diff --git a/Src/Asp.Net/AccessTest/Demo/Demo0_SqlSugarClient.cs b/Src/Asp.Net/AccessTest/Demo/Demo0_SqlSugarClient.cs
index b1db9ed6a..170435311 100644
--- a/Src/Asp.Net/AccessTest/Demo/Demo0_SqlSugarClient.cs
+++ b/Src/Asp.Net/AccessTest/Demo/Demo0_SqlSugarClient.cs
@@ -28,7 +28,7 @@ namespace OrmTest
             SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
             {
                 ConnectionString = Config.ConnectionString,//Master Connection
-                DbType = DbType.SqlServer,
+                DbType = DbType.Access,
                 InitKeyType = InitKeyType.Attribute,
                 IsAutoCloseConnection = true,
                 SlaveConnectionConfigs = new List<SlaveConnectionConfig>() {
@@ -53,7 +53,7 @@ namespace OrmTest
             Console.WriteLine("#### SqlSugarClient Start ####");
             SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
             {
-                DbType = DbType.SqlServer,
+                DbType = DbType.Access,
                 ConnectionString = Config.ConnectionString,
                 InitKeyType = InitKeyType.Attribute,
                 IsAutoCloseConnection = true,
@@ -146,7 +146,7 @@ namespace OrmTest
             SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
             {
                 ConnectionString = Config.ConnectionString,
-                DbType = DbType.SqlServer,
+                DbType = DbType.Access,
                 IsAutoCloseConnection = true,
                 InitKeyType = InitKeyType.Attribute,
                 ConfigureExternalServices = new ConfigureExternalServices()
@@ -209,7 +209,7 @@ namespace OrmTest
             new ConnectionConfig()
             {
                 ConfigId = 1,
-                DbType = DbType.SqlServer,
+                DbType = DbType.Access,
                 ConnectionString = Config.ConnectionString,
                 InitKeyType = InitKeyType.Attribute,
                 IsAutoCloseConnection = true,
@@ -226,8 +226,8 @@ namespace OrmTest
             Console.WriteLine("#### Distributed TransactionExample Start ####");
             SqlSugarClient db = new SqlSugarClient(new List<ConnectionConfig>()
             {
-                new ConnectionConfig(){ ConfigId="1", DbType=DbType.SqlServer, ConnectionString=Config.ConnectionString,InitKeyType=InitKeyType.Attribute,IsAutoCloseConnection=true },
-                new ConnectionConfig(){ ConfigId="2", DbType=DbType.SqlServer, ConnectionString=Config.ConnectionString2 ,InitKeyType=InitKeyType.Attribute ,IsAutoCloseConnection=true}
+                new ConnectionConfig(){ ConfigId="1", DbType=DbType.Access, ConnectionString=Config.ConnectionString,InitKeyType=InitKeyType.Attribute,IsAutoCloseConnection=true },
+                new ConnectionConfig(){ ConfigId="2", DbType=DbType.Access, ConnectionString=Config.ConnectionString2 ,InitKeyType=InitKeyType.Attribute ,IsAutoCloseConnection=true}
             });
 
             //use db1
@@ -386,7 +386,7 @@ namespace OrmTest
             Db = new SqlSugarClient(new ConnectionConfig()
             {
                 ConnectionString = Config.ConnectionString,
-                DbType = DbType.SqlServer,
+                DbType = DbType.Access,
                 IsAutoCloseConnection = true,
                 InitKeyType = InitKeyType.Attribute,
                 AopEvents = new AopEvents()
@@ -420,7 +420,7 @@ namespace OrmTest
             Db = new SqlSugarClient(new ConnectionConfig()
             {
                 ConnectionString = Config.ConnectionString,
-                DbType = DbType.SqlServer,
+                DbType = DbType.Access,
                 IsAutoCloseConnection = true,
                 InitKeyType = InitKeyType.Attribute,
                 AopEvents = new AopEvents()
diff --git a/Src/Asp.Net/AccessTest/Demo/Demo1_Queryable.cs b/Src/Asp.Net/AccessTest/Demo/Demo1_Queryable.cs
index a6f28aa91..a4a9df76c 100644
--- a/Src/Asp.Net/AccessTest/Demo/Demo1_Queryable.cs
+++ b/Src/Asp.Net/AccessTest/Demo/Demo1_Queryable.cs
@@ -553,7 +553,7 @@ namespace OrmTest
         {
             return new SqlSugarClient(new ConnectionConfig()
             {
-                DbType = SqlSugar.DbType.SqlServer,
+                DbType = SqlSugar.DbType.Access,
                 ConnectionString = Config.ConnectionString,
                 InitKeyType = InitKeyType.Attribute,
                 IsAutoCloseConnection = true,
diff --git a/Src/Asp.Net/AccessTest/Demo/Demo2_Updateable.cs b/Src/Asp.Net/AccessTest/Demo/Demo2_Updateable.cs
index 9758199c6..d0a3b849d 100644
--- a/Src/Asp.Net/AccessTest/Demo/Demo2_Updateable.cs
+++ b/Src/Asp.Net/AccessTest/Demo/Demo2_Updateable.cs
@@ -16,7 +16,7 @@ namespace OrmTest
 
             SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
             {
-                DbType = DbType.SqlServer,
+                DbType = DbType.Access,
                 ConnectionString = Config.ConnectionString,
                 InitKeyType = InitKeyType.Attribute,
                 IsAutoCloseConnection = true,
diff --git a/Src/Asp.Net/AccessTest/Demo/Demo3_Insertable.cs b/Src/Asp.Net/AccessTest/Demo/Demo3_Insertable.cs
index 2121047a8..ea0a25bb9 100644
--- a/Src/Asp.Net/AccessTest/Demo/Demo3_Insertable.cs
+++ b/Src/Asp.Net/AccessTest/Demo/Demo3_Insertable.cs
@@ -16,7 +16,7 @@ namespace OrmTest
 
             SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
             {
-                DbType = DbType.SqlServer,
+                DbType = DbType.Access,
                 ConnectionString = Config.ConnectionString,
                 InitKeyType = InitKeyType.Attribute,
                 IsAutoCloseConnection = true,
diff --git a/Src/Asp.Net/AccessTest/Demo/Demo4_Deleteable.cs b/Src/Asp.Net/AccessTest/Demo/Demo4_Deleteable.cs
index 9736890b9..d4142a2fb 100644
--- a/Src/Asp.Net/AccessTest/Demo/Demo4_Deleteable.cs
+++ b/Src/Asp.Net/AccessTest/Demo/Demo4_Deleteable.cs
@@ -16,7 +16,7 @@ namespace OrmTest
 
             SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
             {
-                DbType = DbType.SqlServer,
+                DbType = DbType.Access,
                 ConnectionString = Config.ConnectionString,
                 InitKeyType = InitKeyType.Attribute,
                 IsAutoCloseConnection = true,
diff --git a/Src/Asp.Net/AccessTest/Demo/Demo5_SqlQueryable.cs b/Src/Asp.Net/AccessTest/Demo/Demo5_SqlQueryable.cs
index eb1a4bc6f..c432b7d83 100644
--- a/Src/Asp.Net/AccessTest/Demo/Demo5_SqlQueryable.cs
+++ b/Src/Asp.Net/AccessTest/Demo/Demo5_SqlQueryable.cs
@@ -15,7 +15,7 @@ namespace OrmTest
             Console.WriteLine("#### SqlQueryable Start ####");
             SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
             {
-                DbType = DbType.SqlServer,
+                DbType = DbType.Access,
                 ConnectionString = Config.ConnectionString,
                 InitKeyType = InitKeyType.Attribute,
                 IsAutoCloseConnection = true
diff --git a/Src/Asp.Net/AccessTest/Demo/Demo6_Queue.cs b/Src/Asp.Net/AccessTest/Demo/Demo6_Queue.cs
index cbd4675c4..be65207c0 100644
--- a/Src/Asp.Net/AccessTest/Demo/Demo6_Queue.cs
+++ b/Src/Asp.Net/AccessTest/Demo/Demo6_Queue.cs
@@ -16,7 +16,7 @@ namespace OrmTest
 
             SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
             {
-                DbType = DbType.SqlServer,
+                DbType = DbType.Access,
                 ConnectionString = Config.ConnectionString,
                 InitKeyType = InitKeyType.Attribute,
                 IsAutoCloseConnection = true,
diff --git a/Src/Asp.Net/AccessTest/Demo/Demo7_Ado.cs b/Src/Asp.Net/AccessTest/Demo/Demo7_Ado.cs
index 88b7b678a..510f6530b 100644
--- a/Src/Asp.Net/AccessTest/Demo/Demo7_Ado.cs
+++ b/Src/Asp.Net/AccessTest/Demo/Demo7_Ado.cs
@@ -16,7 +16,7 @@ namespace OrmTest
 
             SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
             {
-                DbType = DbType.SqlServer,
+                DbType = DbType.Access,
                 ConnectionString = Config.ConnectionString,
                 InitKeyType = InitKeyType.Attribute,
                 IsAutoCloseConnection = true,
diff --git a/Src/Asp.Net/AccessTest/Demo/Demo8_Saveable.cs b/Src/Asp.Net/AccessTest/Demo/Demo8_Saveable.cs
index 82c44f685..1e9d89709 100644
--- a/Src/Asp.Net/AccessTest/Demo/Demo8_Saveable.cs
+++ b/Src/Asp.Net/AccessTest/Demo/Demo8_Saveable.cs
@@ -16,7 +16,7 @@ namespace OrmTest
 
             SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
             {
-                DbType = DbType.SqlServer,
+                DbType = DbType.Access,
                 ConnectionString = Config.ConnectionString,
                 InitKeyType = InitKeyType.Attribute,
                 IsAutoCloseConnection = true,
diff --git a/Src/Asp.Net/AccessTest/Demo/Demo9_EntityMain.cs b/Src/Asp.Net/AccessTest/Demo/Demo9_EntityMain.cs
index be795b098..1526f3a8e 100644
--- a/Src/Asp.Net/AccessTest/Demo/Demo9_EntityMain.cs
+++ b/Src/Asp.Net/AccessTest/Demo/Demo9_EntityMain.cs
@@ -16,7 +16,7 @@ namespace OrmTest
 
             SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
             {
-                DbType = DbType.SqlServer,
+                DbType = DbType.Access,
                 ConnectionString = Config.ConnectionString,
                 InitKeyType = InitKeyType.Attribute,
                 IsAutoCloseConnection = true,
diff --git a/Src/Asp.Net/AccessTest/Demo/DemoA_DbMain.cs b/Src/Asp.Net/AccessTest/Demo/DemoA_DbMain.cs
index 206cd6507..2fe9bf2d4 100644
--- a/Src/Asp.Net/AccessTest/Demo/DemoA_DbMain.cs
+++ b/Src/Asp.Net/AccessTest/Demo/DemoA_DbMain.cs
@@ -16,7 +16,7 @@ namespace OrmTest
 
             SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
             {
-                DbType = DbType.SqlServer,
+                DbType = DbType.Access,
                 ConnectionString = Config.ConnectionString,
                 InitKeyType = InitKeyType.Attribute,
                 IsAutoCloseConnection = true,
diff --git a/Src/Asp.Net/AccessTest/Demo/DemoB_Aop.cs b/Src/Asp.Net/AccessTest/Demo/DemoB_Aop.cs
index dfd332c46..ffb1d616e 100644
--- a/Src/Asp.Net/AccessTest/Demo/DemoB_Aop.cs
+++ b/Src/Asp.Net/AccessTest/Demo/DemoB_Aop.cs
@@ -16,7 +16,7 @@ namespace OrmTest
 
             SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
             {
-                DbType = DbType.SqlServer,
+                DbType = DbType.Access,
                 ConnectionString = Config.ConnectionString,
                 InitKeyType = InitKeyType.Attribute,
                 IsAutoCloseConnection = true
diff --git a/Src/Asp.Net/AccessTest/Demo/DemoD_DbFirst.cs b/Src/Asp.Net/AccessTest/Demo/DemoD_DbFirst.cs
index db57e0938..06401ddef 100644
--- a/Src/Asp.Net/AccessTest/Demo/DemoD_DbFirst.cs
+++ b/Src/Asp.Net/AccessTest/Demo/DemoD_DbFirst.cs
@@ -14,7 +14,7 @@ namespace OrmTest
             Console.WriteLine("#### DbFirst Start ####");
             SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
             {
-                DbType = DbType.SqlServer,
+                DbType = DbType.Access,
                 ConnectionString = Config.ConnectionString,
                 InitKeyType = InitKeyType.Attribute,
                 IsAutoCloseConnection = true
diff --git a/Src/Asp.Net/AccessTest/Demo/DemoE_CodeFirst.cs b/Src/Asp.Net/AccessTest/Demo/DemoE_CodeFirst.cs
index 8692517e1..dea00ef80 100644
--- a/Src/Asp.Net/AccessTest/Demo/DemoE_CodeFirst.cs
+++ b/Src/Asp.Net/AccessTest/Demo/DemoE_CodeFirst.cs
@@ -14,7 +14,7 @@ namespace OrmTest
             Console.WriteLine("#### CodeFirst Start ####");
             SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
             {
-                DbType = DbType.SqlServer,
+                DbType = DbType.Access,
                 ConnectionString = Config.ConnectionString3,
                 InitKeyType = InitKeyType.Attribute,
                 IsAutoCloseConnection = true
diff --git a/Src/Asp.Net/AccessTest/Demo/DemoF_Utilities.cs b/Src/Asp.Net/AccessTest/Demo/DemoF_Utilities.cs
index 7db24c350..5b58191e1 100644
--- a/Src/Asp.Net/AccessTest/Demo/DemoF_Utilities.cs
+++ b/Src/Asp.Net/AccessTest/Demo/DemoF_Utilities.cs
@@ -16,7 +16,7 @@ namespace OrmTest
 
             SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
             {
-                DbType = DbType.SqlServer,
+                DbType = DbType.Access,
                 ConnectionString = Config.ConnectionString,
                 InitKeyType = InitKeyType.Attribute,
                 IsAutoCloseConnection = true,
diff --git a/Src/Asp.Net/AccessTest/Demo/DemoG_SimpleClient.cs b/Src/Asp.Net/AccessTest/Demo/DemoG_SimpleClient.cs
index dc278f68b..584e7afbc 100644
--- a/Src/Asp.Net/AccessTest/Demo/DemoG_SimpleClient.cs
+++ b/Src/Asp.Net/AccessTest/Demo/DemoG_SimpleClient.cs
@@ -36,7 +36,7 @@ namespace OrmTest
                 {
                     var db = new SqlSugarClient(new ConnectionConfig()
                     {
-                        DbType = SqlSugar.DbType.SqlServer,
+                        DbType = SqlSugar.DbType.Access,
                         InitKeyType = InitKeyType.Attribute,
                         IsAutoCloseConnection = true,
                         ConnectionString = Config.ConnectionString
diff --git a/Src/Asp.Net/AccessTest/Demo/DemoH_Tenant.cs b/Src/Asp.Net/AccessTest/Demo/DemoH_Tenant.cs
index 16fdd3826..9d79fe887 100644
--- a/Src/Asp.Net/AccessTest/Demo/DemoH_Tenant.cs
+++ b/Src/Asp.Net/AccessTest/Demo/DemoH_Tenant.cs
@@ -34,14 +34,14 @@ namespace OrmTest
                                                         new ConnectionConfig()
                                                     {
                                                         ConfigId="1",
-                                                        DbType = SqlSugar.DbType.SqlServer,
+                                                        DbType = SqlSugar.DbType.Access,
                                                         IsAutoCloseConnection = true,
                                                         ConnectionString = Config.ConnectionString
                                                     },
                                                         new ConnectionConfig()
                                                     {
                                                         ConfigId="2",
-                                                        DbType = SqlSugar.DbType.SqlServer,
+                                                        DbType = SqlSugar.DbType.Access,
                                                         IsAutoCloseConnection = true,
                                                         ConnectionString = Config.ConnectionString2
                                                     }
diff --git a/Src/Asp.Net/AccessTest/Demo/DemoJ_Report.cs b/Src/Asp.Net/AccessTest/Demo/DemoJ_Report.cs
index 2089b0545..f9db75423 100644
--- a/Src/Asp.Net/AccessTest/Demo/DemoJ_Report.cs
+++ b/Src/Asp.Net/AccessTest/Demo/DemoJ_Report.cs
@@ -16,7 +16,7 @@ namespace OrmTest
 
             SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
             {
-                DbType = DbType.SqlServer,
+                DbType = DbType.Access,
                 ConnectionString = Config.ConnectionString,
                 InitKeyType = InitKeyType.Attribute,
                 IsAutoCloseConnection = true,
diff --git a/Src/Asp.Net/AccessTest/Demo/DemoL_Snowflake.cs b/Src/Asp.Net/AccessTest/Demo/DemoL_Snowflake.cs
index 7111083d9..1b3a8d351 100644
--- a/Src/Asp.Net/AccessTest/Demo/DemoL_Snowflake.cs
+++ b/Src/Asp.Net/AccessTest/Demo/DemoL_Snowflake.cs
@@ -16,7 +16,7 @@ namespace OrmTest
 
             SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
             {
-                DbType = DbType.SqlServer,
+                DbType = DbType.Access,
                 ConnectionString = Config.ConnectionString,
                 InitKeyType = InitKeyType.Attribute,
                 IsAutoCloseConnection = true,
diff --git a/Src/Asp.Net/AccessTest/Demo/DemoM_UnitOfWork.cs b/Src/Asp.Net/AccessTest/Demo/DemoM_UnitOfWork.cs
index 2c8006cc1..a85d58a27 100644
--- a/Src/Asp.Net/AccessTest/Demo/DemoM_UnitOfWork.cs
+++ b/Src/Asp.Net/AccessTest/Demo/DemoM_UnitOfWork.cs
@@ -33,7 +33,7 @@ namespace OrmTest
         {
             public static SqlSugarScope Db = new SqlSugarScope(new ConnectionConfig()
             {
-                DbType = SqlSugar.DbType.SqlServer,
+                DbType = SqlSugar.DbType.Access,
                 ConnectionString = Config.ConnectionString,
                 IsAutoCloseConnection = true
             }, db => {
diff --git a/Src/Asp.Net/AccessTest/Demo/DemoN_SplitTable.cs b/Src/Asp.Net/AccessTest/Demo/DemoN_SplitTable.cs
index 05d9c356c..079d28149 100644
--- a/Src/Asp.Net/AccessTest/Demo/DemoN_SplitTable.cs
+++ b/Src/Asp.Net/AccessTest/Demo/DemoN_SplitTable.cs
@@ -15,7 +15,7 @@ namespace OrmTest
             Console.WriteLine("#### CodeFirst Start ####");
             SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
             {
-                DbType = DbType.SqlServer,
+                DbType = DbType.Access,
                 ConnectionString = Config.ConnectionString,
                 InitKeyType = InitKeyType.Attribute,
                 IsAutoCloseConnection = true
diff --git a/Src/Asp.Net/AccessTest/Demo/Democ_GobalFilter.cs b/Src/Asp.Net/AccessTest/Demo/Democ_GobalFilter.cs
index b66ae23f0..c7cba4563 100644
--- a/Src/Asp.Net/AccessTest/Demo/Democ_GobalFilter.cs
+++ b/Src/Asp.Net/AccessTest/Demo/Democ_GobalFilter.cs
@@ -95,7 +95,7 @@ namespace OrmTest
 
         public static SqlSugarClient GetInstance()
         {
-            SqlSugarClient db = new SqlSugarClient(new ConnectionConfig() { DbType = DbType.SqlServer, ConnectionString = Config.ConnectionString, IsAutoCloseConnection = true });
+            SqlSugarClient db = new SqlSugarClient(new ConnectionConfig() { DbType = DbType.Access, ConnectionString = Config.ConnectionString, IsAutoCloseConnection = true });
             db.Aop.OnLogExecuted = (sql, p) =>
             {
                 Console.WriteLine(sql);