优化更新提示

diff --git a/XCoder/FrmMDI.cs b/XCoder/FrmMDI.cs
index 2f1bb2e..f6e2dfb 100644
--- a/XCoder/FrmMDI.cs
+++ b/XCoder/FrmMDI.cs
@@ -204,7 +204,7 @@ public partial class FrmMDI : Form
             if (up.Check())
             {
                 up.Download();
-                if (!auto || MessageBox.Show($"发现新版本{up.Link.Time}，是否更新？", "自动更新", MessageBoxButtons.YesNo) == DialogResult.Yes)
+                if (!auto || MessageBox.Show($"发现新版本v{up.Link.Version}，是否更新？", "自动更新", MessageBoxButtons.YesNo) == DialogResult.Yes)
                 {
                     var rs = up.Update();
                     MessageBox.Show("更新" + (rs ? "成功" : "失败"), "自动更新");

diff --git a/XCoder/XCoder.csproj b/XCoder/XCoder.csproj
index 55d7bf0..571f585 100644
--- a/XCoder/XCoder.csproj
+++ b/XCoder/XCoder.csproj
@@ -93,10 +93,4 @@
       <Version>2020.0.2</Version>
     </PackageReference>
   </ItemGroup>
-  <ItemGroup>
-    <Folder Include="Star\" />
-  </ItemGroup>
-  <PropertyGroup>
-    <PostBuildEvent>del "$(TargetDir)*.xml" /q</PostBuildEvent>
-  </PropertyGroup>
 </Project>
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