diff --git a/Chenfeng.MES.MysqlArchiver/Chenfeng.MES.MysqlArchiver.csproj b/Chenfeng.MES.MysqlArchiver/Chenfeng.MES.MysqlArchiver.csproj
deleted file mode 100644
index 132c02c..0000000
--- a/Chenfeng.MES.MysqlArchiver/Chenfeng.MES.MysqlArchiver.csproj
+++ /dev/null
@@ -1,9 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
-    <ImplicitUsings>enable</ImplicitUsings>
-    <Nullable>enable</Nullable>
-  </PropertyGroup>
-
-</Project>
diff --git a/Chenfeng.MES.MysqlArchiver/DbContext.cs b/Chenfeng.MES.MysqlArchiver/DbContext.cs
deleted file mode 100644
index 02d73fc..0000000
--- a/Chenfeng.MES.MysqlArchiver/DbContext.cs
+++ /dev/null
@@ -1,12 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Chenfeng.MES.MysqlArchiver
-{
-    internal class DbContext
-    {
-    }
-}
diff --git a/MES-Shell/Chenfeng.MES.Shell.csproj b/MES-Shell/Chenfeng.MES.Shell.csproj
deleted file mode 100644
index 01c11a8..0000000
--- a/MES-Shell/Chenfeng.MES.Shell.csproj
+++ /dev/null
@@ -1,11 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
-    <RootNamespace>Chenfeng.MES.Shell</RootNamespace>
-    <ImplicitUsings>enable</ImplicitUsings>
-    <Nullable>enable</Nullable>
-  </PropertyGroup>
-
-</Project>
diff --git a/MES-Shell/Program.cs b/MES-Shell/Program.cs
deleted file mode 100644
index 3751555..0000000
--- a/MES-Shell/Program.cs
+++ /dev/null
@@ -1,2 +0,0 @@
-// See https://aka.ms/new-console-template for more information
-Console.WriteLine("Hello, World!");