diff --git a/designer-form/src/main/java/com/fr/design/mainframe/AbstractFormParallelLine.java b/designer-form/src/main/java/com/fr/design/mainframe/AbstractFormParallelLine.java
index 737f40422..c815c7aff 100644
--- a/designer-form/src/main/java/com/fr/design/mainframe/AbstractFormParallelLine.java
+++ b/designer-form/src/main/java/com/fr/design/mainframe/AbstractFormParallelLine.java
@@ -17,9 +17,9 @@ public abstract class AbstractFormParallelLine {
         return (startPosition + endPosition) / 2;
     }
 
-    abstract public Point getCenterPoint();
+    abstract public Point getCenterPerpendicularLineStartPoint();
 
-    abstract public Point getPerpendicularPoint(int parallelValue);
+    abstract public Point getCenterPerpendicularLineEndPoint(int parallelValue);
 
     public boolean isBeforeParallelLine(AbstractFormParallelLine parallelLine) {
         return this.getCenterPosition() < parallelLine.getStartPosition();
diff --git a/designer-form/src/main/java/com/fr/design/mainframe/FormHorizontalParallelLine.java b/designer-form/src/main/java/com/fr/design/mainframe/FormHorizontalParallelLine.java
index 336ed453e..6e0abeb02 100644
--- a/designer-form/src/main/java/com/fr/design/mainframe/FormHorizontalParallelLine.java
+++ b/designer-form/src/main/java/com/fr/design/mainframe/FormHorizontalParallelLine.java
@@ -8,14 +8,14 @@ public class FormHorizontalParallelLine extends AbstractFormParallelLine {
     }
 
     @Override
-    public Point getCenterPoint() {
+    public Point getCenterPerpendicularLineStartPoint() {
         Point point = new Point();
         point.setLocation(getCenterPosition(), parallelValue);
         return point;
     }
 
     @Override
-    public Point getPerpendicularPoint(int parallelValue) {
+    public Point getCenterPerpendicularLineEndPoint(int parallelValue) {
         Point point = new Point();
         point.setLocation(getCenterPosition(), parallelValue);
         return point;
diff --git a/designer-form/src/main/java/com/fr/design/mainframe/FormSpacingLineDrawer.java b/designer-form/src/main/java/com/fr/design/mainframe/FormSpacingLineDrawer.java
index a689dc8f6..df31cf687 100644
--- a/designer-form/src/main/java/com/fr/design/mainframe/FormSpacingLineDrawer.java
+++ b/designer-form/src/main/java/com/fr/design/mainframe/FormSpacingLineDrawer.java
@@ -73,10 +73,10 @@ public class FormSpacingLineDrawer {
             return;
         }
 
-        int startX = (int) nearestSides[0].getCenterPoint().getX();
-        int startY = (int) nearestSides[0].getCenterPoint().getY();
-        int endX = (int) nearestSides[0].getPerpendicularPoint(nearestSides[1].getParallelValue()).getX();
-        int endY = (int) nearestSides[0].getPerpendicularPoint(nearestSides[1].getParallelValue()).getY();
+        int startX = (int) nearestSides[0].getCenterPerpendicularLineStartPoint().getX();
+        int startY = (int) nearestSides[0].getCenterPerpendicularLineStartPoint().getY();
+        int endX = (int) nearestSides[0].getCenterPerpendicularLineEndPoint(nearestSides[1].getParallelValue()).getX();
+        int endY = (int) nearestSides[0].getCenterPerpendicularLineEndPoint(nearestSides[1].getParallelValue()).getY();
 
         drawSpacingLine(g, startX, startY, endX, endY);
         drawSpacingText(g, String.valueOf(gap), (startX + endX) / 2, (startY + endY) / 2);
diff --git a/designer-form/src/main/java/com/fr/design/mainframe/FormVerticalParallelLine.java b/designer-form/src/main/java/com/fr/design/mainframe/FormVerticalParallelLine.java
index baa5aa9f5..0d02f122b 100644
--- a/designer-form/src/main/java/com/fr/design/mainframe/FormVerticalParallelLine.java
+++ b/designer-form/src/main/java/com/fr/design/mainframe/FormVerticalParallelLine.java
@@ -8,14 +8,14 @@ public class FormVerticalParallelLine extends AbstractFormParallelLine {
     }
 
     @Override
-    public Point getCenterPoint() {
+    public Point getCenterPerpendicularLineStartPoint() {
         Point point = new Point();
         point.setLocation(parallelValue, getCenterPosition());
         return point;
     }
 
     @Override
-    public Point getPerpendicularPoint(int parallelValue) {
+    public Point getCenterPerpendicularLineEndPoint(int parallelValue) {
         Point point = new Point();
         point.setLocation(parallelValue, getCenterPosition());
         return point;