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 6da8957b26..c6a86de53d 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
@@ -52,9 +52,9 @@ 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 = this.getFontMetrics(this.getFont()).stringWidth(this.getText());
+            Dimension unitDimension = new Dimension(width, preferredHeight);
             this.setMinimumSize(unitDimension);
             this.setMinimumSize(unitDimension);
             this.setSize(unitDimension);
@@ -62,7 +62,8 @@ public class UnitFieldPane extends JPanel {
         }
     }
 
-    public UnitFieldPane(int unitType) {
+    public
+    UnitFieldPane(int unitType) {
         this.setLayout(FRGUIPaneFactory.createBoxFlowLayout());
 
         this.unitType = unitType;