From 5503c1c7a9a40111e2a4efc8cb888808379a00cb Mon Sep 17 00:00:00 2001
From: plough <plough@fanruan.com>
Date: Mon, 11 Dec 2017 14:34:55 +0800
Subject: [PATCH] =?UTF-8?q?REPORT-4634=20=E7=BB=84=E4=BB=B6=E5=8F=A0?=
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---
 designer_form/src/com/fr/design/mainframe/ComponentTree.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/designer_form/src/com/fr/design/mainframe/ComponentTree.java b/designer_form/src/com/fr/design/mainframe/ComponentTree.java
index f5e8936d3f..6779dfa037 100644
--- a/designer_form/src/com/fr/design/mainframe/ComponentTree.java
+++ b/designer_form/src/com/fr/design/mainframe/ComponentTree.java
@@ -72,8 +72,9 @@ public class ComponentTree extends JTree {
 
     @Override
     public void removeAll() {
-        if (previewPane != null && previewPane.isVisible()) {
+        if (previewPane != null) {
             previewPane.setVisible(false);
+            previewPane.removeAll();
         }
         super.removeAll();
     }