diff --git a/Src/Asp.Net/OracleTest/Demo/DemoN_SplitTable.cs b/Src/Asp.Net/OracleTest/Demo/DemoN_SplitTable.cs
new file mode 100644
index 000000000..4c294b3a5
--- /dev/null
+++ b/Src/Asp.Net/OracleTest/Demo/DemoN_SplitTable.cs
@@ -0,0 +1,100 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest 
+{
+    public class DemoN_SplitTable
+    {
+        public static void Init()
+        {
+            Console.WriteLine("");
+            Console.WriteLine("#### CodeFirst Start ####");
+            SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
+            {
+                DbType = DbType.Oracle,
+                ConnectionString = Config.ConnectionString,
+                InitKeyType = InitKeyType.Attribute,
+                IsAutoCloseConnection = true
+            });
+            db.Aop.OnLogExecuted = (s, p) =>
+            {
+                Console.WriteLine(s);
+                Console.WriteLine(string.Join(",", p?.Select(it => it.ParameterName + ":" + it.Value)));
+            };
+
+            //初始化分表
+            db.CodeFirst.SplitTables().InitTables<OrderSpliteTest>();
+
+            Console.WriteLine();
+
+            ////根据最近3个表进行查询
+            var list = db.Queryable<OrderSpliteTest>()
+                .SplitTable(DateTime.Now.Date.AddYears(-1), DateTime.Now)
+                .ToList();
+
+            Console.WriteLine();
+
+            //根据时间选出的表进行查询
+            var list2 = db.Queryable<OrderSpliteTest>().SplitTable(tabs => tabs.Where(it=> it.Date>=DateTime.Now.AddYears(-2))).ToList();
+
+            Console.WriteLine();
+
+            //删除数据只在最近3张表执行操作
+            var x = db.Deleteable<OrderSpliteTest>().Where(it=>it.Pk==Guid.NewGuid()).SplitTable(tabs => tabs.Take(3)).ExecuteCommand();
+           
+            Console.WriteLine();
+
+            var tableName = db.SplitHelper<OrderSpliteTest>().GetTableName(DateTime.Now.AddDays(0));
+
+            var listNull= db.Queryable<OrderSpliteTest>().SplitTable(ta => ta.InTableNames(tableName)).ToList();
+
+            var tableName2 = db.SplitHelper(new OrderSpliteTest() {  Time=DateTime.Now}).GetTableNames();
+            var tableName3 = db.SplitHelper(new List<OrderSpliteTest> {
+              new OrderSpliteTest() { Time = DateTime.Now },
+              new OrderSpliteTest() { Time = DateTime.Now },
+              new OrderSpliteTest() { Time = DateTime.Now.AddMonths(-10) }
+            }).GetTableNames();
+            var x2 = db.Updateable<OrderSpliteTest>()
+                .SetColumns(it=>it.Name=="a")
+                .Where(it => it.Pk == Guid.NewGuid())
+                .SplitTable(tabs => tabs.InTableNames(tableName2))
+                .ExecuteCommand();
+
+            Console.WriteLine();
+
+            //按日分表 
+            var x3 = db.Insertable(new OrderSpliteTest() { Name="A" }).SplitTable().ExecuteCommand();
+
+            Console.WriteLine();
+            ////强制分表类型
+            var x4 = db.Insertable(new OrderSpliteTest() { Name = "A" ,Time=DateTime.Now.AddDays(-1) }).SplitTable().ExecuteCommand();
+
+            //分表支持BulkCopy
+            //db.Fastest<OrderSpliteTest>().SplitTable().BulkCopy(new List<OrderSpliteTest> {
+            //  new OrderSpliteTest() { Pk=Guid.NewGuid(),Name ="a", Time = DateTime.Now },
+            //  new OrderSpliteTest() {Pk=Guid.NewGuid(),Name ="a", Time = DateTime.Now },
+            //  new OrderSpliteTest() {Pk=Guid.NewGuid(),Name ="a", Time = DateTime.Now.AddMonths(-10) }
+            //});
+
+            //db.Fastest<OrderSpliteTest>().SplitTable().BulkUpdate(db.Queryable<OrderSpliteTest>().SplitTable(it=>it).ToList());
+            //db.Fastest<OrderSpliteTest>().SplitTable().BulkUpdate(db.Queryable<OrderSpliteTest>().SplitTable(it => it).ToList(),new string[] { "pk"},new string[] { "name"});
+            Console.WriteLine("#### CodeFirst end ####");
+        }
+
+        [SplitTable(SplitType.Day)]
+        [SqlSugar.SugarTable("Taxxx0101_{year}{month}{day}")]
+        public class OrderSpliteTest 
+        {
+            [SugarColumn(IsPrimaryKey =true)]
+            public  Guid  Pk{ get; set; }
+            public string Name { get; set; }
+            [SugarColumn(IsNullable =true)]
+            [SplitField]
+            public DateTime Time { get; set; }
+        }
+    }
+}
diff --git a/Src/Asp.Net/OracleTest/OracleTest.csproj b/Src/Asp.Net/OracleTest/OracleTest.csproj
index 8e2b0d6b9..6afec8c6e 100644
--- a/Src/Asp.Net/OracleTest/OracleTest.csproj
+++ b/Src/Asp.Net/OracleTest/OracleTest.csproj
@@ -65,6 +65,7 @@
     <Compile Include="Demo\DemoF_Utilities.cs" />
     <Compile Include="Demo\DemoG_SimpleClient.cs" />
     <Compile Include="Demo\DemoJ_Report.cs" />
+    <Compile Include="Demo\DemoN_SplitTable.cs" />
     <Compile Include="Models\AttributeTable.cs" />
     <Compile Include="Models\CarType.cs" />
     <Compile Include="Models\Custom.cs" />
diff --git a/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs b/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
index b47251ff1..9ebefee4c 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
@@ -897,7 +897,8 @@ namespace SqlSugar
         {
             var splitColumn = this.EntityInfo.Columns.FirstOrDefault(it => it.PropertyInfo.GetCustomAttribute<SplitFieldAttribute>() != null);
             var columnName = this.SqlBuilder.GetTranslationColumnName(splitColumn.DbColumnName);
-            return this.Where($" {columnName}>=@spBeginTime AND {columnName}<= @spEndTime",new { spBeginTime = beginTime , spEndTime = endTime}).SplitTable(tas => {
+            var sqlParameterKeyWord = this.SqlBuilder.SqlParameterKeyWord;
+            return this.Where($" {columnName}>={sqlParameterKeyWord}spBeginTime AND {columnName}<= {sqlParameterKeyWord}spEndTime",new { spBeginTime = beginTime , spEndTime = endTime}).SplitTable(tas => {
 
                 var dateNull = DateTime.MinValue;
                 var min = tas.Where(it => it.Date <= beginTime.Date).Select(it=>it.Date).OrderByDescending(it=>it.Date).FirstOrDefault();