diff --git a/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj b/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
index b4e89eba2..a533e40dc 100644
--- a/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
+++ b/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
@@ -174,6 +174,7 @@
     <Compile Include="UnitTest\UOneManyMany3.cs" />
     <Compile Include="UnitTest\UOneManyMany2.cs" />
     <Compile Include="UnitTest\UOneManyMany.cs" />
+    <Compile Include="UnitTest\USelectSinleDTO.cs" />
     <Compile Include="UnitTest\USplit.cs" />
     <Compile Include="UnitTest\Models\TB_AdminUser.cs" />
     <Compile Include="UnitTest\Models\TB_ClientConfig.cs" />
diff --git a/Src/Asp.Net/SqlServerTest/UnitTest/Main.cs b/Src/Asp.Net/SqlServerTest/UnitTest/Main.cs
index ec05ed163..6fb90d321 100644
--- a/Src/Asp.Net/SqlServerTest/UnitTest/Main.cs
+++ b/Src/Asp.Net/SqlServerTest/UnitTest/Main.cs
@@ -31,6 +31,7 @@ namespace OrmTest
         }
         public static void Init()
         {
+            USelectSinleDTO.Init();
             UCustom024.Init();
             UCustom24.Init();
             UCustom20.Init();
diff --git a/Src/Asp.Net/SqlServerTest/UnitTest/USelectSinleDTO.cs b/Src/Asp.Net/SqlServerTest/UnitTest/USelectSinleDTO.cs
new file mode 100644
index 000000000..3893e57d2
--- /dev/null
+++ b/Src/Asp.Net/SqlServerTest/UnitTest/USelectSinleDTO.cs
@@ -0,0 +1,79 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using SqlSugar;
+namespace OrmTest
+{
+    public class USelectSinleDTO
+    {
+        public static void Init()
+        {
+            var db = NewUnitTest.Db;
+            Dto1(db);
+            Dto2(db);
+            Dto3(db);
+            db.CodeFirst.InitTables<ClassA>();
+            db.Insertable(new ClassA() { fId = 1, username = "a" }).ExecuteCommand();
+            var list = db.Queryable<ClassA>().Select<ClassDTO>().ToList();
+            if (list.First().fId != 1 && list.First().username != "a") throw new Exception("unit error");
+            db.DbMaintenance.DropTable<ClassA>();
+        }
+
+        private static void Dto1(SqlSugarClient db)
+        {
+            var sql = db.Queryable<ClassA>().Select<ClassDTO>().ToSql();
+            if (sql.Key != "SELECT [f_id] AS fId ,[user_name] AS username FROM [ClassA] ")
+            {
+                throw new Exception("unit error");
+            }
+        }
+        private static void Dto2(SqlSugarClient db)
+        {
+            var sql = db.Queryable<ClassA>().Select<ClassDTO2>().ToSql();
+            if (sql.Key != "SELECT [user_name] AS username FROM [ClassA] ")
+            {
+                throw new Exception("unit error");
+            }
+        }
+        private static void Dto3(SqlSugarClient db)
+        {
+            var sql = db.Queryable<ClassA>().Select<ClassDTO3>().ToSql();
+            if (sql.Key != "SELECT [f_id] AS f_id ,[user_name] AS username FROM [ClassA] ")
+            {
+                throw new Exception("unit error");
+            }
+        }
+
+
+        public class ClassA 
+        {
+            [SqlSugar.SugarColumn(ColumnName = "f_id")]
+            public int fId { get; set; }
+            [SqlSugar.SugarColumn(ColumnName = "user_name")]
+            public string username { get; set; }
+        }
+        public class ClassDTO3
+        {
+
+            public int f_id { get; set; }
+
+            public string username { get; set; }
+        }
+        public class ClassDTO2
+        {
+
+            public int fId2 { get; set; }
+
+            public string username { get; set; }
+        }
+        public class ClassDTO
+        {
+          
+            public int fId { get; set; }
+         
+            public string username { get; set; }
+        }
+    }
+}