diff --git a/Source code/C# script/HotelManager/HotelManager/HotelManager.csproj b/Source code/C# script/HotelManager/HotelManager/HotelManager.csproj
index 990ba1e..7a735f8 100644
--- a/Source code/C# script/HotelManager/HotelManager/HotelManager.csproj	
+++ b/Source code/C# script/HotelManager/HotelManager/HotelManager.csproj	
@@ -35,6 +35,34 @@
     <Reference Include="Bunifu_UI_v1.52">
       <HintPath>..\..\..\UI for Visual Studio 2017\Bunifu_UI_v1.52.dll</HintPath>
     </Reference>
+    <Reference Include="C">
+      <HintPath>..\..\..\C</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="C">
+      <HintPath>..\..\..\C</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="C">
+      <HintPath>..\..\..\C</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="C">
+      <HintPath>..\..\..\C</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="C">
+      <HintPath>..\..\..\C</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="C">
+      <HintPath>..\..\..\C</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="C">
+      <HintPath>..\..\..\C</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="FlashControlV71, Version=1.0.3187.32366, Culture=neutral, PublicKeyToken=692fbea5521e1304">
       <HintPath>..\packages\CrystalReports.FlashControlV71.13.0.3501\lib\net20\FlashControlV71.dll</HintPath>
     </Reference>
diff --git a/Source code/C# script/HotelManager/HotelManager/packages.config b/Source code/C# script/HotelManager/HotelManager/packages.config
index 3f2eaf2..2dd21ac 100644
--- a/Source code/C# script/HotelManager/HotelManager/packages.config	
+++ b/Source code/C# script/HotelManager/HotelManager/packages.config	
@@ -16,6 +16,12 @@
   <package id="CrystalReports.ReportAppServer.XmlSerialize" version="13.0.3501" targetFramework="net461" />
   <package id="CrystalReports.Shared" version="13.0.3501" targetFramework="net461" />
   <package id="Dapper" version="1.50.5" targetFramework="net461" />
-  <package id="log4net" version="1.2.10" targetFramework="net461" />
+  <package id="log4net" version="3.3.0" targetFramework="net461" />
   <package id="Microsoft.Report.Viewer" version="11.0.0.0" targetFramework="net461" />
+  <package id="System.Buffers" version="4.6.1" targetFramework="net461" />
+  <package id="System.Configuration.ConfigurationManager" version="10.0.5" targetFramework="net461" />
+  <package id="System.Memory" version="4.6.3" targetFramework="net461" />
+  <package id="System.Numerics.Vectors" version="4.6.1" targetFramework="net461" />
+  <package id="System.Runtime.CompilerServices.Unsafe" version="6.1.2" targetFramework="net461" />
+  <package id="System.Security.Cryptography.ProtectedData" version="10.0.5" targetFramework="net461" />
 </packages>
\ No newline at end of file