diff --git a/Views/SettingsWindow.xaml b/Views/SettingsWindow.xaml
index cdd7245..8ef5f3f 100644
--- a/Views/SettingsWindow.xaml
+++ b/Views/SettingsWindow.xaml
@@ -100,7 +100,7 @@
                                 <TextBox x:Name="FriabilityRpmBox" TextChanged="FriabilityCalculationBox_TextChanged"/>
                             </StackPanel>
                             <StackPanel Style="{StaticResource ParamRow}">
-                                <TextBlock Text="试验时间(min):" Style="{StaticResource ParamLabel}"/>
+                                <TextBlock Text="试验次数(次):" Style="{StaticResource ParamLabel}"/>
                                 <TextBox x:Name="FriabilityTimeBox" TextChanged="FriabilityCalculationBox_TextChanged"/>
                             </StackPanel>
                             <StackPanel Style="{StaticResource ParamRow}">
diff --git a/Views/SettingsWindow.xaml.cs b/Views/SettingsWindow.xaml.cs
index 6aa79c0..cba9423 100644
--- a/Views/SettingsWindow.xaml.cs
+++ b/Views/SettingsWindow.xaml.cs
@@ -48,7 +48,7 @@ namespace TabletTester2025
                 p.HardnessMax_N = double.Parse(HardnessMaxBox.Text);
                 p.HardnessTestCount = int.Parse(HardnessCountBox.Text);
                 p.FriabilityTargetRpm = double.Parse(FriabilityRpmBox.Text);
-                p.FriabilityTargetTimeMin = double.Parse(FriabilityTimeBox.Text);
+                p.FriabilityTargetTimeMin = int.Parse(FriabilityTimeBox.Text);
                 p.FriabilityTargetRounds = CalculateFriabilityRounds(p.FriabilityTargetTimeMin, p.FriabilityTargetRpm);
                 p.FriabilityMaxLossPercent = double.Parse(FriabilityMaxLossBox.Text);
                 p.DisintegrationDosageForm = GetSelectedDisintegrationDosageForm();
@@ -96,7 +96,7 @@ namespace TabletTester2025
             if (FriabilityRoundsBox == null)
                 return;
 
-            if (double.TryParse(FriabilityTimeBox?.Text, out double timeMin)
+            if (int.TryParse(FriabilityTimeBox?.Text, out int timeMin)
                 && double.TryParse(FriabilityRpmBox?.Text, out double rpm)
                 && timeMin > 0
                 && rpm > 0)
diff --git a/appsettings.json b/appsettings.json
index dd85afd..013b66e 100644
--- a/appsettings.json
+++ b/appsettings.json
@@ -35,7 +35,7 @@
     "FriabilityStartCoilReset": 95, // 脆碎复位启动
 
 
-    "FriabilityTestTime": 410, // 脆碎试验时间(min)
+    "FriabilityTestTime": 410, // 试验次数(次)
     "FriabilityWeightBefore": 412, // 脆碎前质量(g)
     "FriabilityWeightAfter": 414, // 脆碎后质量(g)
     "WeightBefore": 412,