diff --git a/designer-form/src/main/java/com/fr/design/mainframe/FormParaWidgetPane.java b/designer-form/src/main/java/com/fr/design/mainframe/FormParaWidgetPane.java
index be752777b7..8505af5ed8 100644
--- a/designer-form/src/main/java/com/fr/design/mainframe/FormParaWidgetPane.java
+++ b/designer-form/src/main/java/com/fr/design/mainframe/FormParaWidgetPane.java
@@ -196,7 +196,9 @@ public class FormParaWidgetPane extends JPanel {
             JPanel componentsPara = new JPanel(new FlowLayout(FlowLayout.LEFT));
             WidgetOption[] chartOptions = loadChartOptions();
             for (WidgetOption chartOption : chartOptions) {
-                componentsPara.add(new ToolBarButton(chartOption));
+                ToolBarButton button = new ToolBarButton(chartOption);
+                button.setPreferredSize(new Dimension(widgetButtonWidth, widgetButtonHeight));
+                componentsPara.add(button);
             }
             int x = COMMON_CHAR_NUM * (widgetButtonWidth + smallGAP);
             int y = (int) Math.ceil(chartOptions.length / ((double) COMMON_CHAR_NUM)) * (widgetButtonHeight + smallGAP);