diff --git a/ViewModel/Grading/GradingResultVM.cs b/ViewModel/Grading/GradingResultVM.cs
index 055d428..62f8d83 100644
--- a/ViewModel/Grading/GradingResultVM.cs
+++ b/ViewModel/Grading/GradingResultVM.cs
@@ -712,10 +712,12 @@ public class GradingResultVM : BaseViewModel
 #endregion
     private double CalWight(AlgorithmResultEntity result)
     {
-        var M1 = result.measurements.M1;
-        var M2 = result.measurements.M2;
-        var M3 = result.measurements.M3;
-        var wight = Square((M1+M2)/2)*M3*0.0061;
+        // var M1 = result.measurements.M1;
+        // var M2 = result.measurements.M2;
+        // var M3 = result.measurements.M3;
+        // var wight = Square((M1+M2)/2)*M3*0.0061;
+        var VOLUME = result.measurements.VOLUME;
+        var wight = VOLUME/57;
         Wight = wight.ToString("f3");
         return wight;
     }