🚨崩溃 NullReferenceException·LessonController.ReturnToMainMen · rgqhn4

*古古识字*
`since 2026.08.27 15:23:07`

***Classifier***
```csharp
NullReferenceException: Object reference not set to an instance of an object.```
***Callstack***
```csharp
[1].LessonController.ReturnToMainMenu:0
[2].UnityEngine.Events.UnityAction.Invoke:0
[3].HGuGuExtension+<_MyInvoke_Imp>d__208.MoveNext:0
[4].UnityEngine.SetupCoroutine.InvokeMoveNext:0
```
***Attributes***
platform: *Android*
os.version: *Android OS 9 / API-28 (PPR1.180610.011/29401)*
device.model: *iFLYTEK ud710_ck10air_native*
phone.number: *15399576657*
isPaid: ✅
currentWord: *幸*
version: *2026.08.21*
scene.active: *00HomePage*
playingLink: *甲骨文卡片*
lastLink: *甲骨文卡片*
secSinceLinkChange: *206.1*
secSinceLastFlowCall: *-1*
clicksSinceLinkChange: *140*
shieldCount: *0*
dialogueBoxCount: *0*
isSynthetic: *false*
oplist:
```
[08-27 15:23:07] LoadScene: 00HomePage
[08-27 15:23:06] LoadScene: 00HomePage
[08-27 15:22:51] LoadSceneAsync: 01Lesson
[08-27 15:22:49] LoadScene: 00HomePage
[08-27 15:22:08] LoadSceneAsync: 01Lesson
[08-27 15:22:04] LoadScene: 00HomePage
[08-27 15:21:56] LoadSceneAsync: 01Lesson
[08-27 15:21:52] LoadScene: 00HomePage
[08-27 15:20:32] LoadSceneAsync: 01Lesson
[08-27 15:20:24] LoadScene: 00HomePage
```
#ph15399576657
#00HomePage
#NullReferenceException
#Unhandled exception
#ver20260821
#iFLYTEK ud710_ck10air_native
📸 [screenshot](https://bugsnap.cnaron.com/paid/15399576657.iFLYTEK ud710_ck10air_native.snap.2026.08.27.15.23.07.jpg)

附加现场（原 JSON 附件的内容）

【本地 opList（因果链，新→旧）】

[08-27 15:23:07] LoadScene: 00HomePage
[08-27 15:23:06] LoadScene: 00HomePage
[08-27 15:22:51] LoadSceneAsync: 01Lesson
[08-27 15:22:49] LoadScene: 00HomePage
[08-27 15:22:08] LoadSceneAsync: 01Lesson
[08-27 15:22:04] LoadScene: 00HomePage
[08-27 15:21:56] LoadSceneAsync: 01Lesson
[08-27 15:21:52] LoadScene: 00HomePage
[08-27 15:20:32] LoadSceneAsync: 01Lesson
[08-27 15:20:24] LoadScene: 00HomePage
[08-27 15:20:08] LoadSceneAsync: 01Lesson
[08-27 15:19:41] LoadScene: 00HomePage
[08-27 15:19:41] LoadSceneAsync: 02特色功能
[08-27 15:19:32] 记住1年级的一键开始字:幸
[08-27 15:19:32] LoadSceneAsync: 01首页面
[08-27 15:19:32] [Cloud]打开App0827-15:19：IFLYTEK UD710_CK10AIR_NATIVE@2026.08.21SNOP
[08-27 15:19:31] LoadScene: 00Load
[08-27 15:06:23] Flow: GameZuCi
[08-27 15:06:23] Flow: GamePinYin_Finish
[08-27 15:04:35] Flow: GamePinYin
[08-27 15:04:35] Flow: GameWritingXiaoXiaoLe_Finish
[08-27 15:03:59] Flow: GameWritingXiaoXiaoLe
[08-27 15:03:59] Flow: GameWritingZhaoZheXie_Finish
[08-27 15:03:40] Flow: GameWritingZhaoZheXie
[08-27 15:03:40] Flow: GameBbYellow_Finish
[08-27 15:03:40] Flow: GameBbYellow
[08-27 15:03:40] Flow: GameBbRed_Finish
[08-27 15:03:40] Flow: GameBbRed
[08-27 15:03:40] Flow: GameBbWhite_Finish
[08-27 15:03:40] Flow: GameBbWhite

【前序异常（新→旧）】

[2026.08.27 15:23:07][Unhandled exception:LessonController.ReturnToMainMenu () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026.06.24 18:00:39][Unhandled exception::DialogueBoxOnParentControl.<IsWrong>b__37_0 () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]

【prefs（白名单）】

当前字: 幸
本节课已学字: 光怀抱
每节课学几个字: 10
手机号: 15399576657
购买的会员类型: 11003
本地存的最新版本号: 2026.08.21
是否首次安装_bool: False
消消乐放宽机型: EEBBK S5，EEBBK S4
识字断点: 幸|GameZuCi

【最近 Debug.Log】

[LessonController] 进度更新: 100.0% (2/1)
[LessonController] 课程完成! 耗时: 13.4秒, 完成卡片: 1
[PinyinFlowCard] 游戏结束! 错题数: 0
[PinyinFlowCard] 游戏全部完成
[LessonController] 从结算弹窗确认退出
[LessonController] 执行返回主菜单逻辑...
[15:23:06] 开始加载场景 00HomePage
[LessonController] 场景加载请求已发送
[BackEventManager] Scene unloaded: 01Lesson, stack count: 0
[Audio] 已同步存档设置: SFX On=True, Volume=1
[15:23:06] 00HomePage 加载完成，用时 0.11 秒。
[HomePage] 初始化轮播器至索引: 19
[LessonController] 从结算弹窗确认退出
[LessonController] 执行返回主菜单逻辑...
[15:23:07] 开始加载场景 00HomePage