From 3db5c3218f405795dc9a2d0f6afdde8ab8ac9e73 Mon Sep 17 00:00:00 2001
From: JLChen <551775569@qq.com>
Date: 星期二, 23 十一月 2021 09:11:30 +0800
Subject: [PATCH] Merge branch 'WJC' of http://172.16.1.23:6688/r/~wxr/HDL_APP_Project into WJC

---
 HDL_ON/UI/UI0-Public/PublicAssmebly.cs |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/HDL_ON/UI/UI0-Public/PublicAssmebly.cs b/HDL_ON/UI/UI0-Public/PublicAssmebly.cs
index ffff590..33dacc8 100644
--- a/HDL_ON/UI/UI0-Public/PublicAssmebly.cs
+++ b/HDL_ON/UI/UI0-Public/PublicAssmebly.cs
@@ -513,7 +513,11 @@
                 if (showedTime.AddSeconds(30) > DateTime.Now)
                 {
                     thread.Abort();
-                    waitPage.RemoveFromParent();
+                    if (waitPage != null)
+                    {
+                        waitPage.RemoveFromParent();
+                        waitPage = null;
+                    }
                 }
             };
             thread.Start();

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