diff --git a/Src/Asp.NetCore2/SqlSeverTest/UnitTest/Main.cs b/Src/Asp.NetCore2/SqlSeverTest/UnitTest/Main.cs
index 543c2df24..75ff1ff51 100644
--- a/Src/Asp.NetCore2/SqlSeverTest/UnitTest/Main.cs
+++ b/Src/Asp.NetCore2/SqlSeverTest/UnitTest/Main.cs
@@ -30,6 +30,7 @@ namespace OrmTest
         }
         public static void Init()
         {
+            Unitadfasfa.Init();
             UnitOneToMany1231123.Init();
             OneToManyInString.Init();
             UnitSplitTask.Init();
diff --git a/Src/Asp.NetCore2/SqlSeverTest/UnitTest/Unitadfasfa.cs b/Src/Asp.NetCore2/SqlSeverTest/UnitTest/Unitadfasfa.cs
new file mode 100644
index 000000000..e1a5ac9fa
--- /dev/null
+++ b/Src/Asp.NetCore2/SqlSeverTest/UnitTest/Unitadfasfa.cs
@@ -0,0 +1,116 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Text;
+using System.Linq;
+namespace OrmTest
+{
+    internal class Unitadfasfa
+    {
+        public static void Init() 
+        {
+            var db = NewUnitTest.Db;
+            var list=new string[] {"a","b" };
+            //如何存在删掉重新建新表
+            if (db.DbMaintenance.IsAnyTable("Product", false)) 
+            {
+                db.DbMaintenance.DropTable<Manufacturer, Product, DefineManufacturerAuthentication, ManufacturerAuthentication>();
+            }
+            db.CodeFirst.InitTables<Manufacturer, Product,DefineManufacturerAuthentication, ManufacturerAuthentication >();
+            db.Queryable<Manufacturer>()
+                .Where(it => it.Authentications.Any(s => list.Contains(s.Authentication.CnAuthentication)))
+                .ToList();
+        }
+        /// <summary>
+        /// 商品 和供应商多对一
+        /// </summary>
+        public class Product
+        {
+            [SugarColumn(ColumnDescription = "Id", IsPrimaryKey = true)]
+            public long Id { get; set; }
+            /// <summary>
+            ///   50个字段...
+            /// </summary>
+            /// <summary>
+            /// 供应商Id
+            /// </summary>
+            [SugarColumn(ColumnDescription = "供应商Id")]
+            public long? ManufacturerId { get; set; }
+            /// <summary>
+            /// 供应商
+            /// </summary>
+            [SugarColumn(IsIgnore = true)]
+            [Navigate(NavigateType.OneToOne, nameof(ManufacturerId))]
+            public Manufacturer? Manufacturer { get; set; }
+        }
+        /// <summary>
+        /// 和供应商一对一
+        /// </summary>
+        public class Manufacturer
+        {
+            [SugarColumn(ColumnDescription = "Id", IsPrimaryKey = true)]
+            public long Id { get; set; }
+            /// <summary>
+            /// 供应商名称
+            /// </summary>
+            [SugarColumn(ColumnDescription = "供应商名称", Length = 64)]
+            public string? Name { get; set; }
+
+            /// <summary>
+            /// 认证
+            /// </summary>
+            [SugarColumn(IsIgnore = true)]
+            [Navigate(NavigateType.OneToMany, nameof(ManufacturerAuthentication.ManufacturerId))]
+            public List<ManufacturerAuthentication>? Authentications { get; set; }
+        }
+        /// <summary>
+        /// 和供应商认证一对多
+        /// </summary>
+        public class ManufacturerAuthentication
+        {
+            [SugarColumn(ColumnDescription = "Id", IsPrimaryKey = true)]
+            public long Id { get; set; }
+
+            /// <summary>
+            /// 供应商Id
+            /// </summary>
+            [Required]
+            [SugarColumn(ColumnDescription = "供应商Id")]
+            public long? ManufacturerId { get; set; }
+            /// <summary>
+            /// 供应商
+            /// </summary>
+            [SugarColumn(IsIgnore = true)]
+            [Navigate(NavigateType.OneToOne, nameof(ManufacturerId))]
+            public Manufacturer? Manufacturer { get; set; }
+            /// <summary>
+            /// 认证Id
+            /// </summary>
+            [SugarColumn(ColumnDescription = "认证Id")]
+            public long? AuthenticationId { get; set; }
+            /// <summary>
+            /// 认证
+            /// </summary>
+            [SugarColumn(IsIgnore = true)]
+            [Navigate(NavigateType.OneToOne, nameof(AuthenticationId))]
+            public DefineManufacturerAuthentication? Authentication { get; set; }
+
+        }
+        /// <summary>
+        /// 和认证一对一
+        /// </summary>
+        public class DefineManufacturerAuthentication
+        {
+            [SugarColumn(ColumnDescription = "Id", IsPrimaryKey = true)]
+            public long Id { get; set; }
+            /// <summary>
+            /// 中文名称
+            /// </summary>
+            [SugarColumn(ColumnDescription = "中文名称", Length = 64)]
+            [MaxLength(64)]
+            public string? CnAuthentication { get; set; }
+
+        }
+    }
+}