diff --git a/OpenAuth.App/SysMessage/SysMessageApp.cs b/OpenAuth.App/SysMessage/SysMessageApp.cs
index 7faa7933..2cc94f9b 100644
--- a/OpenAuth.App/SysMessage/SysMessageApp.cs
+++ b/OpenAuth.App/SysMessage/SysMessageApp.cs
@@ -2,20 +2,18 @@
 using System.Linq;
 using System.Threading.Tasks;
 using Infrastructure;
-using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Logging;
 using OpenAuth.App.Interface;
 using OpenAuth.App.Request;
 using OpenAuth.App.Response;
-using OpenAuth.Repository;
 using OpenAuth.Repository.Domain;
-using OpenAuth.Repository.Interface;
 using Infrastructure.Helpers;
+using SqlSugar;
 
 
 namespace OpenAuth.App
 {
-    public class SysMessageApp : BaseStringApp<SysMessage,OpenAuthDBContext>
+    public class SysMessageApp : SqlSugarBaseApp<SysMessage>
     {
         private RevelanceManagerApp _revelanceApp;
         private readonly ILogger<SysMessageApp> _logger;
@@ -32,7 +30,7 @@ namespace OpenAuth.App
             }
 
             var result = new PagedDynamicDataResp();
-            var objs = UnitWork.Find<SysMessage>(u =>u.ToId == loginContext.User.Id && u.ToStatus != -1);
+            var objs = SugarClient.Queryable<SysMessage>().Where(u =>u.ToId == loginContext.User.Id && u.ToStatus != -1);
 
             if (!string.IsNullOrEmpty(request.key))
             {
@@ -54,7 +52,7 @@ namespace OpenAuth.App
 
         public void Add(SysMessage obj)
         {
-            Repository.Add(obj);
+            Repository.Insert(obj);
         }
 
         /// <summary>
@@ -75,14 +73,14 @@ namespace OpenAuth.App
             }
             else
             {
-                 sysUser = UnitWork.FirstOrDefault<SysUser>(u => u.Id == userId);
+                 sysUser = SugarClient.Queryable<SysUser>().First(u => u.Id == userId);
             }
             if (sysUser == null)
             {
                 _logger.LogError($"未能找到用户{userId},不能给该用户发送消息");
                 return;
             }
-            Repository.Add(new SysMessage
+            Repository.Insert(new SysMessage
             {
                 ToId = sysUser.Id,
                 ToName = sysUser.Name,
@@ -101,10 +99,10 @@ namespace OpenAuth.App
         /// <param name="msgid"></param>
         public void Read(ReadMsgReq req)
         {
-            UnitWork.Update<SysMessage>(u => u.Id == req.Id, u => new SysMessage
+            Repository.Update(u => new SysMessage
             {
                 ToStatus = 1
-            });
+            }, u => u.Id == req.Id);
         }
         /// <summary>
         /// 消息采用逻辑删除
@@ -112,15 +110,15 @@ namespace OpenAuth.App
         /// <param name="ids"></param>
         public void Del(string[] ids)
         {
-            UnitWork.Update<SysMessage>(u => ids.Contains(u.Id), u => new SysMessage
+            Repository.Update(u => new SysMessage
             {
                ToStatus = -1 //逻辑删除
-            });
+            }, u => ids.Contains(u.Id));
 
         }
 
-        public SysMessageApp(IUnitWork<OpenAuthDBContext> unitWork, IRepository<SysMessage,OpenAuthDBContext> repository,
-            RevelanceManagerApp app,IAuth auth, ILogger<SysMessageApp> logger) : base(unitWork, repository, auth)
+        public SysMessageApp(ISqlSugarClient client,
+            RevelanceManagerApp app,IAuth auth, ILogger<SysMessageApp> logger) : base(client, auth)
         {
             _revelanceApp = app;
             _logger = logger;