diff --git a/Src/Asp.Net/OracleTest/UnitTest/UCustom01.cs b/Src/Asp.Net/OracleTest/UnitTest/UCustom01.cs
index 85871b076..109e86681 100644
--- a/Src/Asp.Net/OracleTest/UnitTest/UCustom01.cs
+++ b/Src/Asp.Net/OracleTest/UnitTest/UCustom01.cs
@@ -21,18 +21,16 @@ namespace OrmTest
                   Clob=x+x+x+x+x+x+x+x}
             }).ExecuteCommand();
 
-            db.CodeFirst.InitTables<UnitDate>();
-            db.Insertable(new List<UnitDate>() {
-             new UnitDate(){  date=DateTime.Now,date2=DateTime.Now},
-                       new UnitDate(){  date=DateTime.Now.AddDays(10),date2=DateTime.Now.AddDays(10)}
-            }).ExecuteCommand();
-            var list=db.Queryable<UnitDate>().ToList();
+            db.CodeFirst.InitTables<UnitDate1>();
+            db.Insertable(new UnitDate1() { date1 = DateTime.Now.AddDays(10), date2 = DateTime.Now.AddDays(10) }
+            ).ExecuteCommand();
+            var list=db.Queryable<UnitDate1>().ToList();
         }
 
-        public class UnitDate 
+        public class UnitDate1
         {
             [SugarColumn(ColumnDataType = "date")]
-            public DateTime date { get; set; }
+            public DateTime date1 { get; set; }
             [SugarColumn(ColumnDataType = "timestamp")]
             public DateTime date2 { get; set; }
         }
diff --git a/Src/Asp.NetCore2/OracleTest/UnitTest/Main.cs b/Src/Asp.NetCore2/OracleTest/UnitTest/Main.cs
index 0e75bd471..eae5dd7c6 100644
--- a/Src/Asp.NetCore2/OracleTest/UnitTest/Main.cs
+++ b/Src/Asp.NetCore2/OracleTest/UnitTest/Main.cs
@@ -34,6 +34,7 @@ namespace OrmTest
         }
         public static void Init()
         {
+            UCustom01.Init();
             Bulk();
             CodeFirst();
             Updateable();
diff --git a/Src/Asp.NetCore2/OracleTest/UnitTest/UCustom01.cs b/Src/Asp.NetCore2/OracleTest/UnitTest/UCustom01.cs
new file mode 100644
index 000000000..70e1a93b8
--- /dev/null
+++ b/Src/Asp.NetCore2/OracleTest/UnitTest/UCustom01.cs
@@ -0,0 +1,48 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest
+{
+    public class UCustom01 
+    {
+        public static void Init()
+        {
+            var db = NewUnitTest.Db;
+            var x = "aaaaaaaaadssadsssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssaaa" +
+              "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
+            db.CodeFirst.InitTables<UnitClob>();
+            db.Insertable(new List<UnitClob>() {
+             new UnitClob(){  Clob="aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"},
+              new UnitClob(){ 
+                  Clob=x+x+x+x+x+x+x+x}
+            }).ExecuteCommand();
+
+            db.CodeFirst.InitTables<UnitDate>();
+            db.Insertable(new List<UnitDate>() {
+             new UnitDate(){  date=DateTime.Now,date2=DateTime.Now} 
+            }).ExecuteCommand();
+            var list=db.Queryable<UnitDate>().ToList();
+        }
+
+        public class UnitDate 
+        {
+            [SugarColumn(ColumnDataType = "date")]
+            public DateTime date1 { get; set; }
+            [SugarColumn(ColumnDataType = "timestamp")]
+            public DateTime date2 { get; set; }
+        }
+        public class UnitClob 
+        {
+            [SugarColumn(IsPrimaryKey =true)]
+            public Guid Id { get; set; }
+
+            [SugarColumn(ColumnDataType ="clob", IsNullable =true)]
+            public string Clob { get; set; }
+        }
+     
+    }
+}