对称性：扭曲度除外

ViewModel/Grading/GradingResultVM.cs

@@ -1619,7 +1619,7 @@ public class GradingResultVM : BaseViewModel
     [Log]
     public void ChangeSym(object norm)
     {
-        decimal? order = this.DtResults.Select(x => x.SymLevel).Max();
+        decimal? order = this.DtResults.Where(x => x.TestItemId != "TWIST").Select(x => x.SymLevel).Max();
         if (order.HasValue)
         {
             totalSymGrade = order.Value;