diff --git a/Src/Asp.NetCore2/SqlSeverTest/UserTestCases/UnitTest/Main.cs b/Src/Asp.NetCore2/SqlSeverTest/UserTestCases/UnitTest/Main.cs
index 8345b0dd3..f2bfb1570 100644
--- a/Src/Asp.NetCore2/SqlSeverTest/UserTestCases/UnitTest/Main.cs
+++ b/Src/Asp.NetCore2/SqlSeverTest/UserTestCases/UnitTest/Main.cs
@@ -33,6 +33,7 @@ namespace OrmTest
         }
         public static void Init()
         {
+            UnitManyToMany121231.Init();
             UnitFilteradfa.Init();
             UnitWeek.Init();
             Unitadfaasdfaaa.Init();
diff --git a/Src/Asp.NetCore2/SqlSeverTest/UserTestCases/UnitTest/UnitManyOtMany2131.cs b/Src/Asp.NetCore2/SqlSeverTest/UserTestCases/UnitTest/UnitManyOtMany2131.cs
new file mode 100644
index 000000000..3aa5568cf
--- /dev/null
+++ b/Src/Asp.NetCore2/SqlSeverTest/UserTestCases/UnitTest/UnitManyOtMany2131.cs
@@ -0,0 +1,178 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using SqlSugar;
+namespace OrmTest
+{
+    internal class UnitManyToMany121231
+    {
+        public static void Init()
+        {
+            var db = NewUnitTest.Db;
+            db.CodeFirst.InitTables<OperatorInfo, Role, OptRole>();
+            db.DbMaintenance.TruncateTable<OperatorInfo, Role, OptRole>();
+
+            var id = db.Insertable(new Role()
+            {
+                id = 1,
+                createTime = DateTime.Now,
+                name = "admin"
+
+            }).ExecuteReturnIdentity();
+            var id2 = db.Insertable(new Role()
+            {
+                id = 2,
+                createTime = DateTime.Now,
+                name = "admin"
+
+            }).ExecuteReturnIdentity();
+            db.InsertNav(new OperatorInfo()
+            {
+                id = "1",
+                createTime = DateTime.Now,
+                isDel = 1,
+                isDisabled = 1,
+                openid = "",
+                phone = "",
+                pwd = "",
+                realname = "a01",
+                remark = "a",
+                sno = "a",
+                username = "a01",
+                Roles = new List<Role>() {
+                   new Role() { id = 2 },
+                    new Role() { id = 1 } }
+            }).Include(it=>it.Roles).ExecuteCommand();
+
+            var list1 = db.Queryable<OperatorInfo>()
+                .Includes(it => it.Roles)
+                .ToList();  
+        }
+
+        /// <summary>
+        /// 描述：
+        /// 作者：synjones
+        /// 时间：2022-04-20 21:30:28
+        /// </summary>
+        [SugarTable("unit_operatorinfo3313")]
+        public partial class OperatorInfo
+        {           /// <summary>
+                    /// 多角色
+                    /// </summary>
+            [Navigate(typeof(OptRole), nameof(OptRole.operId), nameof(OptRole.roleId))]//名字换
+            public List<Role> Roles { get; set; }
+            /// <summary>
+            /// 主键
+            /// </summary>
+            [SugarColumn(IsPrimaryKey = true)]
+            public string id { get; set; }
+
+            /// <summary>
+            /// 姓名
+            /// </summary>
+            public string realname { get; set; }
+
+            /// <summary>
+            /// 账号
+            /// </summary>
+            public string username { get; set; }
+
+            /// <summary>
+            /// 密码
+            /// </summary>
+            public string pwd { get; set; }
+
+            /// <summary>
+            /// 学号
+            /// </summary>
+            public string sno { get; set; }
+
+            /// <summary>
+            /// openid
+            /// </summary>
+            public string openid { get; set; }
+
+            /// <summary>
+            /// 手机号码
+            /// </summary>
+            public string phone { get; set; }
+
+            /// <summary>
+            /// 备注信息
+            /// </summary>
+            public string remark { get; set; }
+
+            /// <summary>
+            /// 创建日期
+            /// </summary>
+            public DateTime createTime { get; set; }
+
+            /// <summary>
+            /// 状态（1：启用，2：禁用）
+            /// </summary>
+            public int isDisabled { get; set; }
+
+            /// <summary>
+            /// 是否删除（1：正常；2：删除）
+            /// </summary>
+            public int isDel { get; set; }
+
+        }
+
+        /// <summary>
+        /// 描述：
+        /// 作者：synjones
+        /// 时间：2022-04-20 21:30:28
+        /// </summary>
+        [SugarTable("unit_role13313")]
+        public partial class Role
+        {
+            /// <summary>
+            /// 角色
+            /// </summary>
+            [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
+            public long id { get; set; }
+
+            /// <summary>
+            /// 角色名称
+            /// </summary>
+            public string name { get; set; }
+
+            /// <summary>
+            /// 创建时间
+            /// </summary>
+            public DateTime createTime { get; set; }
+
+
+        }
+
+        /// <summary>
+        /// 描述：
+        /// 作者：synjones
+        /// 时间：2022-04-21 14:35:09
+        /// </summary>
+        [SugarTable("unit_operator_role3313")]
+        public partial class OptRole
+        {
+            /// <summary>
+            /// 
+            /// </summary>
+            [SugarColumn(IsPrimaryKey = true)]
+            public long id { get; set; }
+
+            /// <summary>
+            /// 
+            /// </summary>
+            public string operId { get; set; }
+
+            /// <summary>
+            /// 
+            /// </summary>
+            public int roleId { get; set; }
+
+
+        }
+    }
+}
\ No newline at end of file