diff --git a/UserClass/AsyncTcpClient.cs b/UserClass/AsyncTcpClient.cs
index 47ce353..6644c51 100644
--- a/UserClass/AsyncTcpClient.cs
+++ b/UserClass/AsyncTcpClient.cs
@@ -25,6 +25,7 @@ using System.Windows;
 using System.Xml.Linq;
 using TouchSocket.Core;
 using TouchSocket.Sockets;
+using TouchSocket.SerialPorts;
 using static SunlightCentralizedControlManagement_SCCM_.UserClass.SqliteHelper;
 using static SunlightCentralizedControlManagement_SCCM_.View.MachinesView;
 using static System.Windows.Forms.AxHost;
diff --git a/ViewModel/MainWindowViewModel.cs b/ViewModel/MainWindowViewModel.cs
index 5ec834d..22a8c31 100644
--- a/ViewModel/MainWindowViewModel.cs
+++ b/ViewModel/MainWindowViewModel.cs
@@ -33,6 +33,7 @@ using System.Windows.Threading;
 using System.Xml.Linq;
 using TouchSocket.Core;
 using TouchSocket.Sockets;
+using TouchSocket.SerialPorts;
 using static MaterialDesignThemes.Wpf.Theme;
 using static SunlightCentralizedControlManagement_SCCM_.UserClass.SqliteHelper;
 using static SunlightCentralizedControlManagement_SCCM_.ViewModel.ManualDyelotModel;