diff --git a/CC.Yi.IDAL/CC.Yi.IDAL.csproj b/CC.Yi.IDAL/CC.Yi.IDAL.csproj
index bfba3015..91214ffd 100644
--- a/CC.Yi.IDAL/CC.Yi.IDAL.csproj
+++ b/CC.Yi.IDAL/CC.Yi.IDAL.csproj
@@ -14,6 +14,10 @@
       <Generator>TextTemplatingFileGenerator</Generator>
       <LastGenOutput>T4IDAL.cs</LastGenOutput>
     </None>
+    <None Update="T4IDbSession.tt">
+      <Generator>TextTemplatingFileGenerator</Generator>
+      <LastGenOutput>T4IDbSession.cs</LastGenOutput>
+    </None>
   </ItemGroup>
 
   <ItemGroup>
@@ -26,6 +30,11 @@
       <AutoGen>True</AutoGen>
       <DependentUpon>T4IDAL.tt</DependentUpon>
     </Compile>
+    <Compile Update="T4IDbSession.cs">
+      <DesignTime>True</DesignTime>
+      <AutoGen>True</AutoGen>
+      <DependentUpon>T4IDbSession.tt</DependentUpon>
+    </Compile>
   </ItemGroup>
 
 </Project>
diff --git a/CC.Yi.IDAL/T4IDbSession.cs b/CC.Yi.IDAL/T4IDbSession.cs
new file mode 100644
index 00000000..aab497df
--- /dev/null
+++ b/CC.Yi.IDAL/T4IDbSession.cs
@@ -0,0 +1,15 @@
+using CC.Yi.Model;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace CC.Yi.IDAL
+{
+    public partial interface IDbSession
+    {
+        IstudentDal studentDal{get;}
+
+    }
+}
\ No newline at end of file
diff --git a/CC.Yi.IDAL/T4IDbSession.tt b/CC.Yi.IDAL/T4IDbSession.tt
new file mode 100644
index 00000000..b0d2226a
--- /dev/null
+++ b/CC.Yi.IDAL/T4IDbSession.tt
@@ -0,0 +1,33 @@
+<#@ template debug="false" hostspecific="true" language="C#" #>
+<#@ assembly name="System.Core" #>
+<#@ import namespace="System.Linq" #>
+<#@ import namespace="System.Text" #>
+<#@ import namespace="System.Collections.Generic" #>
+<#@ import namespace="System.IO" #>
+<#@ output extension=".cs" #>
+<#
+    string solutionsPath = Host.ResolveAssemblyReference("$(SolutionDir)");//获取解决方案路径
+            string txt;
+            StreamReader sr = new StreamReader(solutionsPath+@"\T4Model\T4Model.txt");
+            txt=sr.ReadToEnd();
+            sr.Close();
+            string[] ModelData= txt.Split(',');
+ #>
+using CC.Yi.Model;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace CC.Yi.IDAL
+{
+    public partial interface IDbSession
+    {
+<#    foreach(string k in ModelData){
+ #>
+        I<#=k #>Dal <#=k #>Dal{get;}
+
+<#    } #>
+    }
+}
\ No newline at end of file