diff --git a/designer_form/src/com/fr/design/mainframe/FormDesigner.java b/designer_form/src/com/fr/design/mainframe/FormDesigner.java
index ec823827a5..fffccd3fff 100644
--- a/designer_form/src/com/fr/design/mainframe/FormDesigner.java
+++ b/designer_form/src/com/fr/design/mainframe/FormDesigner.java
@@ -201,6 +201,7 @@ public class FormDesigner extends TargetComponent<Form> implements TreeSelection
         if (getParameterArray().length == 0) {
             EastRegionContainerPane.getInstance().setParameterHeight(30);
         } else {
+            //参数面板独立后只能这边触发调整高度，根据参数个数调整换行，计算高度
             EastRegionContainerPane.getInstance().setParameterHeight((getParameterArray().length + 5) / 6 * 30 + 80);
         }