diff --git a/clashN/clashN/Forms/OptionSettingForm.cs b/clashN/clashN/Forms/OptionSettingForm.cs
index 99a40d1..ca5e03c 100644
--- a/clashN/clashN/Forms/OptionSettingForm.cs
+++ b/clashN/clashN/Forms/OptionSettingForm.cs
@@ -198,8 +198,17 @@ namespace clashN.Forms
         }
 
         private void btnEditMixinContent_Click(object sender, EventArgs e)
-        {          
+        {
             var address = Utils.GetPath(Global.mixinConfigFileName);
+            if (!File.Exists(address))
+            {
+                string contents = Utils.GetEmbedText(Global.SampleMixin);
+                if (!Utils.IsNullOrEmpty(contents))
+                {
+                    File.WriteAllText(address, contents);
+                }
+            }
+
             if (File.Exists(address))
             {
                 Utils.ProcessStart(address);
diff --git a/clashN/clashN/Global.cs b/clashN/clashN/Global.cs
index 1c69e6b..f3665c2 100644
--- a/clashN/clashN/Global.cs
+++ b/clashN/clashN/Global.cs
@@ -45,6 +45,9 @@ namespace clashN
 
         public const string mixinConfigFileName = "Mixin.yaml";
 
+        public const string SampleMixin = "clashN.Sample.SampleMixin.yaml";
+        public const string SampleTun = "clashN.Sample.SampleTun.yaml";
+
         public const string InboundSocks = "socks";
         public const string InboundHttp = "http";
         public const string Loopback = "127.0.0.1";
diff --git a/clashN/clashN/Handler/CoreConfigHandler.cs b/clashN/clashN/Handler/CoreConfigHandler.cs
index db9b0b6..52faf23 100644
--- a/clashN/clashN/Handler/CoreConfigHandler.cs
+++ b/clashN/clashN/Handler/CoreConfigHandler.cs
@@ -16,8 +16,6 @@ namespace clashN.Handler
     /// </summary>
     class CoreConfigHandler
     {
-        private static string SampleTun = "clashN.Sample.SampleTun.yaml";
-
         /// <summary>
         /// 生成配置文件
         /// </summary>
@@ -116,7 +114,7 @@ namespace clashN.Handler
                 //enable tun mode
                 if (node.enableTun)
                 {
-                    string tun = Utils.GetEmbedText(SampleTun);
+                    string tun = Utils.GetEmbedText(Global.SampleTun);
                     if (!Utils.IsNullOrEmpty(tun))
                     {
                         var tunContent = Utils.FromYaml<Dictionary<string, object>>(tun);
@@ -155,6 +153,12 @@ namespace clashN.Handler
                 return;
             }
 
+            var path = Utils.GetPath(Global.mixinConfigFileName);
+            if (!File.Exists(path))
+            {
+                return;
+            }
+
             var txtFile = File.ReadAllText(Utils.GetPath(Global.mixinConfigFileName));
             txtFile = txtFile.Replace("!<str>", "");
 
diff --git a/clashN/clashN/Mixin.yaml b/clashN/clashN/Sample/SampleMixin.yaml
similarity index 100%
rename from clashN/clashN/Mixin.yaml
rename to clashN/clashN/Sample/SampleMixin.yaml
diff --git a/clashN/clashN/clashN.csproj b/clashN/clashN/clashN.csproj
index 4661ced..a9f09f0 100644
--- a/clashN/clashN/clashN.csproj
+++ b/clashN/clashN/clashN.csproj
@@ -97,10 +97,8 @@
   </ItemGroup>
   <ItemGroup>
     <Content Include="clashN.ico" />
-    <Content Include="Mixin.yaml">
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </Content>
     <Content Include="Resources\help.png" />
+    <EmbeddedResource Include="Sample\SampleMixin.yaml" />
     <EmbeddedResource Include="Sample\SampleTun.yaml" />
   </ItemGroup>
   <ItemGroup>
@@ -122,7 +120,7 @@
   </ItemGroup>
   <PropertyGroup />
   <ItemGroup>
-    <None Remove="Mixin.yaml" />
+    <None Remove="Sample\SampleMixin.yaml" />
     <None Remove="Sample\SampleTun.yaml" />
   </ItemGroup>
   <ItemGroup>