diff --git a/Src/Asp.Net/SqlSugar/Realization/Sqlite/DbType.cs b/Src/Asp.Net/SqlSugar/Entities/DbType.cs
similarity index 67%
rename from Src/Asp.Net/SqlSugar/Realization/Sqlite/DbType.cs
rename to Src/Asp.Net/SqlSugar/Entities/DbType.cs
index cecb3c341..3e31c1ae5 100644
--- a/Src/Asp.Net/SqlSugar/Realization/Sqlite/DbType.cs
+++ b/Src/Asp.Net/SqlSugar/Entities/DbType.cs
@@ -7,6 +7,8 @@ namespace SqlSugar
 {
     public partial class DbType
     {
+        public const string MySql = "MySql";
+        public const string SqlServer = "SqlServer";
         public const string Sqlite = "Sqlite";
     }
 }
diff --git a/Src/Asp.Net/SqlSugar/Realization/MySql/DbType.cs b/Src/Asp.Net/SqlSugar/Realization/MySql/DbType.cs
deleted file mode 100644
index c9165e155..000000000
--- a/Src/Asp.Net/SqlSugar/Realization/MySql/DbType.cs
+++ /dev/null
@@ -1,12 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-
-namespace SqlSugar
-{
-    public partial class DbType
-    {
-        public const string MySql = "MySql";
-    }
-}
diff --git a/Src/Asp.Net/SqlSugar/Realization/SqlServer/DbType.cs b/Src/Asp.Net/SqlSugar/Realization/SqlServer/DbType.cs
deleted file mode 100644
index f19d28ebd..000000000
--- a/Src/Asp.Net/SqlSugar/Realization/SqlServer/DbType.cs
+++ /dev/null
@@ -1,7 +0,0 @@
-namespace SqlSugar
-{
-    public partial class DbType
-    {
-        public const string SqlServer = "SqlServer";
-    }
-}
diff --git a/Src/Asp.Net/SqlSugar/SqlSugar.csproj b/Src/Asp.Net/SqlSugar/SqlSugar.csproj
index 85991f1f4..3867a4af0 100644
--- a/Src/Asp.Net/SqlSugar/SqlSugar.csproj
+++ b/Src/Asp.Net/SqlSugar/SqlSugar.csproj
@@ -75,7 +75,6 @@
     <Compile Include="Realization\Sqlite\DbBind\SqliteDbBind.cs" />
     <Compile Include="Realization\Sqlite\DbFirst\SqliteDbFirst.cs" />
     <Compile Include="Realization\Sqlite\DbMaintenance\SqliteDbMaintenance.cs" />
-    <Compile Include="Realization\Sqlite\DbType.cs" />
     <Compile Include="Realization\Sqlite\SqliteProvider.cs" />
     <Compile Include="Realization\Sqlite\Queryable\SqliteQueryable.cs" />
     <Compile Include="Realization\Sqlite\SqlBuilder\SqliteBuilder.cs" />
@@ -96,7 +95,7 @@
     <Compile Include="Entities\DbResult.cs" />
     <Compile Include="Enum\InitKeyType.cs" />
     <Compile Include="Interface\IFilter.cs" />
-    <Compile Include="Realization\MySql\DbType.cs" />
+    <Compile Include="Entities\DbType.cs" />
     <Compile Include="Realization\MySql\DbBind\MySqlDbBind.cs" />
     <Compile Include="Realization\MySql\SqlBuilder\MySqlBuilder.cs" />
     <Compile Include="Realization\MySql\SqlBuilder\MySqlDeleteBuilder.cs" />
@@ -131,7 +130,6 @@
     <Compile Include="Common\RewritableMethods.cs" />
     <Compile Include="Realization\SqlServer\CodeFirst\SqlServerCodeFirst.cs" />
     <Compile Include="Realization\SqlServer\SqlBuilder\SqlServerUpdateBuilder.cs" />
-    <Compile Include="Realization\SqlServer\DbType.cs" />
     <Compile Include="Realization\SqlServer\DbBind\SqlServerDbBind.cs" />
     <Compile Include="Realization\SqlServer\DbFirst\SqlServerDbFirst.cs" />
     <Compile Include="Realization\SqlServer\SqlBuilder\SqlServerBuilder.cs" />