diff --git a/designer-realize/src/main/java/com/fr/design/widget/ui/MultiFileEditorPane.java b/designer-realize/src/main/java/com/fr/design/widget/ui/MultiFileEditorPane.java
index 2837939f21..2aea9d17d9 100644
--- a/designer-realize/src/main/java/com/fr/design/widget/ui/MultiFileEditorPane.java
+++ b/designer-realize/src/main/java/com/fr/design/widget/ui/MultiFileEditorPane.java
@@ -39,8 +39,7 @@ public class MultiFileEditorPane extends FieldEditorDefinePane<MultiFileEditor>
         singleFileCheckBox = new UICheckBox(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Report_Single_File_Upload"));
         UIComponentUtils.setLineWrap(singleFileCheckBox);
         acceptType = new DictionaryComboBox(DictionaryConstants.acceptTypes, DictionaryConstants.fileTypeDisplays);
-        fileSizeField = new UISpinner(0, Integer.MAX_VALUE, 1, -1);
-        fileSizeField.setPreferredSize(new Dimension(140, 20));
+        fileSizeField = new UISpinner(0, Integer.MAX_VALUE, 1);
 
         JPanel fileSizePane = new JPanel(new BorderLayout());
         UILabel fileTypeLabel = new UILabel(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Report_Utils_File_Type"));