diff --git a/Configurations/SimApiDocOptions.cs b/Configurations/SimApiDocOptions.cs
index d921caa..2271ad2 100644
--- a/Configurations/SimApiDocOptions.cs
+++ b/Configurations/SimApiDocOptions.cs
@@ -6,22 +6,22 @@ namespace SimApi.Configurations;
 /// <summary>
 /// 文档组配置
 /// </summary>
-public class SimApiDocGroupOption
+public class SimApiDocGroupOption(string id, string name, string description = "")
 {
     /// <summary>
     /// 文档标识
     /// </summary>
-    public string Id { get; set; } = null!;
+    public string Id { get; set; } = id;
 
     /// <summary>
     /// 文档名称
     /// </summary>
-    public string Name { get; set; } = null!;
+    public string Name { get; set; } = name;
 
     /// <summary>
     /// 文档描述
     /// </summary>
-    public string Description { get; set; } = null!;
+    public string Description { get; set; } = description!;
 }
 
 /// <summary>
@@ -29,7 +29,7 @@ public class SimApiDocGroupOption
 /// </summary>
 public class SimApiAuthOption
 {
-    public string[] Type { get; set; } = new[] { "SimApiAuth" };
+    public string[] Type { get; set; } = ["SimApiAuth"];
 
     public string Description { get; set; } = "认证服务器颁发的AccessToken";
 
@@ -48,20 +48,15 @@ public class SimApiDocOptions
     /// <summary>
     /// 文档组配置
     /// </summary>
-    public SimApiDocGroupOption[] ApiGroups { get; set; } = new[]
-    {
-        new SimApiDocGroupOption
-        {
-            Id = "api",
-            Name = "Api",
-            Description = "Api接口文档"
-        }
-    };
+    public SimApiDocGroupOption[] ApiGroups { get; set; } =
+    [
+        new("api", "Api", "Api接口文档")
+    ];
 
     /// <summary>
     /// 授权配置
     /// </summary>
-    public SimApiAuthOption ApiAuth { get; set; } = new SimApiAuthOption();
+    public SimApiAuthOption ApiAuth { get; set; } = new();
 
     /// <summary>
     /// 文档页面标题
@@ -71,5 +66,5 @@ public class SimApiDocOptions
     /// <summary>
     /// 接口支持的调用方式
     /// </summary>
-    public SubmitMethod[] SupportedMethod { get; set; } = new[] { SubmitMethod.Post };
+    public SubmitMethod[] SupportedMethod { get; set; } = [SubmitMethod.Post];
 }
\ No newline at end of file
diff --git a/SimApiExtensions.cs b/SimApiExtensions.cs
index 684d9b3..b8e06bf 100644
--- a/SimApiExtensions.cs
+++ b/SimApiExtensions.cs
@@ -12,6 +12,7 @@ using Microsoft.Extensions.DependencyInjection;
 using Microsoft.OpenApi.Models;
 using SimApi.Middlewares;
 using Microsoft.AspNetCore.HttpOverrides;
+using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
 using SimApi.Attributes;
@@ -128,6 +129,21 @@ public static class SimApiExtensions
                     x.OperationFilter<SimApiAuthOperationFilter>();
                 }
 
+                x.DocInclusionPredicate((docName, apiDesc) =>
+                {
+                    // 获取接口标记的 GroupName（未标记则为 null）
+                    var actionGroupName = apiDesc.ActionDescriptor.EndpointMetadata
+                        .OfType<ApiExplorerSettingsAttribute>()
+                        .FirstOrDefault()?.GroupName;
+
+                    // 情况1：接口未标记任何 GroupName（actionGroupName 为 null）
+                    if (actionGroupName == null)
+                    {
+                        return docName == "api"; // 未分组接口只属于默认分组v1
+                    }
+                    return docName == actionGroupName;
+                });
+
                 x.EnableAnnotations();
                 var haveOauth = false;
                 var oauthFlows = new OpenApiOAuthFlows();