diff --git a/PEIS/PEIS.csproj b/PEIS/PEIS.csproj
index 7075a43..5daf8ec 100644
--- a/PEIS/PEIS.csproj
+++ b/PEIS/PEIS.csproj
@@ -81,9 +81,8 @@
     <Reference Include="AForge.Video.DirectShow, Version=2.2.5.0, Culture=neutral, PublicKeyToken=61ea4348d43881b7, processorArchitecture=MSIL">
       <HintPath>..\packages\AForge.Video.DirectShow.2.2.5\lib\AForge.Video.DirectShow.dll</HintPath>
     </Reference>
-    <Reference Include="Aspose.Imaging, Version=2.7.0.0, Culture=neutral, PublicKeyToken=00725b1ceb58d0a9, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\..\..\..\..\..\..\Users\15012\Downloads\Aspose.Total for .NET (Apr 2018)\Aspose.Imaging for .NET v18.3\net4.0\Aspose.Imaging.dll</HintPath>
+    <Reference Include="Aspose.Imaging, Version=19.1.0.0, Culture=neutral, PublicKeyToken=716fcc553a201e56, processorArchitecture=MSIL">
+      <HintPath>..\packages\Aspose.Imaging.19.1.0\lib\net40\Aspose.Imaging.dll</HintPath>
     </Reference>
     <Reference Include="ChnCharInfo, Version=1.0.0.0, Culture=neutral, PublicKeyToken=18f031bd02e5e291, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.PinYinConverter.1.0.0\lib\ChnCharInfo.dll</HintPath>
@@ -166,9 +165,11 @@
     <Reference Include="System.ComponentModel.DataAnnotations" />
     <Reference Include="System.configuration" />
     <Reference Include="System.Core" />
-    <Reference Include="System.Net.Http, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\..\..\..\..\..\..\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\System.Net.Http.dll</HintPath>
+    <Reference Include="System.Net.Http, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Net.Http.2.0.20710.0\lib\net40\System.Net.Http.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Net.Http.WebRequest, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Net.Http.2.0.20710.0\lib\net40\System.Net.Http.WebRequest.dll</HintPath>
     </Reference>
     <Reference Include="System.Runtime.Serialization" />
     <Reference Include="System.Security" />
diff --git a/PEIS/packages.config b/PEIS/packages.config
index b8044d6..f3e0bdc 100644
--- a/PEIS/packages.config
+++ b/PEIS/packages.config
@@ -6,11 +6,13 @@
   <package id="AForge.Math" version="2.2.5" targetFramework="net40" />
   <package id="AForge.Video" version="2.2.5" targetFramework="net40" />
   <package id="AForge.Video.DirectShow" version="2.2.5" targetFramework="net40" />
+  <package id="Aspose.Imaging" version="19.1.0" targetFramework="net40" />
   <package id="DotNetZip" version="1.16.0" targetFramework="net40" />
   <package id="EPPlus" version="4.5.3" targetFramework="net40" />
   <package id="FastReport.Compat" version="2021.3.0" targetFramework="net40" />
   <package id="FastReport.Core" version="2022.1.0" targetFramework="net40" />
   <package id="FastReport.Net.Pro" version="2022.1.0" targetFramework="net40" />
+  <package id="Microsoft.Net.Http" version="2.0.20710.0" targetFramework="net40" />
   <package id="Microsoft.PinYinConverter" version="1.0.0" targetFramework="net40" />
   <package id="ncalc" version="1.3.8" targetFramework="net40" />
   <package id="Newtonsoft.Json" version="13.0.3" targetFramework="net40" />
@@ -21,4 +23,5 @@
   <package id="PdfiumViewer.Native.x86.v8-xfa" version="2018.4.8.256" targetFramework="net40" />
   <package id="PdfiumViewer.Native.x86_64.v8-xfa" version="2018.4.8.256" targetFramework="net40" />
   <package id="SharpZipLib" version="0.86.0" targetFramework="net40" />
+  <package id="System.Net.Http" version="2.0.20710.0" targetFramework="net40" />
 </packages>
\ No newline at end of file