diff --git a/designer-realize/src/main/java/com/fr/design/report/UnitFieldPane.java b/designer-realize/src/main/java/com/fr/design/report/UnitFieldPane.java
index 6da8957b2..6af6852d4 100644
--- a/designer-realize/src/main/java/com/fr/design/report/UnitFieldPane.java
+++ b/designer-realize/src/main/java/com/fr/design/report/UnitFieldPane.java
@@ -8,6 +8,7 @@ import com.fr.design.gui.ilable.UILabel;
 import com.fr.design.gui.ispinner.UIBasicSpinner;
 import com.fr.design.layout.FRGUIPaneFactory;
 import com.fr.stable.Constants;
+import com.fr.stable.GraphDrawHelper;
 import com.fr.stable.OperatingSystem;
 import com.fr.stable.unit.CM;
 import com.fr.stable.unit.INCH;
@@ -52,9 +53,9 @@ public class UnitFieldPane extends JPanel {
                 this.setText(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Report_Unit_MM"));
             }
 
-            //ajust the heigt of unitLabel.
-            Dimension unitDimension = new Dimension(this.getPreferredSize().width,
-                    preferredHeight);
+            //自适应label宽度
+            int width = GraphDrawHelper.getWidth(this.getText(), this.getFont());
+            Dimension unitDimension = new Dimension(width, preferredHeight);
             this.setMinimumSize(unitDimension);
             this.setMinimumSize(unitDimension);
             this.setSize(unitDimension);