider CancellationTokenProvider { get; }
         protected IHttpClientFactory HttpClientFactory { get; }
+        protected ICurrentTenant CurrentTenant { get; }
 
         public IdentityModelAuthenticationService(
             IOptions<AbpIdentityClientOptions> options,
             ICancellationTokenProvider cancellationTokenProvider,
-            IHttpClientFactory httpClientFactory)
+            IHttpClientFactory httpClientFactory,
+            ICurrentTenant currentTenant)
         {
             ClientOptions = options.Value;
             CancellationTokenProvider = cancellationTokenProvider;
             HttpClientFactory = httpClientFactory;
+            CurrentTenant = currentTenant;
             Logger = NullLogger<IdentityModelAuthenticationService>.Instance;
         }
 
@@ -125,6 +129,8 @@ namespace Volo.Abp.IdentityModel
         {
             using (var httpClient = HttpClientFactory.CreateClient())
             {
+                AddHeaders(httpClient);
+
                 switch (configuration.GrantType)
                 {
                     case OidcConstants.GrantTypes.ClientCredentials:
@@ -186,5 +192,15 @@ namespace Volo.Abp.IdentityModel
 
             return Task.CompletedTask;
         }
+
+        protected virtual void AddHeaders(HttpClient client)
+        {
+            //tenantId
+            if (CurrentTenant.Id.HasValue)
+            {
+                //TODO: Use AbpAspNetCoreMultiTenancyOptions to get the key
+                client.DefaultRequestHeaders.Add(TenantResolverConsts.DefaultTenantKey, CurrentTenant.Id.Value.ToString());
+            }
+        }
     }
 }