diff --git a/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj b/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
index 77a638fc0..fd67ef17e 100644
--- a/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
+++ b/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
@@ -97,6 +97,7 @@
     <Compile Include="Models\OrderItem.cs" />
     <Compile Include="Demo\Demo0_SqlSugarClient.cs" />
     <Compile Include="Models\ViewOrder.cs" />
+    <Compile Include="UnitTest\UnitCustom12312.cs" />
     <Compile Include="UnitTest\UnitEnum22.cs" />
     <Compile Include="UnitTest\UCustom025.cs" />
     <Compile Include="UnitTest\Models\ImsBillDtl.cs" />
diff --git a/Src/Asp.Net/SqlServerTest/UnitTest/Main.cs b/Src/Asp.Net/SqlServerTest/UnitTest/Main.cs
index b6d77556e..783aaa23f 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()
         {
+            UnitCustom12312.Init();
             UnitEnum22.Init();
             UCustom025.Init();
             UnitTestConfigQuery.Init();
diff --git a/Src/Asp.Net/SqlServerTest/UnitTest/UnitCustom12312.cs b/Src/Asp.Net/SqlServerTest/UnitTest/UnitCustom12312.cs
new file mode 100644
index 000000000..92eb31a53
--- /dev/null
+++ b/Src/Asp.Net/SqlServerTest/UnitTest/UnitCustom12312.cs
@@ -0,0 +1,137 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using SqlSugar;
+namespace OrmTest 
+{
+    public class UnitCustom12312
+    {
+        public static void Init() 
+        {
+            var db = NewUnitTest.Db;
+
+            var sql = db.Queryable<Conflict>()
+                           .LeftJoin<Department>((cf, d) => cf.DepartmentId == d.Id)
+                .Where((cf, d) => cf.IsDeleted == 0 &&
+                                 cf.Id == SqlFunc.Subqueryable<ConflictCirculation>().GroupBy(x => x.ConflictId).Select(x => x.ConflictId))
+                .Select(cf => new Conflict() { Id = cf.Id.SelectAll() }).ToSqlString();
+            if (!sql.Contains("[conflict_id]")) { throw new Exception("unit error"); }
+ 
+        }
+    }
+    [SugarTable("conflict")]
+    public class Conflict
+    {
+       
+        [SugarColumn(ColumnName = "id", ColumnDescription = "Id主键", IsPrimaryKey = true)]
+        public long Id { get; set; }
+
+        [SugarColumn(ColumnName = "user_id")]
+        public int? UserId { get; set; }
+
+        [SugarColumn(ColumnName = "department_id")]
+        public int? DepartmentId { get; set; }
+
+        [SugarColumn(ColumnName = "code")]
+        public string Code { get; set; }
+
+        [SugarColumn(ColumnName = "name")]
+        public string Name { get; set; }
+
+        [SugarColumn(ColumnName = "happen_date")]
+        public DateTime? HappenDate { get; set; }
+
+        [SugarColumn(ColumnName = "remark")]
+        public string Remark { get; set; }
+
+        [SugarColumn(ColumnName = "create_date")]
+        public DateTime CreateDate { get; set; } = DateTime.Now;
+
+        [SugarColumn(ColumnName = "is_deleted")]
+        public int IsDeleted { get; set; }
+
+        [SugarColumn(ColumnName = "process_status")]
+        public int? ProcessStatus { get; set; }
+
+        [SugarColumn(ColumnName = "mediation_status")]
+        public int? MediationStatus { get; set; }
+
+        [SugarColumn(ColumnName = "is_func")]
+        public int IsFunc { get; set; }
+
+        [SugarColumn(ColumnName = "func_type")]
+        public int FuncType { get; set; }
+
+        /// <summary>
+        /// 所属部门Uuid
+        /// </summary>
+        [SugarColumn(ColumnName = "department_uuid")]
+        public Guid DepartmentUuid { get; set; }
+
+        /// <summary>
+        /// 当事人
+        /// </summary>
+        [SugarColumn(ColumnName = "person_json")]
+        public string PersonJson { get; set; }
+
+    }
+    [SugarTable("Department")]
+    public class Department
+    {
+        [SugarColumn(ColumnName = "Id", IsPrimaryKey = true, IsIdentity = true)]
+        public int Id { get; set; }
+        [SugarColumn(ColumnName = "Name")]
+        public string Name { get; set; }
+        [SugarColumn(ColumnName = "Level")]
+        public int Level { get; set; }
+        [SugarColumn(ColumnName = "ParentId")]
+        public int ParentId { get; set; }
+        [SugarColumn(ColumnName = "PlatformId")]
+        public int? PlatformId { get; set; }
+        [SugarColumn(ColumnName = "PlatformCode")]
+        public string PlatformCode { get; set; }
+        [SugarColumn(ColumnName = "MapData")]
+        public string MapData { get; set; }
+        [SugarColumn(ColumnName = "Sort")]
+        public int Sort { get; set; }
+        [SugarColumn(ColumnName = "Remark")]
+        public string Remark { get; set; }
+        [SugarColumn(ColumnName = "Createdate")]
+        public DateTime Createdate { get; set; }
+        [SugarColumn(ColumnName = "IsDeleted")]
+        public int IsDeleted { get; set; }
+        [SugarColumn(ColumnName = "Lat")]
+        public decimal? Lat { get; set; }
+        [SugarColumn(ColumnName = "Lng")]
+        public decimal? Lng { get; set; }
+        [SugarColumn(ColumnName = "UUID")]
+        public Guid UUID { get; set; }
+    }
+    [SugarTable("conflict_circulation")]
+    public class ConflictCirculation
+    {
+ 
+        [SugarColumn(ColumnName = "id", ColumnDescription = "Id主键", IsPrimaryKey = true)]
+        public long Id { get; set; }
+
+        [SugarColumn(ColumnName = "conflict_id")]
+        public long ConflictId { get; set; }
+
+        [SugarColumn(ColumnName = "is_deleted")]
+        public int IsDeleted { get; set; } = 0;
+
+        [SugarColumn(ColumnName = "create_date")]
+        public DateTime CreateDate { get; set; } = DateTime.Now;
+
+        [SugarColumn(ColumnName = "update_date")]
+        public DateTime? UpdateDate { get; set; } = DateTime.Now;
+
+        [SugarColumn(ColumnName = "status")]
+        public int? Status { get; set; }
+
+        [SugarColumn(ColumnName = "is_func")]
+        public bool? IsFunc { get; set; }
+    }
+}