diff --git a/ViewModels/D7896ViewModel.cs b/ViewModels/D7896ViewModel.cs
index 5b01db9..8f0fb47 100644
--- a/ViewModels/D7896ViewModel.cs
+++ b/ViewModels/D7896ViewModel.cs
@@ -390,7 +390,7 @@ public partial class D7896ViewModel : ObservableObject
 
                 // ---- 异常值检测 ----
                 bool isOutlier = false;
-                double deviationThreshold = 0.15; // 20% 偏差阈值
+                double deviationThreshold = 0.1; // 10% 偏差阈值
 
                 if (validCount >= 2) // 至少有两个有效数据后才开始剔除
                 {