diff --git a/SparkDB.db b/SparkDB.db
index f7c0790..bb8b23a 100644
Binary files a/SparkDB.db and b/SparkDB.db differ
diff --git a/ViewModel/Grading/GradingResultVM.cs b/ViewModel/Grading/GradingResultVM.cs
index 62f8d83..986bda2 100644
--- a/ViewModel/Grading/GradingResultVM.cs
+++ b/ViewModel/Grading/GradingResultVM.cs
@@ -510,6 +510,15 @@ public class GradingResultVM : BaseViewModel
     }
     #endregion
     #region 参数列表行编辑
+    private string calDev(string max,string min)
+    {
+        decimal Max = 0;
+        decimal Min = 0;
+        decimal.TryParse(max, out Max);
+        decimal.TryParse(min, out Min);
+        return (Max-Min).ToString();
+    }
+  
     private DataInfo getDIAMETER(AlgorithmResultEntity result)
     {
         DataInfo info = new DataInfo();
@@ -519,6 +528,7 @@ public class GradingResultVM : BaseViewModel
         info.Dev = result.measurements.DIAMETER_DEV.ToString(digitsFormat);
         info.Min = FormatDouble_D(result.measurements.M1);
         info.Max = FormatDouble_D(result.measurements.M2);
+        info.Dev = calDev(info.Max, info.Min);
         return info;
     }
     private DataInfo getTOTAL_DEPTH(AlgorithmResultEntity result)
@@ -555,6 +565,7 @@ public class GradingResultVM : BaseViewModel
         info.Min = FormatDouble_A(result.measurements.CROWN_ANGLE_MIN);
         info.Max = FormatDouble_A(result.measurements.CROWN_ANGLE_MAX);
         info.CutLevel = calGrade_CROWN_ANGLE(result.measurements.CROWN_ANGLE_MIN, result.measurements.CROWN_ANGLE_MAX);
+        info.Dev = calDev(info.Max, info.Min);
         return info;
     }
 
@@ -568,6 +579,7 @@ public class GradingResultVM : BaseViewModel
         info.Min = FormatDouble_P(result.measurements.CROWN_H_MIN);
         info.Max = FormatDouble_P(result.measurements.CROWN_H_MAX);
         info.CutLevel = calGrade_CROWN_HEIGHT(result.measurements.CROWN_H_MIN, result.measurements.CROWN_H_MAX);
+        info.Dev = calDev(info.Max, info.Min);
         return info;
     }
 
@@ -580,6 +592,7 @@ public class GradingResultVM : BaseViewModel
         info.Dev = FormatDouble_P(result.measurements.GIRDLE_BEZEL_DEV);
         info.Min = FormatDouble_P(result.measurements.GIRDLE_BEZEL_MIN);
         info.Max = FormatDouble_P(result.measurements.GIRDLE_BEZEL_MAX);
+        info.Dev = calDev(info.Max, info.Min);
         return info;
     }
 
@@ -605,6 +618,7 @@ public class GradingResultVM : BaseViewModel
         info.Min = FormatDouble_P(result.measurements.GIRDLE_VALLEY_MIN);
         info.Max = FormatDouble_P(result.measurements.GIRDLE_VALLEY_MAX);
         info.CutLevel = calGrade_GIRDLE(result.measurements.GIRDLE_VALLEY_MIN, result.measurements.GIRDLE_VALLEY_MAX);
+        info.Dev = calDev(info.Max, info.Min);
         return info;
     }
 
@@ -618,6 +632,7 @@ public class GradingResultVM : BaseViewModel
         info.Min = FormatDouble_A(result.measurements.PAV_ANGLE_MIN);
         info.Max = FormatDouble_A(result.measurements.PAV_ANGLE_MAX);
         info.CutLevel = calGrade_PAV_ANGLE(result.measurements.PAV_ANGLE_MIN, result.measurements.PAV_ANGLE_MAX);
+        info.Dev = calDev(info.Max, info.Min);
         return info;
     }
 
@@ -631,6 +646,7 @@ public class GradingResultVM : BaseViewModel
         info.Min = FormatDouble_P(result.measurements.PAV_DEPTH_MIN);
         info.Max = FormatDouble_P(result.measurements.PAV_DEPTH_MAX);
         info.CutLevel = calGrade_PAV_DEPTH(result.measurements.PAV_DEPTH_MIN, result.measurements.PAV_DEPTH_MAX);
+        info.Dev = calDev(info.Max, info.Min);
         return info;
     }
 
@@ -698,6 +714,7 @@ public class GradingResultVM : BaseViewModel
         info.Dev = FormatDouble_A(result.measurements.TWIST_DEV);
         info.Min = FormatDouble_A(result.measurements.TWIST_MIN);
         info.Max = FormatDouble_A(result.measurements.TWIST_MAX);
+        info.Dev = calDev(info.Max, info.Min);
         return info;
     }