检查清单
期望的行为
将临时课表当作普通课表一样复制
实际结果
点击确认按钮后没有创建预期的课表（无事发生），日志中有相关warning
重现步骤
尝试新建课表时复制临时课表，然后点击创建（见下图）
截图/录屏（可选，建议）
堆栈跟踪（可选）
[2026/3/7 17:49:54] [Warning] ClassIsland.Services.Logging.AvaloniaLoggingSink:
[Binding] An error occurred binding 'ItemsSource' to 'TimeLayouts.List' at 'TimeLayouts': 'Value is null.' (ComboBox #66912234)
[2026/3/7 17:49:54] [Warning] ClassIsland.Services.Logging.AvaloniaLoggingSink:
[Binding] An error occurred binding 'ItemsSource' to 'ClassPlans.List' at 'ClassPlans': 'Value is null.' (ComboBox #65339197)
诊断信息
SystemOsVersion: Arch Linux
SystemOsArch: X64
SystemDeviceName: 90T1002XCP
SystemDeviceVendor: LENOVO
AppPackageRoot: /home/alray/Downloads/ClassIsland_app_linux_x64_selfContained_folder
AppRoot: /home/alray/Downloads/ClassIsland_app_linux_x64_selfContained_folder/data
AppCurrentDirectory: /home/alray/Downloads/ClassIsland_app_linux_x64_selfContained_folder/app-2.0.3.0-0
AppExecutingEntrance: /home/alray/Downloads/ClassIsland_app_linux_x64_selfContained_folder/ClassIsland
AppCurrentMemoryUsage: 692.14 MiB(725757952 Bytes)
AppStartupDurationMs: 2505
AppVersion: 2.0.3.0-LiliyaOlenyeva-fbee640(HEAD) (Core 2.0.0.0)
AppSubChannel: linux_x64_selfContained_folder
AppLoadedPlugin:
AppIsAssetsTrimmed: False
DiagnosticFirstLaunchTime: 2026/3/7 17:45:01
DiagnosticStartupCount: 2
DiagnosticMemoryKillCount: 0
DiagnosticLastMemoryKillTime: 2026/3/7 17:45:01
DiagnosticMemoryKillFreqDay: 0.000
注：相同的问题在班级大屏同样可以复现
最后一步
检查清单
期望的行为
将临时课表当作普通课表一样复制
实际结果
点击确认按钮后没有创建预期的课表（无事发生），日志中有相关warning
重现步骤
尝试新建课表时复制临时课表，然后点击创建（见下图）
截图/录屏（可选，建议）
堆栈跟踪（可选）
诊断信息
最后一步