diff --git a/aspnet-core/services/account/AuthServer.Host/AuthIdentityServerModule.cs b/aspnet-core/services/account/AuthServer.Host/AuthIdentityServerModule.cs
index 0f3ef67f0..d52f9d9fb 100644
--- a/aspnet-core/services/account/AuthServer.Host/AuthIdentityServerModule.cs
+++ b/aspnet-core/services/account/AuthServer.Host/AuthIdentityServerModule.cs
@@ -12,6 +12,7 @@ using Microsoft.AspNetCore.Cors;
 using Microsoft.AspNetCore.DataProtection;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.AspNetCore.HttpOverrides;
+using Microsoft.AspNetCore.Identity;
 using Microsoft.Extensions.Caching.StackExchangeRedis;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
@@ -154,6 +155,16 @@ namespace AuthServer.Host
                 options.InstanceName = configuration["Redis:InstanceName"];
             });
 
+            // 增加配置文件定义,在新建租户时需要
+            Configure<IdentityOptions>(options =>
+            {
+                var identityConfiguration = configuration.GetSection("Identity");
+                if (identityConfiguration.Exists())
+                {
+                    identityConfiguration.Bind(options);
+                }
+            });
+
             Configure<AbpVirtualFileSystemOptions>(options =>
             {
                 options.FileSets.AddEmbedded<AuthIdentityServerModule>("AuthServer");