diff --git a/CSI-H238M/CSI-H238M/Resources/LanguageResources.cs b/CSI-H238M/CSI-H238M/Resources/LanguageResources.cs
index 41809b3..cba1e9a 100644
--- a/CSI-H238M/CSI-H238M/Resources/LanguageResources.cs
+++ b/CSI-H238M/CSI-H238M/Resources/LanguageResources.cs
@@ -158,7 +158,10 @@ namespace COFTester.Resources
                 
                 // 实时位置显示
                 ["LiftPosition"] = "升降位置",
-                ["HorizontalPosition"] = "水平位置"
+                ["HorizontalPosition"] = "水平位置",
+                
+                // 手动控制参数标题
+                ["ManualControlParameters"] = "手动控制参数"
             },
             
             ["en-US"] = new Dictionary<string, string>
@@ -303,7 +306,10 @@ namespace COFTester.Resources
                 
                 // Real-time Position Display
                 ["LiftPosition"] = "Lift Position",
-                ["HorizontalPosition"] = "Horizontal Position"
+                ["HorizontalPosition"] = "Horizontal Position",
+                
+                // Manual Control Parameters Title
+                ["ManualControlParameters"] = "Manual Control Parameters"
             }
         };
 
@@ -441,6 +447,7 @@ namespace COFTester.Resources
         public string DirectionLeft => GetString("DirectionLeft");
         public string LiftPosition => GetString("LiftPosition");
         public string HorizontalPosition => GetString("HorizontalPosition");
+        public string ManualControlParameters => GetString("ManualControlParameters");
 
         private string GetString(string key)
         {
@@ -581,6 +588,7 @@ namespace COFTester.Resources
             OnPropertyChanged(nameof(DirectionLeft));
             OnPropertyChanged(nameof(LiftPosition));
             OnPropertyChanged(nameof(HorizontalPosition));
+            OnPropertyChanged(nameof(ManualControlParameters));
         }
 
         public event PropertyChangedEventHandler? PropertyChanged;
diff --git a/CSI-H238M/CSI-H238M/Services/ModbusService.cs b/CSI-H238M/CSI-H238M/Services/ModbusService.cs
index 0a1afa5..37dbf95 100644
--- a/CSI-H238M/CSI-H238M/Services/ModbusService.cs
+++ b/CSI-H238M/CSI-H238M/Services/ModbusService.cs
@@ -205,14 +205,14 @@ namespace COFTester.Services
         /// <summary>
         /// 重置傳感器，發送重置命令(2)
         /// </summary>
-        public virtual void ResetSensors()
+        public virtual async void ResetSensors()
         {
             try
             {
                 if (_modbusMaster != null && _isConnected)
                 {
                     System.Diagnostics.Debug.WriteLine("[Modbus] 發送重置命令 (2)");
-                    WriteControlRegisterAsync((ushort)ModbusControlCommand.Reset).Wait();
+                    await WriteControlRegisterAsync((ushort)ModbusControlCommand.Reset);
                 }
             }
             catch (Exception ex)
@@ -224,14 +224,14 @@ namespace COFTester.Services
         /// <summary>
         /// 零點標定，向 M1300 寫入命令 1
         /// </summary>
-        public virtual void ZeroCalibration()
+        public virtual async void ZeroCalibration()
         {
             try
             {
                 if (_modbusMaster != null && _isConnected)
                 {
                     System.Diagnostics.Debug.WriteLine("[Modbus] 發送零點標定命令 (1) 到 M1300");
-                    WriteCalibrationRegisterAsync((ushort)ModbusCalibrationCommand.ZeroCalibration).Wait();
+                    await WriteCalibrationRegisterAsync((ushort)ModbusCalibrationCommand.ZeroCalibration);
                 }
             }
             catch (Exception ex)
@@ -243,14 +243,14 @@ namespace COFTester.Services
         /// <summary>
         /// 拉力校準，向 M1300 寫入命令 2
         /// </summary>
-        public virtual void ForceCalibration()
+        public virtual async void ForceCalibration()
         {
             try
             {
                 if (_modbusMaster != null && _isConnected)
                 {
                     System.Diagnostics.Debug.WriteLine("[Modbus] 發送拉力校準命令 (2) 到 M1300");
-                    WriteCalibrationRegisterAsync((ushort)ModbusCalibrationCommand.ForceCalibration).Wait();
+                    await WriteCalibrationRegisterAsync((ushort)ModbusCalibrationCommand.ForceCalibration);
                 }
             }
             catch (Exception ex)
@@ -262,14 +262,14 @@ namespace COFTester.Services
         /// <summary>
         /// 復歸，向 M1300 寫入命令 3
         /// </summary>
-        public virtual void ReturnToOrigin()
+        public virtual async void ReturnToOrigin()
         {
             try
             {
                 if (_modbusMaster != null && _isConnected)
                 {
                     System.Diagnostics.Debug.WriteLine("[Modbus] 發送復歸命令 (3) 到 M1300");
-                    WriteCalibrationRegisterAsync((ushort)ModbusCalibrationCommand.Return).Wait();
+                    await WriteCalibrationRegisterAsync((ushort)ModbusCalibrationCommand.Return);
                 }
             }
             catch (Exception ex)
@@ -283,7 +283,7 @@ namespace COFTester.Services
         /// </summary>
         /// <param name="direction">方向：Up, Down, Right, Left</param>
         /// <param name="start">true=开始移动, false=停止移动</param>
-        public virtual void DirectionControl(string direction, bool start)
+        public virtual async void DirectionControl(string direction, bool start)
         {
             try
             {
@@ -302,7 +302,7 @@ namespace COFTester.Services
                     string action = start ? "開始" : "停止";
                     
                     System.Diagnostics.Debug.WriteLine($"[Modbus] 方向控制: {direction} {action} - 寫入寄存器 M{(ushort)register} = {value}");
-                    WriteDirectionRegisterAsync((ushort)register, value).Wait();
+                    await WriteDirectionRegisterAsync((ushort)register, value);
                 }
             }
             catch (Exception ex)
@@ -315,7 +315,7 @@ namespace COFTester.Services
         /// 开始指定方向的测试 - 写入1到对应寄存器
         /// M0=上升, M1=下降, M2=向右, M3=向左
         /// </summary>
-        public virtual void StartDirectionTest(string direction)
+        public virtual async void StartDirectionTest(string direction)
         {
             try
             {
@@ -331,7 +331,7 @@ namespace COFTester.Services
                     };
                     
                     System.Diagnostics.Debug.WriteLine($"[Modbus] 开始测试: {direction} - 寫入寄存器 M{(ushort)register} = 1");
-                    WriteDirectionRegisterAsync((ushort)register, 1).Wait();
+                    await WriteDirectionRegisterAsync((ushort)register, 1);
                 }
             }
             catch (Exception ex)
@@ -343,7 +343,7 @@ namespace COFTester.Services
         /// <summary>
         /// 停止指定方向的测试 - 写入0到对应寄存器
         /// </summary>
-        public virtual void StopDirectionTest(string direction)
+        public virtual async void StopDirectionTest(string direction)
         {
             try
             {
@@ -359,7 +359,7 @@ namespace COFTester.Services
                     };
                     
                     System.Diagnostics.Debug.WriteLine($"[Modbus] 停止测试: {direction} - 寫入寄存器 M{(ushort)register} = 0");
-                    WriteDirectionRegisterAsync((ushort)register, 0).Wait();
+                    await WriteDirectionRegisterAsync((ushort)register, 0);
                 }
             }
             catch (Exception ex)