diff --git a/Src/Asp.NetCore2/OceanBaseForOracleTest/Config.cs b/Src/Asp.NetCore2/OceanBaseForOracleTest/Config.cs
new file mode 100644
index 000000000..e5c404d23
--- /dev/null
+++ b/Src/Asp.NetCore2/OceanBaseForOracleTest/Config.cs
@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest
+{
+    /// <summary>
+    /// Setting up the database name does not require you to create the database
+    /// 设置好数据库名不需要你去手动建库
+    /// </summary>
+    public class Config
+    {
+        /// <summary>
+        /// Account have permission to create database
+        /// 用有建库权限的数据库账号
+        /// </summary>
+        public static string ConnectionString = "Driver={OceanBase ODBC 2.0 Driver};Server=172.19.9.9;Port=2883;Database=XIR_TRD;User=XIR_TRD@Xpia2C6G#obtest:1650773680;Password=aaAA11%%;Option=3;";
+        /// <summary>
+        /// Account have permission to create database
+        /// 用有建库权限的数据库账号
+        /// </summary>
+        public static string ConnectionString2 = "Driver={GBase ODBC DRIVER (64-Bit)};Host=localhost;Service=19088;Server=gbase01;Database=testdb;Protocol=onsoctcp;Uid=gbasedbt;Pwd=GBase123;Db_locale=zh_CN.utf8;Client_locale=zh_CN.utf8";
+        /// <summary>
+        /// Account have permission to create database
+        /// 用有建库权限的数据库账号
+        /// </summary>
+        public static string ConnectionString3 = "Driver={GBase ODBC DRIVER (64-Bit)};Host=localhost;Service=19088;Server=gbase01;Database=testdb;Protocol=onsoctcp;Uid=gbasedbt;Pwd=GBase123;Db_locale=zh_CN.utf8;Client_locale=zh_CN.utf8";
+    }
+}
diff --git a/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/AttributeTable.cs b/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/AttributeTable.cs
new file mode 100644
index 000000000..c1a43ad12
--- /dev/null
+++ b/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/AttributeTable.cs
@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Linq;
+using System.Text;
+
+namespace OrmTest
+{
+    [Table("MyAttributeTable")]
+    //[SugarTable("CustomAttributeTable")]
+    public class  AttributeTable
+    {
+
+        [Key]
+        //[SugarColumn(IsPrimaryKey =true)]
+        public string Id { get; set; }
+        public string Name { get; set; }
+    }
+}
diff --git a/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/CarType.cs b/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/CarType.cs
new file mode 100644
index 000000000..00dc12710
--- /dev/null
+++ b/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/CarType.cs
@@ -0,0 +1,7 @@
+namespace OrmTest
+{
+    public class CarType
+    {
+        public bool State { get;  set; }
+    }
+}
\ No newline at end of file
diff --git a/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/Custom.cs b/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/Custom.cs
new file mode 100644
index 000000000..3b8871c57
--- /dev/null
+++ b/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/Custom.cs
@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest
+{
+    public class Custom
+    {
+        public int Id { get; set; }
+        public string Name { get; set; }
+    }
+}
diff --git a/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/EntityMapper.cs b/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/EntityMapper.cs
new file mode 100644
index 000000000..b597012fb
--- /dev/null
+++ b/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/EntityMapper.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using SqlSugar;
+namespace OrmTest
+{
+    [SugarTable("MyEntityMapper")]
+    public class EntityMapper
+    {
+        [SugarColumn(ColumnName ="MyName")]
+        public string Name { get; set; }
+    }
+}
diff --git a/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/Mapper.cs b/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/Mapper.cs
new file mode 100644
index 000000000..8d7991d6c
--- /dev/null
+++ b/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/Mapper.cs
@@ -0,0 +1,54 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest
+{
+    [SugarTable("OrderDetail")]
+    public class OrderItemInfo
+    {
+        [SqlSugar.SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
+        public int ItemId { get; set; }
+        public int OrderId { get; set; }
+        public decimal? Price { get; set; }
+        [SqlSugar.SugarColumn(IsNullable = true)]
+        public DateTime? CreateTime { get; set; }
+        [SugarColumn(IsIgnore = true)]
+        public Order Order { get; set; }
+    }
+    [SugarTable("Order")]
+    public class OrderInfo
+    {
+        [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
+        public int Id { get; set; }
+        public string Name { get; set; }
+        [SugarColumn(IsIgnore = true)]
+        public List<OrderItem> Items { get; set; }
+    }
+    public class ABMapping
+    {
+        [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
+        public int AId { get; set; }
+        public int BId { get; set; }
+        [SugarColumn(IsIgnore = true)]
+        public A A { get; set; }
+        [SugarColumn(IsIgnore = true)]
+        public B B { get; set; }
+
+    }
+    public class A
+    {
+        [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
+        public int Id { get; set; }
+        public string Name { get; set; }
+    }
+    public class B
+    {
+        [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
+        public int Id { get; set; }
+        public string Name { get; set; }
+    }
+}
diff --git a/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/MyCustomAttributeTable.cs b/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/MyCustomAttributeTable.cs
new file mode 100644
index 000000000..11359d062
--- /dev/null
+++ b/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/MyCustomAttributeTable.cs
@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Linq;
+using System.Text;
+
+namespace OrmTest
+{
+    [Table("CustomAttributeTable")]
+    //[SugarTable("CustomAttributeTable")]
+    public class MyCustomAttributeTable
+    {
+
+        [Key]
+        //[SugarColumn(IsPrimaryKey =true)]
+        public string Id { get; set; }
+        public string Name { get; set; }
+    }
+}
diff --git a/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/Order.cs b/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/Order.cs
new file mode 100644
index 000000000..cf6b11839
--- /dev/null
+++ b/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/Order.cs
@@ -0,0 +1,25 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace OrmTest
+{
+    [SugarTable("ORDERTEST")]
+    public class Order
+    {
+        [SugarColumn(IsPrimaryKey = true)]
+        public decimal Id { get; set; }
+
+        public string Name { get; set; }
+        public decimal Price { get; set; }
+        [SugarColumn(IsNullable = true)]
+        public DateTime CreateTime { get; set; }
+        [SugarColumn(IsNullable =true)]
+        public decimal CustomId { get; set; }
+
+        [SugarColumn(IsIgnore = true)]
+        public string Idname { get; set; }
+    }
+}
diff --git a/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/OrderItem.cs b/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/OrderItem.cs
new file mode 100644
index 000000000..ae3262c7c
--- /dev/null
+++ b/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/OrderItem.cs
@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace OrmTest
+{
+    [SqlSugar.SugarTable("OrderDetail")]
+    public class OrderItem
+    {
+        [SqlSugar.SugarColumn(IsPrimaryKey =true, IsIdentity =true)]
+        public int ItemId { get; set; }
+        public int OrderId { get; set; }
+        public decimal? Price { get; set; }
+        [SqlSugar.SugarColumn(IsNullable = true)]
+        public DateTime? CreateTime { get; set; }
+    }
+}
diff --git a/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/TestTree.cs b/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/TestTree.cs
new file mode 100644
index 000000000..b8250828a
--- /dev/null
+++ b/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/TestTree.cs
@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest
+{
+    public class TestTree
+    {
+        [SqlSugar.SugarColumn(ColumnDataType = "hierarchyid")]
+        public string TreeId { get; set; }
+        [SqlSugar.SugarColumn(ColumnDataType = "Geography")]
+        public string GId { get; set; }
+        public string Name { get; set; }
+    }
+}
diff --git a/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/Tree.cs b/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/Tree.cs
new file mode 100644
index 000000000..d2878de64
--- /dev/null
+++ b/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/Tree.cs
@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest
+{
+    public class Tree
+    {
+        [SqlSugar.SugarColumn(IsPrimaryKey =true)]
+        public int Id { get; set; }
+        public string Name { get; set; }
+        public int ParentId { get; set; }
+        [SqlSugar.SugarColumn(IsIgnore = true)]
+        public Tree Parent { get; set; }
+        [SqlSugar.SugarColumn(IsIgnore = true)]
+        public List<Tree> Child { get; set; }
+    }
+}
diff --git a/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/ViewOrder.cs b/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/ViewOrder.cs
new file mode 100644
index 000000000..fcd465747
--- /dev/null
+++ b/Src/Asp.NetCore2/OceanBaseForOracleTest/Models/ViewOrder.cs
@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest
+{
+    public class ViewOrder:Order
+    {
+        public string CustomName { get; set; }
+    }
+}
diff --git a/Src/Asp.NetCore2/OceanBaseForOracleTest/OceanBaseForOracleTest.csproj b/Src/Asp.NetCore2/OceanBaseForOracleTest/OceanBaseForOracleTest.csproj
new file mode 100644
index 000000000..0463e6217
--- /dev/null
+++ b/Src/Asp.NetCore2/OceanBaseForOracleTest/OceanBaseForOracleTest.csproj
@@ -0,0 +1,20 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\SqlSugar.OceanBaseForOracle\SqlSugar.OceanBaseForOracleCore.csproj" />
+    <ProjectReference Include="..\SqlSugar.OdbcCore\SqlSugar.OdbcCore.csproj" />
+    <ProjectReference Include="..\SqlSugar\SqlSugar.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Folder Include="Demo\" />
+  </ItemGroup>
+
+</Project>
diff --git a/Src/Asp.NetCore2/OceanBaseForOracleTest/Program.cs b/Src/Asp.NetCore2/OceanBaseForOracleTest/Program.cs
new file mode 100644
index 000000000..5836285f4
--- /dev/null
+++ b/Src/Asp.NetCore2/OceanBaseForOracleTest/Program.cs
@@ -0,0 +1,54 @@
+using OrmTest;
+using SqlSugar;
+using static Npgsql.Replication.PgOutput.Messages.RelationMessage;
+
+namespace OceanBaseForOracle
+{
+    internal class Program
+    {
+        static void Main(string[] args)
+        {
+            Console.WriteLine("");
+            Console.WriteLine("#### MasterSlave Start ####");
+            SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
+            {
+                ConnectionString = Config.ConnectionString,//Master Connection
+                DbType = DbType.OceanBaseForOracle,
+                InitKeyType = InitKeyType.Attribute,
+                IsAutoCloseConnection = true
+            });
+            db.Aop.OnLogExecuted = (s, p) =>
+            {
+                Console.WriteLine(db.Ado.Connection.ConnectionString);
+            };
+            Console.WriteLine("Master:");
+            db.Insertable(new Order() { Id=109,Name = "abc", CustomId = 1, CreateTime = DateTime.Now }).ExecuteCommand();
+            db.Deleteable<Order>().Where(m => m.Id == 109).ExecuteCommand();
+            db.Updateable<Order>().SetColumns(m => new Order
+            {
+                Name = "我是修改"
+            }).Where(m => m.Id == 2).ExecuteCommand();
+            Console.WriteLine("Slave:");
+            //var s = db.Queryable<Order>().First();
+            //var list = db.Queryable<Order>().Select(m => new Order
+            //{
+            //    Id = m.Id,
+            //    CreateTime = m.CreateTime,
+            //    CustomId = m.CustomId,
+            //    Idname = SqlFunc.Subqueryable<Order>().Where(s => s.Id == 2).Select(s => s.Name),
+            //    Name = m.Name,
+            //    Price = m.Price,
+            //}).ToList();
+            //var grouplist = db.Queryable<Order>().OrderByDescending(m=>m.Id).GroupBy(m=>new {m.Id,m.Name}).SelectMergeTable(m => new Order
+            //{
+            //    Id = m.Id,
+            //    Name = m.Name,
+            //    CreateTime= SqlFunc.AggregateMin(m.CreateTime),
+            //    Price= SqlFunc.AggregateSum(m.Price),
+            //}).OrderBy(m=>m.Id).Where(m=>m.Id==1).ToList();
+            //var orderlist = db.Queryable<Order>().OrderBy(m => new { m.Id, m.Name }).ToList();
+            var pageList = db.Queryable<Order>().OrderBy(m=>m.Id).ToOffsetPage(1, 3);
+            Console.WriteLine("#### MasterSlave End ####");
+        }
+    }
+}
\ No newline at end of file
diff --git a/Src/Asp.NetCore2/SqlSugar.OceanBaseForOracle/OceanBase/OceanBaseForOracleProvider.cs b/Src/Asp.NetCore2/SqlSugar.OceanBaseForOracle/OceanBase/OceanBaseForOracleProvider.cs
index 498961b44..656a2b368 100644
--- a/Src/Asp.NetCore2/SqlSugar.OceanBaseForOracle/OceanBase/OceanBaseForOracleProvider.cs
+++ b/Src/Asp.NetCore2/SqlSugar.OceanBaseForOracle/OceanBase/OceanBaseForOracleProvider.cs
@@ -206,11 +206,10 @@ namespace SqlSugar.OceanBaseForOracle
                 //通过正则匹配，为顺序输出，相同也会重复匹配
                 Regex parametersRegx = new Regex(reg);
                 MatchCollection matches = parametersRegx.Matches(sql);
-                for(int index = 0;index< parameters.Length; index++) 
+                foreach (Match pMatch in matches) 
                 {
-                    Match pMatch = matches[index];
                     SugarParameter mP = parameters.FirstOrDefault(m => m.ParameterName == pMatch.Value);
-                    if (mP != null) 
+                    if (mP != null)
                     {
                         orderParameters.Add(mP);
                     }
diff --git a/Src/Asp.NetCore2/SqlSugar.OceanBaseForOracle/SqlSugar.OceanBaseForOracleCore.csproj b/Src/Asp.NetCore2/SqlSugar.OceanBaseForOracle/SqlSugar.OceanBaseForOracleCore.csproj
index 47fcf47b3..39e2067da 100644
--- a/Src/Asp.NetCore2/SqlSugar.OceanBaseForOracle/SqlSugar.OceanBaseForOracleCore.csproj
+++ b/Src/Asp.NetCore2/SqlSugar.OceanBaseForOracle/SqlSugar.OceanBaseForOracleCore.csproj
@@ -1,9 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
-    <ImplicitUsings>enable</ImplicitUsings>
-    <Nullable>enable</Nullable>
+	  <TargetFramework>netstandard2.1</TargetFramework>
+	  <Nullable>enable</Nullable>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/Src/Asp.NetCore2/SqlSugarCore.sln b/Src/Asp.NetCore2/SqlSugarCore.sln
index d78168a23..1b4186758 100644
--- a/Src/Asp.NetCore2/SqlSugarCore.sln
+++ b/Src/Asp.NetCore2/SqlSugarCore.sln
@@ -62,6 +62,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "HGTest", "HGTest\HGTest.csp
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SqlSugar.OceanBaseForOracleCore", "SqlSugar.OceanBaseForOracle\SqlSugar.OceanBaseForOracleCore.csproj", "{7CEB3DFE-8337-4B83-AE6A-D159D73E3CD3}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "OceanBaseForOracleTest", "OceanBaseForOracleTest\OceanBaseForOracleTest.csproj", "{5E119B71-D17F-42BA-8437-A9F5B941CFD7}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -384,6 +386,18 @@ Global
 		{7CEB3DFE-8337-4B83-AE6A-D159D73E3CD3}.Release|ARM32.Build.0 = Release|Any CPU
 		{7CEB3DFE-8337-4B83-AE6A-D159D73E3CD3}.Release|x86.ActiveCfg = Release|Any CPU
 		{7CEB3DFE-8337-4B83-AE6A-D159D73E3CD3}.Release|x86.Build.0 = Release|Any CPU
+		{5E119B71-D17F-42BA-8437-A9F5B941CFD7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{5E119B71-D17F-42BA-8437-A9F5B941CFD7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{5E119B71-D17F-42BA-8437-A9F5B941CFD7}.Debug|ARM32.ActiveCfg = Debug|Any CPU
+		{5E119B71-D17F-42BA-8437-A9F5B941CFD7}.Debug|ARM32.Build.0 = Debug|Any CPU
+		{5E119B71-D17F-42BA-8437-A9F5B941CFD7}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{5E119B71-D17F-42BA-8437-A9F5B941CFD7}.Debug|x86.Build.0 = Debug|Any CPU
+		{5E119B71-D17F-42BA-8437-A9F5B941CFD7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{5E119B71-D17F-42BA-8437-A9F5B941CFD7}.Release|Any CPU.Build.0 = Release|Any CPU
+		{5E119B71-D17F-42BA-8437-A9F5B941CFD7}.Release|ARM32.ActiveCfg = Release|Any CPU
+		{5E119B71-D17F-42BA-8437-A9F5B941CFD7}.Release|ARM32.Build.0 = Release|Any CPU
+		{5E119B71-D17F-42BA-8437-A9F5B941CFD7}.Release|x86.ActiveCfg = Release|Any CPU
+		{5E119B71-D17F-42BA-8437-A9F5B941CFD7}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE