diff --git a/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/LjDeliver/ControlsHelper.cs b/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/LjDeliver/ControlsHelper.cs
index 11077a9..fc37deb 100644
--- a/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/LjDeliver/ControlsHelper.cs
+++ b/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/LjDeliver/ControlsHelper.cs
@@ -15,6 +15,16 @@ namespace Mesnac.Action.ChemicalWeighing.LjDeliver
 {
     public class ControlsHelper : ControlsImprot
     {
-
+        public static double NoNegative(double value)
+        {
+            if(value < 0)
+            {
+                return 0;
+            }
+            else
+            {
+                return value;
+            }
+        }
     }
 }
diff --git a/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/LjDeliver/DeliverInitAction.cs b/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/LjDeliver/DeliverInitAction.cs
index f8ef9d6..6c61341 100644
--- a/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/LjDeliver/DeliverInitAction.cs
+++ b/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/LjDeliver/DeliverInitAction.cs
@@ -552,15 +552,15 @@ namespace Mesnac.Action.ChemicalWeighing.LjDeliver
             ControlsHelper.SetMCLabel(LabelE.PR1PCP02, (float)Math.Round(PlcTemp.PR1PCP02_Set, 2)+ " MPa");
             ControlsHelper.SetMCLabel(LabelE.PR1PCP03, (float)Math.Round(PlcTemp.PR1PCP03_Set, 2)+ " MPa");
 
-            PressureCurve.PointValue1 = Math.Round(PlcTemp.PR1DBT02_Set, 4);
-            PressureCurve.PointValue2 = Math.Round(PlcTemp.PR1DBT03_Set, 4);
-            PressureCurve.PointValue3 = Math.Round(PlcTemp.PR1DBT04_Set, 4);
-            PressureCurve.PointValue4 = Math.Round(PlcTemp.PR2DBT02_Set, 4);
-            PressureCurve.PointValue5 = Math.Round(PlcTemp.PR2DBT03_Set, 4);
-            PressureCurve.PointValue6 = Math.Round(PlcTemp.PR2DBT04_Set, 4);
-            PressureCurve.PointValue7 = Math.Round(PlcTemp.PR3DBT02_Set, 4);
-            PressureCurve.PointValue8 = Math.Round(PlcTemp.PR3DBT03_Set, 4);
-            PressureCurve.PointValue9 = Math.Round(PlcTemp.PR3DBT04_Set, 4);
+            PressureCurve.PointValue1 = ControlsHelper.NoNegative(Math.Round(PlcTemp.PR1DBT02_Set, 3));
+            PressureCurve.PointValue2 = ControlsHelper.NoNegative(Math.Round(PlcTemp.PR1DBT03_Set, 3));
+            PressureCurve.PointValue3 = ControlsHelper.NoNegative(Math.Round(PlcTemp.PR1DBT04_Set, 3));
+            PressureCurve.PointValue4 = ControlsHelper.NoNegative(Math.Round(PlcTemp.PR2DBT02_Set, 3));
+            PressureCurve.PointValue5 = ControlsHelper.NoNegative(Math.Round(PlcTemp.PR2DBT03_Set, 3));
+            PressureCurve.PointValue6 = ControlsHelper.NoNegative(Math.Round(PlcTemp.PR2DBT04_Set, 3));
+            PressureCurve.PointValue7 = ControlsHelper.NoNegative(Math.Round(PlcTemp.PR3DBT02_Set, 3));
+            PressureCurve.PointValue8 = ControlsHelper.NoNegative(Math.Round(PlcTemp.PR3DBT03_Set, 3));
+            PressureCurve.PointValue9 = ControlsHelper.NoNegative(Math.Round(PlcTemp.PR3DBT04_Set, 3));
 
             ControlsHelper.SetHslBottle(bottleE.Bottle1, PlcTemp.Bottle1_Set);
             ControlsHelper.SetHslBottle(bottleE.Bottle2, PlcTemp.Bottle2_Set);
diff --git a/Main/MCEdit/Data/MCProject/nodeForm/LjDeliver.xml b/Main/MCEdit/Data/MCProject/nodeForm/LjDeliver.xml
index 50e4a13..f62be5e 100644
--- a/Main/MCEdit/Data/MCProject/nodeForm/LjDeliver.xml
+++ b/Main/MCEdit/Data/MCProject/nodeForm/LjDeliver.xml
@@ -77,7 +77,7 @@
         <Property name="MCEnabled">True</Property>
         <Property name="Text">MPa</Property>
         <Property name="ForeColor">ButtonHighlight</Property>
-        <Property name="Location">713, 498</Property>
+        <Property name="Location">710, 494</Property>
         <Property name="Name">MCLabel1</Property>
         <Property name="Size">23, 12</Property>
       </Object>