diff --git a/Src/Asp.Net/MySqlTest/MySqlTest.csproj b/Src/Asp.Net/MySqlTest/MySqlTest.csproj
index 8fec8d5a6..165f2730b 100644
--- a/Src/Asp.Net/MySqlTest/MySqlTest.csproj
+++ b/Src/Asp.Net/MySqlTest/MySqlTest.csproj
@@ -86,6 +86,7 @@
     <Compile Include="Models\Unit\Custom1\PurchaseDetailModel.cs" />
     <Compile Include="Models\ViewOrder.cs" />
     <Compile Include="Demo\DemoJ_Report.cs" />
+    <Compile Include="UnitTest\UCustom07.cs" />
     <Compile Include="UnitTest\UDelete.cs" />
     <Compile Include="UnitTest\UBulkCopy.cs" />
     <Compile Include="UnitTest\UCustom011.cs" />
diff --git a/Src/Asp.Net/MySqlTest/UnitTest/Main.cs b/Src/Asp.Net/MySqlTest/UnitTest/Main.cs
index db78ec7c7..fbd49ada5 100644
--- a/Src/Asp.Net/MySqlTest/UnitTest/Main.cs
+++ b/Src/Asp.Net/MySqlTest/UnitTest/Main.cs
@@ -31,6 +31,7 @@ namespace OrmTest
         }
         public static void Init()
         {
+            UCustom07.Init();
             UnitTestReturnPkList.Init();
             UnitSameKeyBug.Init();
             UOneManyMany.init();
diff --git a/Src/Asp.Net/MySqlTest/UnitTest/UCustom07.cs b/Src/Asp.Net/MySqlTest/UnitTest/UCustom07.cs
new file mode 100644
index 000000000..89d75fb08
--- /dev/null
+++ b/Src/Asp.Net/MySqlTest/UnitTest/UCustom07.cs
@@ -0,0 +1,39 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest 
+{
+    public class UCustom07
+    {
+        public static void Init() 
+        {
+            var db = NewUnitTest.Db;
+            var x=db.Deleteable(new Date1() { dateTime = DateTime.Now,name="a" }).ToSql();
+            if (x.Key.Contains("//") || x.Key.Contains("\\")) { throw new Exception("unit error"); }
+            var x2 = db.Deleteable(new Date2() { dateTime = DateTime.Now, name = "a" }).ToSql();
+            if (x2.Key.Contains("//") || x.Key.Contains("\\")) { throw new Exception("unit error"); }
+            db.CodeFirst.InitTables<Date2, Date1>();
+            db.Deleteable(new Date1() { dateTime = DateTime.Now, name = "a" }).ExecuteCommand();
+            db.Deleteable(new Date2() { dateTime = DateTime.Now, name = "a" }).ExecuteCommand();
+            db.DbMaintenance.DropTable("Date1");
+            db.DbMaintenance.DropTable("Date2");
+        }
+    }
+    public class Date2
+    {
+        [SqlSugar.SugarColumn(IsPrimaryKey = true)]
+        public DateTime dateTime { get; set; }
+ 
+        public string name { get; set; }
+    }
+    public class Date1 
+    {
+        [SqlSugar.SugarColumn(IsPrimaryKey =true)]
+        public DateTime dateTime { get; set; }
+        [SqlSugar.SugarColumn(IsPrimaryKey = true)]
+        public string name { get; set; }
+    }
+}