diff --git a/Models/IProvider.cs b/Models/IProvider.cs
new file mode 100644
index 0000000..7901f24
--- /dev/null
+++ b/Models/IProvider.cs
@@ -0,0 +1,42 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Models
+{
+    /// <summary>
+    /// 查询接口
+    /// </summary>
+    /// <typeparam name="T"></typeparam>
+    public interface IProvider<T>where T: class
+    {
+        /// <summary>
+        /// 查询一条记录
+        /// </summary>
+        /// <returns></returns>
+        List<T> Select();
+
+        /// <summary>
+        /// 插入一条记录
+        /// </summary>
+        /// <param name="t"></param>
+        /// <returns></returns>
+        int Insert(T t);
+
+        /// <summary>
+        /// 修改一条记录
+        /// </summary>
+        /// <param name="t"></param>
+        /// <returns></returns>
+        int Update(T t);
+
+        /// <summary>
+        /// 删除一条记录
+        /// </summary>
+        /// <param name="t"></param>
+        /// <returns></returns>
+        int Delete(T t);
+    }
+}
diff --git a/Models/Models.csproj b/Models/Models.csproj
index aba91f9..8b789e1 100644
--- a/Models/Models.csproj
+++ b/Models/Models.csproj
@@ -152,6 +152,7 @@
     <Compile Include="EventList.cs">
       <DependentUpon>SQL_BD.tt</DependentUpon>
     </Compile>
+    <Compile Include="IProvider.cs" />
     <Compile Include="JOBTKT.cs">
       <DependentUpon>SQL_Ti.tt</DependentUpon>
     </Compile>