diff --git a/src/0-core/HuanMeng.DotNetCore/CacheHelper/MemoryCacheHelper.cs b/src/0-core/HuanMeng.DotNetCore/CacheHelper/MemoryCacheHelper.cs
new file mode 100644
index 0000000..8b9758e
--- /dev/null
+++ b/src/0-core/HuanMeng.DotNetCore/CacheHelper/MemoryCacheHelper.cs
@@ -0,0 +1,55 @@
+using Microsoft.Extensions.Caching.Memory;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace XLib.DotNetCore.CacheHelper
+{
+    /// <summary>
+    /// 内存缓存帮助类
+    /// </summary>
+    public class MemoryCacheHelper
+    {
+        private static MemoryCache cache = new MemoryCache(new MemoryCacheOptions());
+
+        /// <summary>
+        /// 获取缓存
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="cacheName"></param>
+        /// <returns></returns>
+        public static T? GetCache<T>(string cacheName) where T : class, new()
+        {
+            
+            return cache.TryGetValue(cacheName, out var value) ? value as T : null;
+        }
+
+        /// <summary>
+        /// 设置缓存
+        /// </summary>
+        /// <param name="cacheName"></param>
+        /// <param name="val"></param>
+        /// <param name="cacheTime">单位秒，默认1小时</param>
+        public static void SetCache(string cacheName, object val, int cacheTime = 21000)
+        {
+            //数据量渐渐大了，每次因为很多都是同时缓存 所以在这里分流一下
+            if (cacheTime == 21000)
+                cacheTime = new Random().Next(21000, 43200);
+            cache.Set(cacheName, val, TimeSpan.FromSeconds(cacheTime));
+        }
+
+        /// <summary>
+        /// 删除缓存
+        /// </summary>
+        /// <param name="cacheName"></param>
+        public static void DelCache(string? cacheName = null)
+        {
+            if (!string.IsNullOrEmpty(cacheName))
+                cache.Remove(cacheName);
+            else
+                cache.Dispose();
+        }
+    }
+}
diff --git a/src/0-core/HuanMeng.MiaoYu.Code/Cache/CharacterBaseCache.cs b/src/0-core/HuanMeng.MiaoYu.Code/Cache/CharacterBaseCache.cs
new file mode 100644
index 0000000..44b6d31
--- /dev/null
+++ b/src/0-core/HuanMeng.MiaoYu.Code/Cache/CharacterBaseCache.cs
@@ -0,0 +1,56 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using HuanMeng.MiaoYu.Code.DataAccess;
+using HuanMeng.MiaoYu.Model.DbSqlServer.Db_MiaoYu;
+using Microsoft.Extensions.Caching.Memory;
+
+namespace HuanMeng.MiaoYu.Code.Cache
+{
+    /// <summary>
+    /// 人物信息缓存  
+    /// </summary>
+    public class CharacterInfoBaseCache
+    {
+        private  IMemoryCache _memoryCache;
+        private object _cacheLock = new object(); // 用于线程安全的锁
+        private const string CharactersCacheKey = "Characters";
+        private DAO _dao;
+
+        public CharacterInfoBaseCache(IMemoryCache memoryCache, DAO dao)
+        {
+            this._memoryCache = memoryCache;
+            this._dao = dao;
+        }
+
+        public List<T_Character> GetCharacterFromCache(int userId)
+        {
+            lock (_cacheLock) // 加锁以防止并发访问
+            {
+                if (!_memoryCache.TryGetValue(CharactersCacheKey , out List<T_Character> cachedCharacter))
+                {
+                    // 如果缓存中没有数据，则从数据库中获取
+                    //var db = new YourDbContext();
+                    var character = _dao.daoDbMiaoYu.context.T_Character.ToList();
+                    if (character != null && character.Count > 0)
+                    {
+                        // 将数据放入缓存
+                        var cacheEntryOptions = new MemoryCacheEntryOptions()
+                            .SetAbsoluteExpiration(TimeSpan.FromMinutes(30)) // 设置缓存过期时间
+                            .SetSlidingExpiration(TimeSpan.FromMinutes(5)); // 设置滑动过期时间
+                        _memoryCache.Set(CharactersCacheKey , character, cacheEntryOptions);
+                        
+                        cachedCharacter = character;
+                    }
+                    else
+                    {
+                        cachedCharacter = new List<T_Character>();
+                    }
+                }
+                return cachedCharacter;
+            }
+        }
+    }
+}
diff --git a/src/0-core/HuanMeng.MiaoYu.Code/Cache/MiaoYuDataEntityCache.cs b/src/0-core/HuanMeng.MiaoYu.Code/Cache/MiaoYuDataEntityCache.cs
new file mode 100644
index 0000000..7997119
--- /dev/null
+++ b/src/0-core/HuanMeng.MiaoYu.Code/Cache/MiaoYuDataEntityCache.cs
@@ -0,0 +1,16 @@
+using HuanMeng.MiaoYu.Code.DataAccess;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HuanMeng.MiaoYu.Code.Cache
+{
+    /// <summary>
+    /// 妙语数据库实体类缓存 
+    /// </summary>
+    public class MiaoYuDataEntityCache<T>(DAO _dAO) where T : class
+    {
+    }
+}
diff --git a/src/0-core/HuanMeng.MiaoYu.Code/Chat/ChatBLL.cs b/src/0-core/HuanMeng.MiaoYu.Code/Chat/ChatBLL.cs
index a6049eb..3b02d69 100644
--- a/src/0-core/HuanMeng.MiaoYu.Code/Chat/ChatBLL.cs
+++ b/src/0-core/HuanMeng.MiaoYu.Code/Chat/ChatBLL.cs
@@ -1,4 +1,7 @@
 using HuanMeng.DotNetCore.Base;
+using HuanMeng.MiaoYu.Code.Cache;
+using HuanMeng.MiaoYu.Model.DbSqlServer.Db_MiaoYu;
+using HuanMeng.MiaoYu.Model.Dto.Home;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
 using System;
@@ -14,10 +17,17 @@ namespace HuanMeng.MiaoYu.Code.Chat
     /// </summary>
     public class ChatBLL : MiaoYuBase
     {
-        public ChatBLL(IServiceProvider serviceProvider) : base(serviceProvider)
-        {
+        private readonly CharacterInfoBaseCache _characterCache;
 
+        public ChatBLL(IServiceProvider serviceProvider, CharacterInfoBaseCache characterCache) : base(serviceProvider)
+        {
+            _characterCache = characterCache;
         }
+
+        //public async Task<CharacterInfoDto> GetCharacterInfo()
+        //{
+
+        //}
         /// <summary>
         /// 删除聊天记录
         /// </summary>
@@ -26,6 +36,8 @@ namespace HuanMeng.MiaoYu.Code.Chat
         /// <returns></returns>
         public async Task<bool> DelChatByIds(List<int> id,int characterId)
         {
+           
+           List<T_Character> list = _characterCache.GetCharacterFromCache(characterId);
             var chatsToDelete = await Dao.daoDbMiaoYu.context.T_Chat.Where(t => id.Contains(t.Id)).ToListAsync();
             if (chatsToDelete.Count <= 0)
             {
diff --git a/src/0-core/HuanMeng.MiaoYu.Model/Dto/Chat/CharacterInfoDto.cs b/src/0-core/HuanMeng.MiaoYu.Model/Dto/Chat/CharacterInfoDto.cs
index bbcade7..d0c4bac 100644
--- a/src/0-core/HuanMeng.MiaoYu.Model/Dto/Chat/CharacterInfoDto.cs
+++ b/src/0-core/HuanMeng.MiaoYu.Model/Dto/Chat/CharacterInfoDto.cs
@@ -6,6 +6,10 @@ using System.Threading.Tasks;
 
 namespace HuanMeng.MiaoYu.Model.Dto.Home
 {
+    public class CharacterInfo
+    {
+        public List<CharacterInfoDto> CharacterInfos { get; set; }
+    }
     /// <summary>
     /// 用户和人物信息
     /// </summary>
@@ -94,6 +98,9 @@ namespace HuanMeng.MiaoYu.Model.Dto.Home
     /// </summary>
     public class ChatListDto
     {
+        /// <summary>
+        /// 聊天列表
+        /// </summary>
         public List<ChatMessageDto> ChatList { get; set; }
     }
 
@@ -105,12 +112,12 @@ namespace HuanMeng.MiaoYu.Model.Dto.Home
         /// <summary>
         /// 聊天记录id
         /// </summary>
-        public List<int> id { get; set; }
+        public List<int> Id { get; set; }
 
         /// <summary>
         /// 人物id
         /// </summary>
-        public int characterId { get; set; }
+        public int CharacterId { get; set; }
     }
 
     /// <summary>
@@ -121,6 +128,6 @@ namespace HuanMeng.MiaoYu.Model.Dto.Home
         /// <summary>
         /// 人物id
         /// </summary>
-       public int characterId { get; set; }
+       public int CharacterId { get; set; }
     }
 }
diff --git a/src/2-api/HuanMeng.MiaoYu.WebApi/Controllers/ChatController.cs b/src/2-api/HuanMeng.MiaoYu.WebApi/Controllers/ChatController.cs
index d2a80d3..3c20bd2 100644
--- a/src/2-api/HuanMeng.MiaoYu.WebApi/Controllers/ChatController.cs
+++ b/src/2-api/HuanMeng.MiaoYu.WebApi/Controllers/ChatController.cs
@@ -18,12 +18,14 @@ namespace HuanMeng.MiaoYu.WebApi.Controllers
     [ApiController]
     public class ChatController : MiaoYuControllerBase
     {
+        private readonly ChatBLL _chatBLL;
         /// <summary>
         /// 
         /// </summary>
         /// <param name="_serviceProvider"></param>
-        public ChatController(IServiceProvider _serviceProvider) : base(_serviceProvider)
+        public ChatController(IServiceProvider _serviceProvider, ChatBLL chatBLL) : base(_serviceProvider)
         {
+            _chatBLL= chatBLL;
         }
 
         /// <summary>
@@ -43,11 +45,11 @@ namespace HuanMeng.MiaoYu.WebApi.Controllers
         /// <summary>
         /// 获取聊天列表信息
         /// </summary>
-        /// <param name="userId"></param>
+        /// <param name="characterId"></param>
         /// <returns></returns>
         [HttpGet]
         [AllowAnonymous]
-        public async Task<BaseResponse<ChatListDto>> GetChatInfo()
+        public async Task<BaseResponse<ChatListDto>> GetChatInfo(int characterId)
         {
             var obj = JsonConvert.DeserializeObject<ChatListDto>("{\"ChatList\":[{\"Id\":\"1\",\"Role\":\"user\",\"Content\":\"Hello, how are you?\",\"Timestamp\":\"2022-03-01 12:00:00 \",\"MessageType\":0,\"UserIcon\":\"\"},{\"Id\":\"2\",\"Role\":\"assistant\",\"Content\":\"I'm fine, thanks!\",\"Timestamp\":\"2022-03-01 12:05:00 \",\"UserIcon\":\"\"}]}");
             return new BaseResponse<ChatListDto>(ResonseCode.Success, "", obj);
@@ -63,12 +65,12 @@ namespace HuanMeng.MiaoYu.WebApi.Controllers
         [AllowAnonymous]
         public async Task<BaseResponse<bool>> DelChatByIds([FromBody] DelChat delChat)
         {
-            if (delChat.id == null || delChat.characterId == 0)
+            if (delChat.Id == null || delChat.CharacterId == 0)
             {
                 throw new ArgumentNullException();
             }
-            ChatBLL chatBLL = new ChatBLL(ServiceProvider);
-            var obj = await chatBLL.DelChatByIds(delChat.id, delChat.characterId);
+            //ChatBLL chatBLL = new ChatBLL(ServiceProvider);
+            var obj = await _chatBLL.DelChatByIds(delChat.Id, delChat.CharacterId);
             return new BaseResponse<bool>(ResonseCode.Success, "", obj);
         }
 
@@ -81,8 +83,8 @@ namespace HuanMeng.MiaoYu.WebApi.Controllers
         [AllowAnonymous]
         public async Task<BaseResponse<bool>> DelChat([FromBody] DelChatList delChatList)
         {
-            ChatBLL chatBLL = new ChatBLL(ServiceProvider);
-            var obj = await chatBLL.DelChat(delChatList.characterId);
+            //ChatBLL chatBLL = new ChatBLL(ServiceProvider);
+            var obj = await _chatBLL.DelChat(delChatList.CharacterId);
             return new BaseResponse<bool>(ResonseCode.Success, "", obj);
         }
     }
diff --git a/src/2-api/HuanMeng.MiaoYu.WebApi/Program.cs b/src/2-api/HuanMeng.MiaoYu.WebApi/Program.cs
index 587d526..d7dc21b 100644
--- a/src/2-api/HuanMeng.MiaoYu.WebApi/Program.cs
+++ b/src/2-api/HuanMeng.MiaoYu.WebApi/Program.cs
@@ -10,6 +10,8 @@ using HuanMeng.MiaoYu.Code.JwtUtil;
 using Microsoft.AspNetCore.Authentication.JwtBearer;
 using HuanMeng.Utility.AssemblyHelper;
 using HuanMeng.DotNetCore.CustomExtension;
+using HuanMeng.MiaoYu.Code.Cache;
+using HuanMeng.MiaoYu.Code.Chat;
 var builder = WebApplication.CreateBuilder(args);
 
 // 检索程序集信息
@@ -71,6 +73,9 @@ builder.AddTencent();
 builder.AddMemoryVerificationCode();
 //添加jwt验证
 builder.AddJwtConfig();
+//builder.Services.AddMemoryCache();
+//builder.Services.AddScoped<CharacterInfoBaseCache>();
+////builder.Services.AddScoped<ChatBLL>();
 var app = builder.Build();
 
 // Configure the HTTP request pipeline.