diff --git a/Models/PlcConfiguration.cs b/Models/PlcConfiguration.cs
index 8047141..7dd8d65 100644
--- a/Models/PlcConfiguration.cs
+++ b/Models/PlcConfiguration.cs
@@ -17,7 +17,8 @@
         public ushort HardnessSudu { get; set; }
         public ushort HardnessWeiyi { get; set; }
         public ushort HardnessPoSun { get; set; }
-
+        public ushort HardnessForward { get; set; }
+        public ushort HardnessBack { get; set; }
 
         // 脆碎度
         public ushort FriabilityStartCoil { get; set; }
diff --git a/ViewModels/StationViewModel.cs b/ViewModels/StationViewModel.cs
index cca3a41..65534ff 100644
--- a/ViewModels/StationViewModel.cs
+++ b/ViewModels/StationViewModel.cs
@@ -108,7 +108,8 @@ namespace TabletTester2025.ViewModels
         public IAsyncRelayCommand HardnessUpCommand { get; }
         public IAsyncRelayCommand HardnessDownCommand { get; }
         public IAsyncRelayCommand HardnessResetCommand { get; }
-        public IAsyncRelayCommand PrintHardnessCommand { get; }
+        public IAsyncRelayCommand HardnessForward { get; }//前进
+        public IAsyncRelayCommand HardnessBack { get; }//后退
 
         // 脆碎度新增
         [ObservableProperty] private double _friabilityTargetRpm = 25;
@@ -244,7 +245,22 @@ namespace TabletTester2025.ViewModels
               
             });
 
-            PrintHardnessCommand = new AsyncRelayCommand(async () => await PrintReport("硬度"));
+            // 硬前进按钮命令
+            HardnessForward = new AsyncRelayCommand(async () =>
+            {
+               
+                await _plc.WriteCoilAsync(_plcConfig.HardnessForward, true);
+                await Task.Delay(100); // 脉冲宽度，和复位按钮保持一致
+                await _plc.WriteCoilAsync(_plcConfig.HardnessForward, false);
+            });
+
+            // 硬后退按钮命令
+            HardnessForward = new AsyncRelayCommand(async () =>
+            {
+                await _plc.WriteCoilAsync(_plcConfig.HardnessBack, true);
+                await Task.Delay(100); // 脉冲宽度，和复位按钮保持一致
+                await _plc.WriteCoilAsync(_plcConfig.HardnessBack, false);
+            });
 
             // 硬度命令停止
             StopHardnessCommand = new AsyncRelayCommand(async() => {
@@ -309,9 +325,7 @@ namespace TabletTester2025.ViewModels
             {
                 switch (CurrentTest)
                 {
-                    case TestType.Hardness:
-                        HardnessPoSun = await _plc.ReadFloatAsync(_plcConfig.HardnessPoSun);
-                        break;
+                
                     case TestType.Disintegration:
                         DisintegrationTemp = await _plc.ReadFloatAsync(_plcConfig.DisintegrationTemp);
                         IsBasketMovingUp = await _plc.ReadCoilAsync(_plcConfig.DisintegrationMovingUpCoil);
@@ -814,12 +828,12 @@ namespace TabletTester2025.ViewModels
 
                 double currentSpeed = _hardnessSudu;
                 double currentWeiyi = _hardnessWeiyi;
-                double currentPoSun = _hardnessPoSun;
+              
 
                 // 如果你需要把这3个值发给PLC，就在这里发一次（测试开始用当前参数）
                 await _plc.WriteFloatAsync(_plcConfig.HardnessSudu, (float)currentSpeed);
                 await _plc.WriteFloatAsync(_plcConfig.HardnessWeiyi, (float)currentWeiyi);
-                await _plc.WriteFloatAsync(_plcConfig.HardnessPoSun, (float)currentPoSun);
+            
 
                 // 开始循环测试
                 for (int i = 0; i < count; i++)
@@ -835,7 +849,7 @@ namespace TabletTester2025.ViewModels
 
                     double val = await _plc.ReadFloatAsync(_plcConfig.HardnessPoSun);
                     _hardnessResults.Add(val);
-                    HardnessPoSun = val;
+                    //HardnessPoSun = val;
 
                     await Task.Delay(1000);
                 }