diff --git a/Src/Asp.Net/SqlServerTest/BugTest/Bug1.cs b/Src/Asp.Net/SqlServerTest/BugTest/Bug1.cs
new file mode 100644
index 000000000..0efbcb11b
--- /dev/null
+++ b/Src/Asp.Net/SqlServerTest/BugTest/Bug1.cs
@@ -0,0 +1,70 @@
+using OrmTest.Demo;
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace OrmTest.BugTest
+{
+    public class Bug1
+    {
+        public static SqlSugarClient GetInstance()
+        {
+            SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
+            {
+                InitKeyType = InitKeyType.Attribute,
+                ConnectionString = Config.ConnectionString,
+                DbType = DbType.SqlServer,
+                IsAutoCloseConnection = true
+            });
+            db.Aop.OnLogExecuting = (sql, pars) =>
+            {
+                Console.WriteLine(sql + "\r\n" + db.Utilities.SerializeObject(pars.ToDictionary(it => it.ParameterName, it => it.Value)));
+                Console.WriteLine();
+            };
+            return db;
+        }
+        public void Init()
+        {
+            var communityId = "";
+            var buildId = "";
+            var unitId = "";
+            var keyword = "";
+            GetInstance().CodeFirst.InitTables(typeof(MainTable), typeof(SubTable));
+            GetInstance().Queryable<MainTable>().Where(u =>
+(u.CommunityID == communityId || SqlFunc.IsNullOrEmpty(communityId)) &&
+(SqlFunc.Contains(u.BuildID, buildId) || SqlFunc.IsNullOrEmpty(buildId)) &&
+(SqlFunc.Contains(u.UnitID, unitId) || SqlFunc.IsNullOrEmpty(unitId)) &&
+(SqlFunc.Contains(u.RoomNumber, keyword) || SqlFunc.Contains(u.RoomerName, keyword) ||
+SqlFunc.Contains(u.HousePlace, keyword) || SqlFunc.Contains(u.UnitName, keyword) ||
+SqlFunc.Contains(u.BuildName, keyword) || SqlFunc.IsNullOrEmpty(keyword)))
+.GroupBy(ru => new { ru.RoomNumber, ru.RoomID })
+.Select(ru => new 
+{
+   RoomNumber = SqlFunc.AggregateMax(ru.RoomNumber),
+   CountRoomer = SqlFunc.AggregateCount(ru.RoomerName),
+   RoomID = SqlFunc.AggregateMax(ru.RoomID),
+   Owner = SqlFunc.Subqueryable<SubTable>().Where(r => r.RoomID == ru.RoomID && SqlFunc.Equals(r.RoomUserType, "业主") && SqlFunc.Equals(r.RoomUserType, "业主")).Select(s => s.RoomerName)
+}).OrderBy((r) => r.RoomNumber, type: OrderByType.Desc).ToPageList(1, 2);
+        }
+        public class MainTable
+        {
+            public string CommunityID { get; internal set; }
+            public string BuildID { get; internal set; }
+            public string UnitID { get; internal set; }
+            public string RoomNumber { get; internal set; }
+            public string HousePlace { get; internal set; }
+            public string BuildName { get; internal set; }
+            public string RoomID { get; internal set; }
+            public string UnitName { get; internal set; }
+            public string RoomerName { get; internal set; }
+        }
+        public class SubTable
+        {
+            public string RoomID { get; internal set; }
+            public string RoomUserType { get; internal set; }
+            public string RoomerName { get; internal set; }
+        }
+    }
+}
diff --git a/Src/Asp.Net/SqlServerTest/Program.cs b/Src/Asp.Net/SqlServerTest/Program.cs
index eded3b195..00a28700b 100644
--- a/Src/Asp.Net/SqlServerTest/Program.cs
+++ b/Src/Asp.Net/SqlServerTest/Program.cs
@@ -17,6 +17,7 @@ namespace OrmTest
     {
         static void Main(string[] args)
         {
+   
             //    /***Unit Test***/
             new Select(1).Init();
             new Field(1).Init();
@@ -53,6 +54,9 @@ namespace OrmTest
             Demo.AttributeDemo.Init();
             Demo.Mapper.Init();
             Demo.ExtEntity.Init();
+
+            /***BUG repair test***/
+            //new BugTest.Bug1().Init();
         }
     }
 }
diff --git a/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj b/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
index 22a90e5c1..7f80d23fa 100644
--- a/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
+++ b/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
@@ -47,6 +47,7 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="BugTest\Bug1.cs" />
     <Compile Include="Demos\F_VersionValidation.cs" />
     <Compile Include="Demos\G_Mapper.cs" />
     <Compile Include="Demos\H_ExtEntity.cs" />