### 检查项 - [x] 我已在 [Issues 页面](https://github.com/PCL-Community/PCL2-CE/issues?q=is%3Aissue+) 中搜索，确认了这一 Bug 未被提交过 - [ ] 我确认只是全部选中而没有[仔细确认](https://github.com/PCL-Community/PCL2-CE/issues?q=is%3Aissue+)就直接提交了这个 Issue，并且同意这个 Issue 可以直接被关闭 - [x] 我确认正在使用当前更新分支的最新版 PCL CE，若不是，此 Issue 可能会被直接关闭（更新方式：启动器 `设置-关于-软件更新` 检查更新，或在 [Releases](https://github.com/PCL-Community/PCL2-CE/releases) 页面下载） - [x] 我确认会详细描述我所遇到的问题，并附上日志和截图，而不是随便填点东西敷衍了事。 ### 描述 程序打开后运行并点击选项卡，关闭程序弹出报错 <img width="836" height="515" alt="Image" src="https://github.com/user-attachments/assets/dcc07dbd-34ff-4a59-b5cb-bee1408cbdfa" /> <img width="531" height="444" alt="Image" src="https://github.com/user-attachments/assets/74c05a10-7dc3-4a01-aaa5-291beaad91d2" /> ### 重现步骤 1.双击打开程序 2.程序运行，点击几个选项卡 3.关闭程序 4.弹出报错，随程序结束消失 https://github.com/user-attachments/assets/a7ecb67d-9cac-45a8-91d6-c956cd6b1609 ### 日志与附件 [Launch-2026-2-28-052022434.log](https://github.com/user-attachments/files/25615353/Launch-2026-2-28-052022434.log) [05:20:36.198] [DBG] [Lifecycle/Shutdown] [系统|system] 生命周期 已停止 [05:20:36.247] [FTL!] [Animation] 动画帧执行失败 System.Threading.Tasks.TaskCanceledException: A task was canceled. at System.Windows.Threading.DispatcherOperation.Wait(TimeSpan timeout) at System.Windows.Threading.Dispatcher.InvokeImpl(DispatcherOperation operation, CancellationToken cancellationToken, TimeSpan timeout) at System.Windows.Threading.Dispatcher.Invoke(Action callback, DispatcherPriority priority, CancellationToken cancellationToken, TimeSpan timeout) at PCL.ModAnimation._Closure$__61-0._Lambda$__0()
检查项
设置-关于-软件更新检查更新，或在 Releases 页面下载）描述
程序打开后运行并点击选项卡，关闭程序弹出报错
重现步骤
1.双击打开程序
2.程序运行，点击几个选项卡
3.关闭程序
4.弹出报错，随程序结束消失
QQ20260228-052016.mp4
日志与附件
Launch-2026-2-28-052022434.log
[05:20:36.198] [DBG] [Lifecycle/Shutdown] [系统|system] 生命周期 已停止
[05:20:36.247] [FTL!] [Animation] 动画帧执行失败
System.Threading.Tasks.TaskCanceledException: A task was canceled.
at System.Windows.Threading.DispatcherOperation.Wait(TimeSpan timeout)
at System.Windows.Threading.Dispatcher.InvokeImpl(DispatcherOperation operation, CancellationToken cancellationToken, TimeSpan timeout)
at System.Windows.Threading.Dispatcher.Invoke(Action callback, DispatcherPriority priority, CancellationToken cancellationToken, TimeSpan timeout)
at PCL.ModAnimation._Closure$__61-0._Lambda$__0()