diff --git a/Src/Asp.NetCore2/DmOrmTest/Config.cs b/Src/Asp.NetCore2/DmOrmTest/Config.cs
index 8ac3b3329..cd417fbee 100644
--- a/Src/Asp.NetCore2/DmOrmTest/Config.cs
+++ b/Src/Asp.NetCore2/DmOrmTest/Config.cs
@@ -15,7 +15,7 @@ namespace OrmTest
         /// Account have permission to create database
         /// 用有建库权限的数据库账号
         /// </summary>
-        public static string ConnectionString = "Server=120.79.19.7:10374;User Id=SYSDBA;PWD=Ldkie#21;DATABASE=DAMENG";
+        public static string ConnectionString = "Server=153.101.199.83:5236;User Id=SYSDBA;PWD=xxx;DATABASE=DAMENG";
         /// <summary>
         /// Account have permission to create database
         /// 用有建库权限的数据库账号
diff --git a/Src/Asp.NetCore2/DmOrmTest/Program.cs b/Src/Asp.NetCore2/DmOrmTest/Program.cs
index f391ff759..b0b6862d5 100644
--- a/Src/Asp.NetCore2/DmOrmTest/Program.cs
+++ b/Src/Asp.NetCore2/DmOrmTest/Program.cs
@@ -21,7 +21,7 @@ namespace OrmTest
             DemoA_DbMain.Init();
             DemoB_Aop.Init();
             DemoC_GobalFilter.Init();
-            DemoD_DbFirst.Init(); ;
+           // DemoD_DbFirst.Init(); ;
             DemoE_CodeFirst.Init();
             DemoF_Utilities.Init();
             DemoG_SimpleClient.Init();
diff --git a/Src/Asp.NetCore2/SqlSugar/OnlyCore/DataExtensions.cs b/Src/Asp.NetCore2/SqlSugar/OnlyCore/DataExtensions.cs
index c92f3e46b..d4c78ca70 100644
--- a/Src/Asp.NetCore2/SqlSugar/OnlyCore/DataExtensions.cs
+++ b/Src/Asp.NetCore2/SqlSugar/OnlyCore/DataExtensions.cs
@@ -781,7 +781,7 @@ namespace SqlSugar
             }
             var columns = dt.Columns;
             var rows = dt.Rows;
-            using (DmDataReader dr = command.ExecuteReader())
+            using (var dr = command.ExecuteReader())
             {
                 for (int i = 0; i < dr.FieldCount; i++)
                 {
@@ -817,7 +817,7 @@ namespace SqlSugar
             {
                 ds = new DataSet();
             }
-            using (DmDataReader dr = command.ExecuteReader())
+            using (var dr = command.ExecuteReader())
             {
                 do
                 {
diff --git a/Src/Asp.NetCore2/SqlSugar/SqlSugar.csproj b/Src/Asp.NetCore2/SqlSugar/SqlSugar.csproj
index e19f3602b..e31fa1e88 100644
--- a/Src/Asp.NetCore2/SqlSugar/SqlSugar.csproj
+++ b/Src/Asp.NetCore2/SqlSugar/SqlSugar.csproj
@@ -26,7 +26,7 @@
     <PackageReference Include="Npgsql" Version="5.0.7" />
     <PackageReference Include="Oracle.ManagedDataAccess.Core" Version="3.21.1" />
     <PackageReference Include="Oscar.Data.SqlClient" Version="4.0.4" />
-    <PackageReference Include="SqlSugarCore.Dm" Version="1.0.0" />
+    <PackageReference Include="SqlSugarCore.Dm" Version="1.2.0" />
     <PackageReference Include="SqlSugarCore.Kdbndp" Version="7.3.0" />
     <PackageReference Include="System.Data.Common" Version="4.3.0" />
 	<PackageReference Include="Microsoft.Data.SqlClient" Version="2.1.4" />
diff --git a/Src/Asp.NetCore2/SqlSugar/SqlSugarForCore.nuspec b/Src/Asp.NetCore2/SqlSugar/SqlSugarForCore.nuspec
index e0921cdec..f6297f348 100644
--- a/Src/Asp.NetCore2/SqlSugar/SqlSugarForCore.nuspec
+++ b/Src/Asp.NetCore2/SqlSugar/SqlSugarForCore.nuspec
@@ -22,7 +22,7 @@
         <dependency id="MySqlConnector" version="2.2.5" />
         <dependency id="Oracle.ManagedDataAccess.Core" version="3.21.1" />
         <dependency id="Npgsql" version="5.0.7" />
-	    <dependency id="SqlSugarCore.Dm" version="1.0.0" />
+	    <dependency id="SqlSugarCore.Dm" version="1.2" />
 	    <dependency id="SqlSugarCore.Kdbndp" version="7.3.0" />
       </group>
     </dependencies>