diff --git a/ViewModels/StationViewModel.cs b/ViewModels/StationViewModel.cs
index 29ca0ae..f48e9ed 100644
--- a/ViewModels/StationViewModel.cs
+++ b/ViewModels/StationViewModel.cs
@@ -854,7 +854,7 @@ namespace TabletTester2025.ViewModels
             if (_isLoadingDissolution1SampleInterval || _plcConfig.Dissolution1SampleInterval == 0 || value <= 0)
                 return;
 
-            _ = WriteDissolutionFloatAsync(_plcConfig.Dissolution1SampleInterval, value);
+            _ = WriteDissolutionSampleIntervalAsync(_plcConfig.Dissolution1SampleInterval, value);
             DissolutionSampleInterval = ToCompatibleSampleInterval(value);
         }
 
@@ -863,7 +863,7 @@ namespace TabletTester2025.ViewModels
             if (_isLoadingDissolution2SampleInterval || _plcConfig.Dissolution2SampleInterval == 0 || value <= 0)
                 return;
 
-            _ = WriteDissolutionFloatAsync(_plcConfig.Dissolution2SampleInterval, value);
+            _ = WriteDissolutionSampleIntervalAsync(_plcConfig.Dissolution2SampleInterval, value);
         }
 
         private async Task LoadDissolutionTimesAsync()
@@ -922,8 +922,8 @@ namespace TabletTester2025.ViewModels
                 try
                 {
                     _isLoadingDissolution1SampleInterval = true;
-                    float value = await _plc.ReadFloatAsync(_plcConfig.Dissolution1SampleInterval);
-                    if (float.IsFinite(value) && value > 0)
+                    int value = await _plc.ReadIntAsync(_plcConfig.Dissolution1SampleInterval);
+                    if (value > 0)
                     {
                         Dissolution1SampleIntervalMin = value;
                         DissolutionSampleInterval = ToCompatibleSampleInterval(value);
@@ -941,8 +941,8 @@ namespace TabletTester2025.ViewModels
                 try
                 {
                     _isLoadingDissolution2SampleInterval = true;
-                    float value = await _plc.ReadFloatAsync(_plcConfig.Dissolution2SampleInterval);
-                    if (float.IsFinite(value) && value > 0)
+                    int value = await _plc.ReadIntAsync(_plcConfig.Dissolution2SampleInterval);
+                    if (value > 0)
                         Dissolution2SampleIntervalMin = value;
                 }
                 catch { }
@@ -953,14 +953,14 @@ namespace TabletTester2025.ViewModels
             }
         }
 
-        private async Task WriteDissolutionFloatAsync(ushort registerAddress, double value)
+        private async Task WriteDissolutionSampleIntervalAsync(ushort registerAddress, double value)
         {
             if (registerAddress == 0 || value <= 0 || !double.IsFinite(value))
                 return;
 
             try
             {
-                await _plc.WriteFloatAsync(registerAddress, (float)value);
+                await _plc.WriteRegisterAsync(registerAddress, (ushort)Math.Clamp(ToCompatibleSampleInterval(value), 1, ushort.MaxValue));
             }
             catch { }
         }
@@ -1616,7 +1616,7 @@ namespace TabletTester2025.ViewModels
             _isDissolution1Running = true;
             DissolutionPlotModel.Title = "溶出曲线";
             await WriteDissolutionTimeAsync(_plcConfig.Dissolution1Time, Dissolution1TimeMin);
-            await WriteDissolutionFloatAsync(_plcConfig.Dissolution1SampleInterval, Dissolution1SampleIntervalMin);
+            await WriteDissolutionSampleIntervalAsync(_plcConfig.Dissolution1SampleInterval, Dissolution1SampleIntervalMin);
             await PulseCoilAsync(_plcConfig.Dissolution1StartCoil);
         }
 
@@ -1667,7 +1667,7 @@ namespace TabletTester2025.ViewModels
             _isDissolution2Running = true;
             DissolutionPlotModel.Title = "溶出曲线";
             await WriteDissolutionTimeAsync(_plcConfig.Dissolution2Time, Dissolution2TimeMin);
-            await WriteDissolutionFloatAsync(_plcConfig.Dissolution2SampleInterval, Dissolution2SampleIntervalMin);
+            await WriteDissolutionSampleIntervalAsync(_plcConfig.Dissolution2SampleInterval, Dissolution2SampleIntervalMin);
             await PulseCoilAsync(_plcConfig.Dissolution2StartCoil);
         }
 
diff --git a/Views/MainWindow.xaml b/Views/MainWindow.xaml
index b2a5346..18d5f2e 100644
--- a/Views/MainWindow.xaml
+++ b/Views/MainWindow.xaml
@@ -432,11 +432,11 @@
                                                 </StackPanel>
                                                 <StackPanel Style="{StaticResource ParamRow}">
                                                     <TextBlock Text="溶出1间隔取样时间(min)：" Style="{StaticResource ParamLabel}"/>
-                                                    <TextBlock Text="{Binding Dissolution1SampleIntervalMin, StringFormat=F1}" FontSize="18" FontWeight="SemiBold" VerticalAlignment="Center"/>
+                                                    <TextBlock Text="{Binding Dissolution1SampleIntervalMin, StringFormat=F0}" FontSize="18" FontWeight="SemiBold" VerticalAlignment="Center"/>
                                                 </StackPanel>
                                                 <StackPanel Style="{StaticResource ParamRow}">
                                                     <TextBlock Text="溶出2间隔取样时间(min)：" Style="{StaticResource ParamLabel}"/>
-                                                    <TextBlock Text="{Binding Dissolution2SampleIntervalMin, StringFormat=F1}" FontSize="18" FontWeight="SemiBold" VerticalAlignment="Center"/>
+                                                    <TextBlock Text="{Binding Dissolution2SampleIntervalMin, StringFormat=F0}" FontSize="18" FontWeight="SemiBold" VerticalAlignment="Center"/>
                                                 </StackPanel>
                                                 <StackPanel Style="{StaticResource ParamRow}">
                                                     <TextBlock Text="30min最低溶出度Q(%)：" Style="{StaticResource ParamLabel}"/>
diff --git a/Views/SettingsWindow.xaml b/Views/SettingsWindow.xaml
index 6894e0a..713b09e 100644
--- a/Views/SettingsWindow.xaml
+++ b/Views/SettingsWindow.xaml
@@ -178,11 +178,11 @@
                             </StackPanel>
                             <StackPanel Style="{StaticResource ParamRow}">
                                 <TextBlock Text="溶出1取样间隔(min):" Style="{StaticResource ParamLabel}"/>
-                                <TextBox x:Name="Dissolution1IntervalBox"/>
+                                <TextBox x:Name="Dissolution1IntervalBox" helpers:NumericInput.AllowDecimal="False"/>
                             </StackPanel>
                             <StackPanel Style="{StaticResource ParamRow}">
                                 <TextBlock Text="溶出2取样间隔(min):" Style="{StaticResource ParamLabel}"/>
-                                <TextBox x:Name="Dissolution2IntervalBox"/>
+                                <TextBox x:Name="Dissolution2IntervalBox" helpers:NumericInput.AllowDecimal="False"/>
                             </StackPanel>
                         </WrapPanel>
                         <StackPanel Style="{StaticResource ParamRow}" Margin="0,8,0,0">
diff --git a/Views/SettingsWindow.xaml.cs b/Views/SettingsWindow.xaml.cs
index 7c81311..c84562e 100644
--- a/Views/SettingsWindow.xaml.cs
+++ b/Views/SettingsWindow.xaml.cs
@@ -68,8 +68,8 @@ namespace TabletTester2025
                 p.DissolutionTemperatureC = ParseFiniteDouble(DissolutionTempBox.Text, "溶出介质温度");
                 p.Dissolution1TimeMin = int.Parse(Dissolution1TimeBox.Text);
                 p.Dissolution2TimeMin = int.Parse(Dissolution2TimeBox.Text);
-                p.Dissolution1SampleIntervalMin = ParseFiniteDouble(Dissolution1IntervalBox.Text, "溶出1取样间隔");
-                p.Dissolution2SampleIntervalMin = ParseFiniteDouble(Dissolution2IntervalBox.Text, "溶出2取样间隔");
+                p.Dissolution1SampleIntervalMin = ParsePositiveInt(Dissolution1IntervalBox.Text, "溶出1取样间隔");
+                p.Dissolution2SampleIntervalMin = ParsePositiveInt(Dissolution2IntervalBox.Text, "溶出2取样间隔");
                 p.DissolutionSampleTimes = SampleTimesBox.Text
                     .Split(',', StringSplitOptions.RemoveEmptyEntries)
                     .Select(s => int.Parse(s.Trim()))
diff --git a/Views/ShowData.xaml.cs b/Views/ShowData.xaml.cs
index 0604c76..a17f030 100644
--- a/Views/ShowData.xaml.cs
+++ b/Views/ShowData.xaml.cs
@@ -158,8 +158,8 @@ namespace 片剂四用仪.Views
                 new PlcParamMapping("txt_Dissolution2Speed", AddressOrDefault(plcConfig.Dissolution2Speed, 350), PlcParamType.Float),
                 new PlcParamMapping("txt_DissolutionTime", AddressOrDefault(plcConfig.Dissolution1Time, 430), PlcParamType.Int),
                 new PlcParamMapping("txt_Dissolution2Time", AddressOrDefault(plcConfig.Dissolution2Time, 440), PlcParamType.Int),
-                new PlcParamMapping("txt_Dissolution1SamplingInterval", AddressOrDefault(plcConfig.Dissolution1SampleInterval, 432), PlcParamType.Float),
-                new PlcParamMapping("txt_Dissolution2SamplingInterval", AddressOrDefault(plcConfig.Dissolution2SampleInterval, 442), PlcParamType.Float),
+                new PlcParamMapping("txt_Dissolution1SamplingInterval", AddressOrDefault(plcConfig.Dissolution1SampleInterval, 432), PlcParamType.Int),
+                new PlcParamMapping("txt_Dissolution2SamplingInterval", AddressOrDefault(plcConfig.Dissolution2SampleInterval, 442), PlcParamType.Int),
 
                 new PlcParamMapping("txt_ForceCoefficient", 1320, PlcParamType.Float),
                 new PlcParamMapping("txt_ForceProtection", 1322, PlcParamType.Float),
diff --git a/appsettings.json b/appsettings.json
index 4fc42b1..973dff3 100644
--- a/appsettings.json
+++ b/appsettings.json
@@ -44,7 +44,7 @@
     "FriabilityWeightAfter": 414, // 脆碎后质量(g)
     "WeightBefore": 412,
     "WeightAfter": 414,
-    "DisintegrationTemp": 1430,
+    "DisintegrationTemp": 1430, // 所有温度显示D1430，float类型
     "DisintegrationMovingUpCoil": 30,
     "DisintegrationStartCoil": 50,
     "DisintegrationStopCoil": 53,
@@ -66,8 +66,8 @@
     "Dissolution2SampleAckCoil": 34,
     "Dissolution1Time": 430,
     "Dissolution2Time": 440,
-    "Dissolution1SampleInterval": 432,
-    "Dissolution2SampleInterval": 442
+    "Dissolution1SampleInterval": 432, // 溶出1取样间隔，int类型
+    "Dissolution2SampleInterval": 442 // 溶出2取样间隔，int类型
   },
   "PharmaStandard": {
     "StandardVersion": "中国药典2025",