diff --git a/Src/Dlhis.Sys.Api/ITenantApi.cs b/Src/Dlhis.Sys.Api/ITenantApi.cs
index efa3634f..72feba3b 100644
--- a/Src/Dlhis.Sys.Api/ITenantApi.cs
+++ b/Src/Dlhis.Sys.Api/ITenantApi.cs
@@ -1,4 +1,4 @@
-using Dlhis.User.Api.Response;
+using Dlhis.Sys.Api.Response;
 using Kurisu.Core.Result;
 using Kurisu.RemoteCall.Attributes;
 
@@ -18,6 +18,11 @@ public interface ITenantApi
     [Get("/api/tenants/list")]
     Task<DefaultApiResult<List<TenantResponse>>> GetTenantsAsync();
 
+
+    [Auth]
+    [Get("/api/tenants/tree")]
+    Task<DefaultApiResult<List<TenantTreeResponse>>> GetTenantTreeAsync();
+
     /// <summary>
     /// 获取所有租户(内部使用)
     /// </summary>
diff --git a/Src/Dlhis.Sys.Api/Response/TenantResponse.cs b/Src/Dlhis.Sys.Api/Response/TenantResponse.cs
index e20f2110..329c0b98 100644
--- a/Src/Dlhis.Sys.Api/Response/TenantResponse.cs
+++ b/Src/Dlhis.Sys.Api/Response/TenantResponse.cs
@@ -1,4 +1,4 @@
-namespace Dlhis.User.Api.Response;
+namespace Dlhis.Sys.Api.Response;
 
 public class TenantResponse
 {
diff --git a/Src/Dlhis.Sys.Api/Response/TenantTreeResponse.cs b/Src/Dlhis.Sys.Api/Response/TenantTreeResponse.cs
new file mode 100644
index 00000000..a81ba190
--- /dev/null
+++ b/Src/Dlhis.Sys.Api/Response/TenantTreeResponse.cs
@@ -0,0 +1,12 @@
+using Newtonsoft.Json;
+
+namespace Dlhis.Sys.Api.Response;
+
+public class TenantTreeResponse : TenantResponse
+{
+    /// <summary>
+    /// 下级
+    /// </summary>
+    [JsonProperty(Order = 99)]
+    public List<TenantTreeResponse> Next { get; set; }
+}
diff --git a/Src/Dlhis.Sys/Identity/Controllers/TenantsController.cs b/Src/Dlhis.Sys/Identity/Controllers/TenantsController.cs
index f34fb7ab..4018d12d 100644
--- a/Src/Dlhis.Sys/Identity/Controllers/TenantsController.cs
+++ b/Src/Dlhis.Sys/Identity/Controllers/TenantsController.cs
@@ -51,6 +51,16 @@ public class TenantsController : ControllerBase
         return await _tenantService.GetListAsync();
     }
 
+    /// <summary>
+    /// 租户树
+    /// </summary>
+    /// <returns></returns>
+    [HttpGet("tree")]
+    public async Task<List<TenantTreeResponse>> GetTreeAsync()
+    {
+        return await _tenantService.GetTreeAsync();
+    }
+
     /// <summary>
     /// 获取租户
     /// </summary>
diff --git a/Src/Dlhis.Sys/Identity/Request/TenantSaveRequest.cs b/Src/Dlhis.Sys/Identity/Request/TenantSaveRequest.cs
index a065d331..700c3ba0 100644
--- a/Src/Dlhis.Sys/Identity/Request/TenantSaveRequest.cs
+++ b/Src/Dlhis.Sys/Identity/Request/TenantSaveRequest.cs
@@ -6,6 +6,11 @@ public class TenantSaveRequest
 {
     public int? Id { get; set; }
 
+    /// <summary>
+    /// 上级
+    /// </summary>
+    public string PCode { get; set; }
+
     /// <summary>
     /// 代码
     /// </summary>
diff --git a/Src/Dlhis.Sys/Identity/Response/TenantTreeResponse.cs b/Src/Dlhis.Sys/Identity/Response/TenantTreeResponse.cs
new file mode 100644
index 00000000..dc940ba0
--- /dev/null
+++ b/Src/Dlhis.Sys/Identity/Response/TenantTreeResponse.cs
@@ -0,0 +1,12 @@
+using Newtonsoft.Json;
+
+namespace Dlhis.Sys.Identity.Response;
+
+public class TenantTreeResponse : TenantResponse
+{
+    /// <summary>
+    /// 下级
+    /// </summary>
+    [JsonProperty(Order = 99)]
+    public List<TenantTreeResponse> Next { get; set; }
+}
diff --git a/Src/Dlhis.Sys/Identity/Services/ITenantService.cs b/Src/Dlhis.Sys/Identity/Services/ITenantService.cs
index 4c58ad63..c7fb53d8 100644
--- a/Src/Dlhis.Sys/Identity/Services/ITenantService.cs
+++ b/Src/Dlhis.Sys/Identity/Services/ITenantService.cs
@@ -10,6 +10,8 @@ public interface ITenantService : IScopeDependency
 
     Task<List<TenantResponse>> GetListAsync();
 
+    Task<List<TenantTreeResponse>> GetTreeAsync();
+
     Task<TenantResponse> GetTenantByCode(string code);
 
     Task<List<TenantResponse>> GetMyTenantsAsync();
diff --git a/Src/Dlhis.Sys/Identity/Services/Implements/TenantService.cs b/Src/Dlhis.Sys/Identity/Services/Implements/TenantService.cs
index 7dfbbff8..9302cc6e 100644
--- a/Src/Dlhis.Sys/Identity/Services/Implements/TenantService.cs
+++ b/Src/Dlhis.Sys/Identity/Services/Implements/TenantService.cs
@@ -1,4 +1,5 @@
-using Dlhis.Entity.Sys.Entities;
+using Dlhis.Entity.Basic.Entity;
+using Dlhis.Entity.Sys.Entities;
 using Dlhis.Sys.Identity.Request;
 using Dlhis.Sys.Identity.Response;
 using Kurisu.AspNetCore.Utils.Extensions;
@@ -14,11 +15,9 @@ public class TenantService : ITenantService
     private readonly IDbContext _dbContext;
     private readonly ICurrentUser _currentUser;
 
-    public TenantService(IDbContext dbContext, IConfiguration configuration, ICurrentUser currentUser)
+    public TenantService(IDbContext dbContext, ICurrentUser currentUser)
     {
-        var identityConnection = configuration.GetSection("SqlSugarOptions:IdentityConnectionString").Value;
-        dbContext.Client.CurrentConnectionConfig.ConnectionString = identityConnection;
-        _dbContext = dbContext;
+        _dbContext = dbContext.ChangeDb("identity");
         _currentUser = currentUser;
     }
 
@@ -52,6 +51,7 @@ public class TenantService : ITenantService
         {
             await _dbContext.InsertAsync(new TenantEntity
             {
+                PCode = request.PCode,
                 Code = request.Code,
                 Name = request.Name,
             });
@@ -89,4 +89,29 @@ public class TenantService : ITenantService
 
         return myTenants;
     }
+
+    public async Task<List<TenantTreeResponse>> GetTreeAsync()
+    {
+        var tenants = await _dbContext.Queryable<TenantEntity>()
+               .Select<TenantTreeResponse>()
+               .ToListAsync();
+
+        var tops = tenants.Where(x => x.PCode.IsEmpty()).ToList();
+        foreach (var item in tops)
+        {
+            RecursionGetNext(item, tenants);
+        }
+        return tops;
+    }
+
+
+    private void RecursionGetNext(TenantTreeResponse current, List<TenantTreeResponse> data)
+    {
+        var next = data.Where(x => x.PCode == current.Code).ToList();
+        current.Next = next;
+        foreach (var item in next)
+        {
+            RecursionGetNext(item, data);
+        }
+    }
 }
diff --git a/Src/Dlhis.Sys/Menu/Controllers/MenusController.cs b/Src/Dlhis.Sys/Menu/Controllers/MenusController.cs
index 97808ff2..cf0247f4 100644
--- a/Src/Dlhis.Sys/Menu/Controllers/MenusController.cs
+++ b/Src/Dlhis.Sys/Menu/Controllers/MenusController.cs
@@ -5,6 +5,7 @@ using Dlhis.Sys.Menu.Services;
 using Dlhis.Sys.Menu.Response;
 using Dlhis.Sys.Menu.Request;
 using Dlhis.Entity.Sys.Enums;
+using Kurisu.AspNetCore.DataAccess.SqlSugar.Aop;
 
 namespace Dlhis.Sys.Menu.Controllers;
 
diff --git a/Src/Dlhis.Sys/SqlSugarPack.cs b/Src/Dlhis.Sys/SqlSugarPack.cs
index 3c58cc41..9458f466 100644
--- a/Src/Dlhis.Sys/SqlSugarPack.cs
+++ b/Src/Dlhis.Sys/SqlSugarPack.cs
@@ -1,8 +1,5 @@
 using Kurisu.AspNetCore.Startup;
-using Kurisu.Core.DataAccess.Entity;
 using Kurisu.SqlSugar.Extensions;
-using Kurisu.SqlSugar.Services;
-using Microsoft.AspNetCore.Mvc.Filters;
 using SqlSugar;
 
 namespace Dlhis.Sys;
@@ -36,103 +33,4 @@ public class SqlSugarPack : BaseAppPack
             };
         });
     }
-}
-
-
-
-
-/// <summary>
-/// 日志
-/// </summary>
-[AttributeUsage(AttributeTargets.Method)]
-public class LogAttribute : Attribute, IAsyncActionFilter
-{
-    public LogAttribute(string title)
-    {
-        Title = title;
-    }
-
-    /// <summary>
-    /// 
-    /// </summary>
-    public string Title { get; set; }
-
-    /// <summary>
-    /// 是否处理差异
-    /// </summary>
-    public bool Diff { get; set; }
-
-
-    public async Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next)
-    {
-        PreSetting(context.HttpContext);
-        await next();
-    }
-
-    private void PreSetting(HttpContext httpContext)
-    {
-        var options = httpContext.RequestServices.GetService<ISqlSugarOptionsService>();
-
-        options.Title = Title;
-        options.Diff = Diff;
-        options.BatchNo = Guid.NewGuid();
-        options.RoutePath = httpContext.Request.Path.Value;
-        options.RaiseTime = DateTime.Now;
-    }
-}
-
-/// <summary>
-/// 事务
-/// </summary>
-[AttributeUsage(AttributeTargets.Method)]
-public class TransactionalAttribute : Attribute, IAsyncActionFilter
-{
-    public async Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next)
-    {
-        var dbContext = context.HttpContext.RequestServices.GetRequiredService<ISqlSugarClient>();
-        await dbContext.Ado.BeginTranAsync();
-        try
-        {
-            var result = await next();
-            if (result.Exception != null)
-            {
-                throw result.Exception;
-            }
-            else
-            {
-                await dbContext.Ado.CommitTranAsync();
-            }
-        }
-        catch (Exception)
-        {
-            await dbContext.Ado.RollbackTranAsync();
-            throw;
-        }
-    }
-}
-
-/// <summary>
-/// 忽略租户
-/// </summary>
-[AttributeUsage(AttributeTargets.Method)]
-public class IgnoreTenantAttribute : Attribute, IAsyncActionFilter
-{
-    public async Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next)
-    {
-        var dbContext = context.HttpContext.RequestServices.GetRequiredService<ISqlSugarClient>();
-        var options = context.HttpContext!.RequestServices.GetService<ISqlSugarOptionsService>();
-        try
-        {
-            dbContext.QueryFilter.ClearAndBackup<ITenantId>();
-            options.IgnoreTenant = true;
-            await next();
-        }
-        finally
-        {
-            options.IgnoreTenant = false;
-            dbContext.QueryFilter.Restore();
-        }
-    }
-}
-
-
+}
\ No newline at end of file