diff --git a/designer-form/src/main/java/com/fr/design/mainframe/FormArea.java b/designer-form/src/main/java/com/fr/design/mainframe/FormArea.java
index 314851b0e9..ec0de92fc2 100644
--- a/designer-form/src/main/java/com/fr/design/mainframe/FormArea.java
+++ b/designer-form/src/main/java/com/fr/design/mainframe/FormArea.java
@@ -876,7 +876,7 @@ public class FormArea extends JComponent implements ScrollRulerComponent {
                     int designerTop = top + (horScrollBar.getY() - DESIGNERHEIGHT) / 2;
                     if (fvsGuidePane != null) {
                         Dimension fvsGuidePreferredSize = fvsGuidePane.getPreferredSize();
-                        fvsGuidePane.setBounds(left, top, right - BARSIZE - 2, fvsGuidePreferredSize.height);
+                        fvsGuidePane.setBounds(left, top, DESIGNERWIDTH, fvsGuidePreferredSize.height);
                         DESIGNERHEIGHT -= fvsGuidePreferredSize.height;
                         designerTop += fvsGuidePreferredSize.height;
                     }