From 723c825df2136a764f61f64e2b8f293b3a546e73 Mon Sep 17 00:00:00 2001
From: CJK_mkp <113243675+CJKmkp@users.noreply.github.com>
Date: Mon, 18 Aug 2025 17:42:36 +0800
Subject: [PATCH] =?UTF-8?q?fix:=E5=85=B3=E6=9C=BA=E6=97=B6=E4=B8=8D?=
 =?UTF-8?q?=E4=BF=9D=E5=AD=98=E4=BD=BF=E7=94=A8=E6=95=B0=E6=8D=AE?=
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---
 Ink Canvas/App.xaml.cs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Ink Canvas/App.xaml.cs b/Ink Canvas/App.xaml.cs
index e3ac9b51..aed955f9 100644
--- a/Ink Canvas/App.xaml.cs	
+++ b/Ink Canvas/App.xaml.cs	
@@ -338,6 +338,13 @@ namespace Ink_Canvas
                 WriteCrashLog($"最后错误信息: {lastErrorMessage}");
             }
         }
+        
+        // 新增：关机保存使用时间数据
+        private void SystemEvents_SessionEnding(object sender, SessionEndingEventArgs e)
+        {
+             string reason = e.Reason == SessionEndReasons.Logoff ? "用户注销" : "系统关机";
+             DeviceIdentifier.SaveUsageStatsOnShutdown();
+        }
 
         // 新增：记录崩溃日志
         private static void WriteCrashLog(string message)