diff --git a/src/WCTDataMiner.Wpf/ViewModels/PlossChartViewModel.cs b/src/WCTDataMiner.Wpf/ViewModels/PlossChartViewModel.cs
index 5da65be..6469098 100644
--- a/src/WCTDataMiner.Wpf/ViewModels/PlossChartViewModel.cs
+++ b/src/WCTDataMiner.Wpf/ViewModels/PlossChartViewModel.cs
@@ -90,10 +90,10 @@ public partial class PlossChartViewModel : ObservableObject
                 return;
             }
 
-            // 构建 Ploss 曲线 (Field7) 和 Threshold 阈值线 (Field8)
-            var plossValues = records.Select(r => (double)r.Field7).ToArray();
-            var thresholdValues = records.Select(r => (double)r.Field8).ToArray();
-            var triggerLabels = records.Select(r => r.Field9.ToString()).ToArray();
+            // 构建 Ploss 曲线 (Field9) 和 Threshold 阈值线 (Field10)
+            var plossValues = records.Select(r => (double)r.Field9).ToArray();
+            var thresholdValues = records.Select(r => (double)r.Field10).ToArray();
+            var triggerLabels = records.Select(r => r.Field11.ToString()).ToArray();
 
             Series = new ISeries[]
             {