diff --git a/designer/src/com/fr/design/mainframe/bbs/BBSDialog.java b/designer/src/com/fr/design/mainframe/bbs/BBSDialog.java
index 8dbdd0acf2..856e9264a1 100644
--- a/designer/src/com/fr/design/mainframe/bbs/BBSDialog.java
+++ b/designer/src/com/fr/design/mainframe/bbs/BBSDialog.java
@@ -143,9 +143,8 @@ public class BBSDialog extends UIDialog {
      * 提供给web页面调用的关闭窗口
      */
     public void closeWindow() {
-        this.setDefaultCloseOperation(JDialog.DO_NOTHING_ON_CLOSE);
+        this.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
         this.setVisible(false);
-        this.dispose();
     }
     /**
      * 略