diff --git a/WalkingTec.Mvvm/WalkingTec.Mvvm.Core/DataContext.cs b/WalkingTec.Mvvm/WalkingTec.Mvvm.Core/DataContext.cs
index cc7cc9c..19eb933 100644
--- a/WalkingTec.Mvvm/WalkingTec.Mvvm.Core/DataContext.cs
+++ b/WalkingTec.Mvvm/WalkingTec.Mvvm.Core/DataContext.cs
@@ -1,3 +1,4 @@
+using Dm;
 using Microsoft.Data.SqlClient;
 using Microsoft.Data.Sqlite;
 using Microsoft.EntityFrameworkCore;
@@ -6,9 +7,6 @@ using Microsoft.EntityFrameworkCore.Metadata;
 using Microsoft.EntityFrameworkCore.Metadata.Builders;
 using Microsoft.EntityFrameworkCore.Storage;
 using Microsoft.Extensions.Logging;
-using Microsoft.Extensions.Logging.Console;
-using Microsoft.Extensions.Logging.Debug;
-using Microsoft.Extensions.Options;
 using MySqlConnector;
 using Npgsql;
 using System;
@@ -649,6 +647,9 @@ namespace WalkingTec.Mvvm.Core
                         }
                     });
                     break;
+                case DBTypeEnum.DaMeng:
+                    optionsBuilder.UseDm(CSName);
+                    break;
                 default:
                     break;
             }
@@ -787,6 +788,9 @@ namespace WalkingTec.Mvvm.Core
                 case DBTypeEnum.Oracle:
                     //rv = new OracleParameter(name, value) { Direction = dir };
                     break;
+                case DBTypeEnum.DaMeng:
+                    rv = new DmParameter(name, value) { Direction = dir };
+                    break;
             }
             return rv;
         }
diff --git a/WalkingTec.Mvvm/WalkingTec.Mvvm.Core/Enums.cs b/WalkingTec.Mvvm/WalkingTec.Mvvm.Core/Enums.cs
index d3ba0a4..81efd12 100644
--- a/WalkingTec.Mvvm/WalkingTec.Mvvm.Core/Enums.cs
+++ b/WalkingTec.Mvvm/WalkingTec.Mvvm.Core/Enums.cs
@@ -28,7 +28,7 @@ namespace WalkingTec.Mvvm.Core
     /// <summary>
     /// 数据库类型
     /// </summary>
-    public enum DBTypeEnum { SqlServer, MySql, PgSql, Memory, SQLite, Oracle }
+    public enum DBTypeEnum { SqlServer, MySql, PgSql, Memory, SQLite, Oracle, DaMeng }
 
     /// <summary>
     /// 页面显示方式
diff --git a/WalkingTec.Mvvm/WalkingTec.Mvvm.Core/Lib/DmProvider.dll b/WalkingTec.Mvvm/WalkingTec.Mvvm.Core/Lib/DmProvider.dll
new file mode 100644
index 0000000..0330d76
Binary files /dev/null and b/WalkingTec.Mvvm/WalkingTec.Mvvm.Core/Lib/DmProvider.dll differ
diff --git a/WalkingTec.Mvvm/WalkingTec.Mvvm.Core/Lib/Microsoft.EntityFrameworkCore.Dm.dll b/WalkingTec.Mvvm/WalkingTec.Mvvm.Core/Lib/Microsoft.EntityFrameworkCore.Dm.dll
new file mode 100644
index 0000000..e77df8d
Binary files /dev/null and b/WalkingTec.Mvvm/WalkingTec.Mvvm.Core/Lib/Microsoft.EntityFrameworkCore.Dm.dll differ
diff --git a/WalkingTec.Mvvm/WalkingTec.Mvvm.Core/WalkingTec.Mvvm.Core.csproj b/WalkingTec.Mvvm/WalkingTec.Mvvm.Core/WalkingTec.Mvvm.Core.csproj
index 5d4e16d..6e993f7 100644
--- a/WalkingTec.Mvvm/WalkingTec.Mvvm.Core/WalkingTec.Mvvm.Core.csproj
+++ b/WalkingTec.Mvvm/WalkingTec.Mvvm.Core/WalkingTec.Mvvm.Core.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>net6.0</TargetFramework>
     <Description>WalkingTec.Mvvm</Description>
@@ -42,4 +42,13 @@
     <PackageReference Include="Microsoft.AspNetCore.Authentication.Cookies" Version="2.2.0" />
   </ItemGroup>
 
+  <ItemGroup>
+    <Reference Include="DmProvider">
+      <HintPath>Lib\DmProvider.dll</HintPath>
+    </Reference>
+    <Reference Include="Microsoft.EntityFrameworkCore.Dm">
+      <HintPath>Lib\Microsoft.EntityFrameworkCore.Dm.dll</HintPath>
+    </Reference>
+  </ItemGroup>
+
 </Project>