diff --git a/Lazy.Captcha.Core/CaptchaServiceCollectionExtensions.cs b/Lazy.Captcha.Core/CaptchaServiceCollectionExtensions.cs
index e3143d027c7dc152cff9206ba02ab98b3e6adf52..bc1585b3ec969ba99539c79e1ed10a8a5cf3f45a 100644
--- a/Lazy.Captcha.Core/CaptchaServiceCollectionExtensions.cs
+++ b/Lazy.Captcha.Core/CaptchaServiceCollectionExtensions.cs
@@ -26,18 +26,19 @@ namespace Microsoft.Extensions.DependencyInjection
                     options.ImageOption.FontFamily = DefaultFontFamilys.Instance.GetFontFamily(fontFamily);
                 }
             });
-            if (optionsAction != null) services.PostConfigure<CaptchaOptions>(optionsAction);
+            if (optionsAction != null) services.PostConfigure(optionsAction);
+
+            services.TryAdd(ServiceDescriptor.Scoped<ICaptcha, DefaultCaptcha>()); 
+            services.AddScoped<IStorage, DefaultStorage>();
+            services.AddDistributedMemoryCache();
 
-            services.TryAdd(ServiceDescriptor.Scoped<ICaptcha, DefaultCaptcha>());
             return services;
         }
 
+        [Obsolete("请直接使用 AddCaptcha 方法，已更改为默认注册内存缓存", false)]
         public static IServiceCollection AddMemoryCacheCaptcha(this IServiceCollection services, IConfiguration configuration, Action<CaptchaOptions> optionsAction = default!)
         {
-            return services
-                .AddDistributedMemoryCache()
-                .AddScoped<IStorage, DefaultStorage>()
-                .AddCaptcha(configuration, optionsAction);
+            return services.AddCaptcha(configuration, optionsAction);
         }
     }
 }
\ No newline at end of file
diff --git a/Lazy.Captcha.Redis/RedisCacheCaptchaExtensions.cs b/Lazy.Captcha.Redis/RedisCacheCaptchaExtensions.cs
index 4209a08d4c45ea2399eb7b0a6cfc8500935d8642..5a5b48e27bec81cafe378d2274d359e87a17803f 100644
--- a/Lazy.Captcha.Redis/RedisCacheCaptchaExtensions.cs
+++ b/Lazy.Captcha.Redis/RedisCacheCaptchaExtensions.cs
@@ -10,21 +10,23 @@ namespace Microsoft.Extensions.DependencyInjection
 {
     public static class RedisCacheCaptchaExtensions
     {
+        /// <summary>
+        /// 即将弃用，调整为直接使用 AddCache()，并且配置 AddStackExchangeRedisCache，参考 https://docs.microsoft.com/zh-cn/aspnet/core/performance/caching/distributed?view=aspnetcore-6.0#distributed-redis-cache
+        /// </summary> 
+        [Obsolete("调整为直接使用 AddCache()，使用 Redis 缓存时配置 AddStackExchangeRedisCache，参考 https://docs.microsoft.com/zh-cn/aspnet/core/performance/caching/distributed?view=aspnetcore-6.0#distributed-redis-cache",false)]
         public static IServiceCollection AddRedisCacheCaptcha(this IServiceCollection services, IConfiguration configuration, Action<CaptchaOptions> optionsAction = default!, string connName = null!)
         {
-            var connStr = configuration.GetConnectionString(connName??"RedisCache");
+            var connStr = configuration.GetConnectionString(connName ?? "RedisCache");
             if (string.IsNullOrEmpty(connStr))
             {
                 throw new Exception("Please set connection string for key `RedisCache` in setting json file");
             }
-            return services
-                .AddStackExchangeRedisCache(options =>
-                {
-                    options.Configuration = connStr;
-                    options.InstanceName = "captcha:";
-                })
-                .AddScoped<IStorage, DefaultStorage>()
-                .AddCaptcha(configuration, optionsAction);
+            services.AddCaptcha(configuration, optionsAction);
+            return services.AddStackExchangeRedisCache(options =>
+            {
+                options.Configuration = connStr;
+                options.InstanceName = "captcha:";
+            });
         }
     }
 }
\ No newline at end of file
diff --git a/Lazy.Captcha.Web/Program.cs b/Lazy.Captcha.Web/Program.cs
index 42f573bdadca72fe33bd47466f0fa7b321f8c733..0908969441ea540cf4529f91823a5c18ea05b655 100644
--- a/Lazy.Captcha.Web/Program.cs
+++ b/Lazy.Captcha.Web/Program.cs
@@ -3,20 +3,23 @@ using Lazy.Captcha.Core.Generator;
 
 var builder = WebApplication.CreateBuilder(args);
 
-//// redis�洢������appsettings.json����
+
 //builder.Services.AddRedisCacheCaptcha(builder.Configuration);
 
+
 // �ڴ�洢�� ����appsettings.json����
-builder.Services.AddMemoryCacheCaptcha(builder.Configuration, option =>
-{
-    // �������ÿ��Ը���appsettings.json����
+builder.Services.AddCaptcha(builder.Configuration);
+
+
+// ���ʹ��redis���棬���������
+//builder.Services.AddStackExchangeRedisCache(options =>
+//{
+//    options.Configuration = builder.Configuration.GetConnectionString("RedisCache");
+//    options.InstanceName = "captcha:";
+//});
 
-    //option.ImageOption.Animation = false;
-    //option.CaptchaType = CaptchaType.WORD_UPPER;
-    //option.ImageOption.FontFamily = DefaultFontFamilys.Instance.Robot;
-    //option.ImageOption.BubbleCount = 0;
-});
 
+// -----------------------------------------------------------------------------
 // ȫ�����ò��������ڴ�������
 //builder.Services.AddMemoryCacheCaptcha(builder.Configuration, option =>
 //{