diff --git a/PEIS.EF/Domain/SampleDomain.cs b/PEIS.EF/Domain/SampleDomain.cs
new file mode 100644
index 0000000..c240ae2
--- /dev/null
+++ b/PEIS.EF/Domain/SampleDomain.cs
@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace PEIS.Service.Domain
+{
+    /// <summary>
+    /// 业务逻辑帮助类 需要在业务逻辑的基础上提炼出来的一些公共方法，但不属于基础帮助类的方法
+    /// </summary>
+    public class SampleDomain
+    {
+    }
+}
diff --git a/PEIS.Interface/Controllers/SampleController.cs b/PEIS.Interface/Controllers/SampleController.cs
new file mode 100644
index 0000000..c09eba9
--- /dev/null
+++ b/PEIS.Interface/Controllers/SampleController.cs
@@ -0,0 +1,11 @@
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+
+namespace PEIS.Cloud.Controllers
+{
+    [Route("api/[controller]")]
+    [ApiController]
+    public class SampleController : ControllerBase
+    {
+    }
+}
diff --git a/PEIS.Repositories/Context/SampleContext.cs b/PEIS.Repositories/Context/SampleContext.cs
new file mode 100644
index 0000000..e6218a4
--- /dev/null
+++ b/PEIS.Repositories/Context/SampleContext.cs
@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace PEIS.Repositories.Context
+{
+    /// <summary>
+    /// 上下文存放地方 存放数据库的上下文，不同数据库请用不同文件夹区分
+    /// </summary>
+    public class SampleContext
+    {
+    }
+}
diff --git a/PEIS.Repositories/Dtos/SampleDto.cs b/PEIS.Repositories/Dtos/SampleDto.cs
new file mode 100644
index 0000000..121de39
--- /dev/null
+++ b/PEIS.Repositories/Dtos/SampleDto.cs
@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace PEIS.Repositories.Dtos
+{
+    /// <summary>
+    /// 返回给前端的实体对象，因为在Domain层没有引用所以跟Models分开
+    /// </summary>
+    public class SampleDto
+    {
+    }
+}
diff --git a/PEIS.Repositories/Enums/ConfigEnum.cs b/PEIS.Repositories/Enums/ConfigEnum.cs
new file mode 100644
index 0000000..5a5244c
--- /dev/null
+++ b/PEIS.Repositories/Enums/ConfigEnum.cs
@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace PEIS.Repositories.Enums
+{
+    /// <summary>
+    /// 枚举类存放的地方 特别是一些审核状态 下方代码举例
+    /// </summary>
+    public enum ConfigEnum
+    {
+        /// <summary>
+        /// 通过申请
+        /// </summary>
+        Pass = 1,
+        /// <summary>
+        /// 驳回申请
+        /// </summary>
+        Reject = 2,
+
+        /// <summary>
+        /// 无需审核--永久申请
+        /// </summary>
+        NoReviewRequired = 3,
+    }
+}
diff --git a/PEIS.Repositories/Models/Sample.cs b/PEIS.Repositories/Models/Sample.cs
index 3bbbee4..eadf54b 100644
--- a/PEIS.Repositories/Models/Sample.cs
+++ b/PEIS.Repositories/Models/Sample.cs
@@ -4,6 +4,9 @@ using System.Text;
 
 namespace PEIS.Repositories.Models
 {
+    /// <summary>
+    /// 存放业务逻辑实体的地方 这个为示例文件，可以删除
+    /// </summary>
     public class Sample
     {
     }