diff --git a/Yi.Abp.Net8/framework/Yi.Framework.SqlSugarCore/SqlSugarDbContext.cs b/Yi.Abp.Net8/framework/Yi.Framework.SqlSugarCore/SqlSugarDbContext.cs
index 09543005..528ac602 100644
--- a/Yi.Abp.Net8/framework/Yi.Framework.SqlSugarCore/SqlSugarDbContext.cs
+++ b/Yi.Abp.Net8/framework/Yi.Framework.SqlSugarCore/SqlSugarDbContext.cs
@@ -155,9 +155,9 @@ namespace Yi.Framework.SqlSugarCore
             }
             if (IsMultiTenantFilterEnabled)
             {
-                //表达式不能放方法
-                Guid? tenantId = CurrentTenant?.Id;
-                sqlSugarClient.QueryFilter.AddTableFilter<IMultiTenant>(u => u.TenantId == tenantId);
+                //表达式里只能有具体值，不能运算
+                var expressionCurrentTenant = CurrentTenant.Id ?? null;
+                sqlSugarClient.QueryFilter.AddTableFilter<IMultiTenant>(u => u.TenantId == expressionCurrentTenant);
             }
             CustomDataFilter(sqlSugarClient);
         }