🚨崩溃 NullReferenceException·LessonController.ReturnToMainMen · kaafb7

*古古识字*
`since 2026.09.03 17:27:07`

***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 10 / API-29 (HUAWEIBZH5-W00/103.0.0.210ENTC308)*
device.model: *HUAWEI BZH5-W00*
phone.number: *18030355302*
isPaid: ✅
currentWord: *广*
version: *2026.08.21*
scene.active: *00HomePage*
playingLink: *记忆曲线复习*
lastLink: *记忆曲线复习*
secSinceLinkChange: *373.8*
secSinceLastFlowCall: *345.2*
clicksSinceLinkChange: *295*
shieldCount: *0*
dialogueBoxCount: *0*
isSynthetic: *false*
oplist:
```
[09-03 17:27:07] LoadScene: 00HomePage
[09-03 17:27:06] LoadScene: 00HomePage
[09-03 17:25:46] 记住1年级的一键开始字:广
[09-03 17:25:25] LoadSceneAsync: 01Lesson
[09-03 17:25:21] LoadScene: 00HomePage
[09-03 17:24:10] LoadSceneAsync: 01Lesson
[09-03 17:24:02] LoadScene: 00HomePage
[09-03 17:23:53] LoadSceneAsync: 01Lesson
[09-03 17:23:43] LoadScene: 00HomePage
[09-03 17:23:25] LoadSceneAsync: 01Lesson
```
#ph18030355302
#00HomePage
#NullReferenceException
#Unhandled exception
#ver20260821
#HUAWEI BZH5-W00
📸 [screenshot](https://bugsnap.cnaron.com/paid/18030355302.HUAWEI BZH5-W00.snap.2026.09.03.17.27.07.jpg)

附加现场（原 JSON 附件的内容）

【本地 opList（因果链，新→旧）】

[09-03 17:27:07] LoadScene: 00HomePage
[09-03 17:27:06] LoadScene: 00HomePage
[09-03 17:25:46] 记住1年级的一键开始字:广
[09-03 17:25:25] LoadSceneAsync: 01Lesson
[09-03 17:25:21] LoadScene: 00HomePage
[09-03 17:24:10] LoadSceneAsync: 01Lesson
[09-03 17:24:02] LoadScene: 00HomePage
[09-03 17:23:53] LoadSceneAsync: 01Lesson
[09-03 17:23:43] LoadScene: 00HomePage
[09-03 17:23:25] LoadSceneAsync: 01Lesson
[09-03 17:23:22] LoadScene: 00HomePage
[09-03 17:22:43] LoadSceneAsync: 01Lesson
[09-03 17:22:39] LoadScene: 00HomePage
[09-03 17:21:32] LoadSceneAsync: 01Lesson
[09-03 17:21:28] LoadScene: 00HomePage
[09-03 17:21:28] Main Menu: OnClickVerticalPoetryTitle
[09-03 17:21:22] Main Menu: OnTriggerEnterOracle
[09-03 17:21:22] Main Menu: OnTriggerEnterAnim
[09-03 17:21:22] Main Menu: OnTriggerExitAnim
[09-03 17:21:22] Main Menu: OnTriggerEnterAnim
[09-03 17:21:22] Main Menu: OnTriggerExitAnim
[09-03 17:21:22] Main Menu: OnTriggerEnterAnim
[09-03 17:21:22] Main Menu: OnTriggerExitAnim
[09-03 17:21:22] Main Menu: OnTriggerEnterAnim
[09-03 17:21:22] Main Menu: OnTriggerMiddleLine
[09-03 17:21:22] Main Menu: CheckDialogueQueue_Finish
[09-03 17:21:22] Main Menu: CheckDialogueQueue
[09-03 17:21:22] LoadScene: 01-首页面-古典模式
[09-03 17:21:22] Flow: BtnBack_OnClick
[09-03 17:21:13] LoadScene: 00HomePage

【前序异常（新→旧）】

[2026.09.03 17:27:07][Unhandled exception:LessonController.ReturnToMainMenu () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026.08.27 21:17:18][Unhandled exception:LessonController.ReturnToMainMenu () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]

【prefs（白名单）】

当前字: 广
本节课已学字: 
每节课学几个字: 3
手机号: 18030355302
购买的会员类型: 11009
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: 广|GameBbRed

【最近 Debug.Log】

[LessonController] 连对数变化: 3
Answer result: Correct, Accuracy: 90.00%, Current streak: 3
[LessonController] 进度更新: 100.0% (15/14)
[LessonController] 课程完成! 耗时: 99.2秒, 完成卡片: 14
[LessonController] 从结算弹窗确认退出
[LessonController] 执行返回主菜单逻辑...
[17:27:06] 开始加载场景 00HomePage
[LessonController] 场景加载请求已发送
[BackEventManager] Scene unloaded: 01Lesson, stack count: 1
[Audio] 已同步存档设置: SFX On=True, Volume=1
[17:27:07] 00HomePage 加载完成，用时 0.13 秒。
[HomePage] 初始化轮播器至索引: 4
[LessonController] 从结算弹窗确认退出
[LessonController] 执行返回主菜单逻辑...
[17:27:07] 开始加载场景 00HomePage