diff --git a/designer-realize/src/main/java/com/fr/grid/GridRowUI.java b/designer-realize/src/main/java/com/fr/grid/GridRowUI.java
index e979aa9950..5a7f0bf420 100644
--- a/designer-realize/src/main/java/com/fr/grid/GridRowUI.java
+++ b/designer-realize/src/main/java/com/fr/grid/GridRowUI.java
@@ -32,6 +32,7 @@ import java.awt.geom.Rectangle2D;
  * @since 2012-3-22下午5:54:21
  */
 public class GridRowUI extends ComponentUI {
+    private static final int OFFSET = 2;
     protected Color editedBackground = UIManager.getColor("Center.GridColumnRowEditedColor");
     protected Color selectedBackground = UIManager.getColor("Center.GridColumnRowSelectedColor");
 
@@ -166,7 +167,7 @@ public class GridRowUI extends ComponentUI {
         Rectangle2D bounds = new TextLayout(paintText, gridRow.getFont(), fontRenderContext).getBounds();
         double stringHeight = bounds.getHeight() * time;
         // 如果高度太小了就不画了
-        if (stringHeight <= increaseHeight + 2) {
+        if (stringHeight <= increaseHeight + OFFSET) {
             if (isSelectedBounds) {
                 g2d.setColor(gridRow.getSelectedForeground());
             } else {