diff --git a/Models/AppConfig.cs b/Models/AppConfig.cs
index 2bc5e6e..bed60c2 100644
--- a/Models/AppConfig.cs
+++ b/Models/AppConfig.cs
@@ -92,5 +92,5 @@ public class CalibrationCoefficients
     public ushort TemperatureCoefficient { get; set; }
     public ushort ResistanceCoefficient { get; set; }
     public double ThermalConductivityCorrection { get; set; } = 47.305349f;//蒸馏水   比热率修正
-    public double ThermalDiffusivityCorrection { get; set; } = 0.312912;//导热率修正
+    public double ThermalDiffusivityCorrection { get; set; } = 0.3469589023611997;//导热率修正
 }
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