diff --git a/formula_manage.csproj b/formula_manage.csproj
index d7bc14d..cea77ec 100644
--- a/formula_manage.csproj
+++ b/formula_manage.csproj
@@ -195,15 +195,6 @@
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     </Reference>
     <Reference Include="System" />
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-      <HintPath>packages\System.Buffers.4.5.1\lib\net461\System.Buffers.dll</HintPath>
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-    <Reference Include="System.Collections.Immutable, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>packages\System.Collections.Immutable.8.0.0\lib\net462\System.Collections.Immutable.dll</HintPath>
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-    <Reference Include="System.ComponentModel.Annotations, Version=4.2.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>packages\System.ComponentModel.Annotations.5.0.0\lib\net461\System.ComponentModel.Annotations.dll</HintPath>
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     <Reference Include="System.ComponentModel.Composition" />
     <Reference Include="System.ComponentModel.DataAnnotations" />
     <Reference Include="System.Configuration" />
@@ -213,107 +204,12 @@
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     </Reference>
     <Reference Include="System.Drawing" />
-    <Reference Include="System.Globalization.Calendars, Version=4.0.2.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>packages\System.Globalization.Calendars.4.3.0\lib\net46\System.Globalization.Calendars.dll</HintPath>
-      <Private>True</Private>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="System.IO, Version=4.1.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>packages\System.IO.4.3.0\lib\net462\System.IO.dll</HintPath>
-      <Private>True</Private>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="System.IO.Compression, Version=4.1.2.0, Culture=neutral, PublicKeyToken=b77a5c561934e089, processorArchitecture=MSIL">
-      <HintPath>packages\System.IO.Compression.4.3.0\lib\net46\System.IO.Compression.dll</HintPath>
-      <Private>True</Private>
-      <Private>True</Private>
-    </Reference>
     <Reference Include="System.IO.Compression.FileSystem" />
-    <Reference Include="System.Linq, Version=4.1.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>packages\System.Linq.4.3.0\lib\net463\System.Linq.dll</HintPath>
-      <Private>True</Private>
-      <Private>True</Private>
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     <Reference Include="System.Management" />
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-      <HintPath>packages\System.Memory.4.5.5\lib\net461\System.Memory.dll</HintPath>
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-      <HintPath>packages\System.Net.Http.4.3.4\lib\net46\System.Net.Http.dll</HintPath>
-      <Private>True</Private>
-      <Private>True</Private>
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-      <HintPath>packages\System.Net.Sockets.4.3.0\lib\net46\System.Net.Sockets.dll</HintPath>
-      <Private>True</Private>
-      <Private>True</Private>
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     <Reference Include="System.Numerics" />
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-      <HintPath>packages\System.Numerics.Vectors.4.5.0\lib\net46\System.Numerics.Vectors.dll</HintPath>
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-      <Private>True</Private>
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-      <Private>True</Private>
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-      <Private>True</Private>
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-      <HintPath>packages\System.Runtime.InteropServices.4.3.0\lib\net463\System.Runtime.InteropServices.dll</HintPath>
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-      <Private>True</Private>
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-      <HintPath>packages\System.Security.Cryptography.Primitives.4.3.0\lib\net46\System.Security.Cryptography.Primitives.dll</HintPath>
-      <Private>True</Private>
-      <Private>True</Private>
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-    <Reference Include="System.Security.Cryptography.X509Certificates, Version=4.1.1.2, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>packages\System.Security.Cryptography.X509Certificates.4.3.2\lib\net461\System.Security.Cryptography.X509Certificates.dll</HintPath>
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-      <Private>True</Private>
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     <Reference Include="System.ServiceProcess" />
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-      <HintPath>packages\System.Text.RegularExpressions.4.3.1\lib\net463\System.Text.RegularExpressions.dll</HintPath>
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-      <Private>True</Private>
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-    <Reference Include="System.Threading.Tasks.Extensions, Version=4.2.0.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
-      <HintPath>packages\System.Threading.Tasks.Extensions.4.5.4\lib\net461\System.Threading.Tasks.Extensions.dll</HintPath>
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-    <Reference Include="System.ValueTuple, Version=4.0.3.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
-      <HintPath>packages\System.ValueTuple.4.5.0\lib\net47\System.ValueTuple.dll</HintPath>
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     <Reference Include="System.Web" />
     <Reference Include="System.Windows.Forms" />
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@@ -327,11 +223,6 @@
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       <RequiredTargetFramework>4.0</RequiredTargetFramework>
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-      <Private>True</Private>
-      <Private>True</Private>
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     <Reference Include="ThoughtWorks.QRCode, Version=1.0.4778.30637, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>packages\ThoughtWorks.QRCode.1.1.0\lib\ThoughtWorks.QRCode.dll</HintPath>
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diff --git a/packages.config b/packages.config
index 58cc761..e3510ae 100644
--- a/packages.config
+++ b/packages.config
@@ -24,43 +24,6 @@
   <package id="NModbus" version="3.0.81" targetFramework="net462" />
   <package id="SamOatesGames.ModernUI.Xceed.Toolkit" version="1.0.1905191936" targetFramework="net46" />
   <package id="Smart.FormDesigner" version="1.4.3" targetFramework="net462" />
-  <package id="System.Buffers" version="4.5.1" targetFramework="net472" />
-  <package id="System.Collections.Immutable" version="8.0.0" targetFramework="net472" />
-  <package id="System.ComponentModel.Annotations" version="5.0.0" targetFramework="net472" />
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-  <package id="System.Globalization.Calendars" version="4.3.0" targetFramework="net472" />
-  <package id="System.IO" version="4.3.0" targetFramework="net472" />
-  <package id="System.IO.Compression" version="4.3.0" targetFramework="net472" />
-  <package id="System.Linq" version="4.3.0" targetFramework="net472" />
-  <package id="System.Memory" version="4.5.5" targetFramework="net472" />
-  <package id="System.Net.Http" version="4.3.4" targetFramework="net472" />
-  <package id="System.Net.Primitives" version="4.3.1" targetFramework="net472" />
-  <package id="System.Net.Sockets" version="4.3.0" targetFramework="net472" />
-  <package id="System.Numerics.Vectors" version="4.5.0" targetFramework="net472" />
-  <package id="System.ObjectModel" version="4.3.0" targetFramework="net46" />
-  <package id="System.Reflection" version="4.3.0" targetFramework="net472" />
-  <package id="System.Reflection.Extensions" version="4.3.0" targetFramework="net472" />
-  <package id="System.Reflection.Primitives" version="4.3.0" targetFramework="net472" />
-  <package id="System.Resources.ResourceManager" version="4.3.0" targetFramework="net472" />
-  <package id="System.Runtime" version="4.3.1" targetFramework="net472" />
-  <package id="System.Runtime.CompilerServices.Unsafe" version="6.0.0" targetFramework="net472" />
-  <package id="System.Runtime.Extensions" version="4.3.1" targetFramework="net472" />
-  <package id="System.Runtime.Handles" version="4.3.0" targetFramework="net472" />
-  <package id="System.Runtime.InteropServices" version="4.3.0" targetFramework="net472" />
-  <package id="System.Runtime.InteropServices.RuntimeInformation" version="4.3.0" targetFramework="net472" />
-  <package id="System.Runtime.Numerics" version="4.3.0" targetFramework="net472" />
-  <package id="System.Security.Cryptography.Algorithms" version="4.3.1" targetFramework="net472" />
-  <package id="System.Security.Cryptography.Encoding" version="4.3.0" targetFramework="net472" />
-  <package id="System.Security.Cryptography.Primitives" version="4.3.0" targetFramework="net472" />
-  <package id="System.Security.Cryptography.X509Certificates" version="4.3.2" targetFramework="net472" />
-  <package id="System.Text.Encoding" version="4.3.0" targetFramework="net472" />
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-  <package id="System.Threading.Timer" version="4.3.0" targetFramework="net472" />
-  <package id="System.ValueTuple" version="4.5.0" targetFramework="net472" />
-  <package id="System.Xml.ReaderWriter" version="4.3.1" targetFramework="net472" />
-  <package id="System.Xml.XDocument" version="4.3.0" targetFramework="net472" />
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 </packages>
\ No newline at end of file