diff --git a/ViewModels/StationViewModel.cs b/ViewModels/StationViewModel.cs
index 87af4eb..deecf3c 100644
--- a/ViewModels/StationViewModel.cs
+++ b/ViewModels/StationViewModel.cs
@@ -1642,8 +1642,11 @@ namespace TabletTester2025.ViewModels
             }
             catch (Exception ex)
             {
-                await App.Current.Dispatcher.InvokeAsync(() =>
-                    MessageBox.Show($"硬度测试出错: {ex.Message}"));
+                if (!IsHardnessCompleteResetTimeout(ex))
+                {
+                    await App.Current.Dispatcher.InvokeAsync(() =>
+                        MessageBox.Show($"硬度测试出错: {ex.Message}"));
+                }
             }
             finally
             {
@@ -1668,6 +1671,12 @@ namespace TabletTester2025.ViewModels
                 : (ushort)70;
         }
 
+        private static bool IsHardnessCompleteResetTimeout(Exception ex)
+        {
+            return ex is TimeoutException
+                && string.Equals(ex.Message, "硬度完成信号未复位", StringComparison.Ordinal);
+        }
+
         private ushort ResolveHardnessLiveForceRegister()
         {
             return _plcConfig.HardnessShishilizhi != 0
@@ -2151,7 +2160,7 @@ namespace TabletTester2025.ViewModels
 
             try
             {
-                await PulseCoilAsync(_plcConfig.DisintegrationResetCoil);
+                await PulseCoilAsync(ResolveDisintegrationResetCoil());
             }
             finally
             {
@@ -2171,6 +2180,13 @@ namespace TabletTester2025.ViewModels
             }
         }
 
+        private ushort ResolveDisintegrationResetCoil()
+        {
+            return _plcConfig.DisintegrationResetCoil != 0
+                ? _plcConfig.DisintegrationResetCoil
+                : (ushort)100;
+        }
+
         private async Task StartDissolution1Async()
         {
             if (_isDissolution1Running)
diff --git a/Views/MainWindow.xaml b/Views/MainWindow.xaml
index 2061fbc..61a04e4 100644
--- a/Views/MainWindow.xaml
+++ b/Views/MainWindow.xaml
@@ -764,7 +764,7 @@
                                     <Button Command="{Binding StartDisintegrationCommand}" Content="开始" Style="{StaticResource StartButton}"/>
                                     <Button Command="{Binding StopDisintegrationCommand}" Content="停止" Style="{StaticResource StopButton}"/>
                                     <Button Command="{Binding SaveDisintegrationResultCommand}" Content="保存记录" Style="{StaticResource SecondaryButton}" IsEnabled="{Binding CanSaveDisintegrationResult}"/>
-                                    <!--<Button Command="{Binding ResetDisintegrationCommand}" Content="复位" Style="{StaticResource ResetButton}"/>-->
+                                    <Button Command="{Binding ResetDisintegrationCommand}" Content="复位" Style="{StaticResource ResetButton}"/>
                                 </WrapPanel>
                             </Grid>
                         </TabItem>
diff --git a/appsettings.json b/appsettings.json
index dc59634..466aa7d 100644
--- a/appsettings.json
+++ b/appsettings.json
@@ -51,6 +51,7 @@
     "DisintegrationMovingUpCoil": 30,
     "DisintegrationStartCoil": 50,
     "DisintegrationStopCoil": 53,
+    "DisintegrationResetCoil": 100, // 崩解复位M100
     "DisintegrationSpeed": 330,
     "DisintegrationTime": 420,
     "DisintegrationCompleteCoils": [ 200, 201, 202, 203, 204, 205 ],