🚨崩溃 NullReferenceException·LessonController.ReturnToMainMen · n8mwv3

*古古识字*
`since 2026.09.21 17:54:05`

***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 (HUAWEICMR-W09/9.1.0.329C00)*
device.model: *HUAWEI CMR-W09*
phone.number: *15908808283*
isPaid: ✅
currentWord: *一*
version: *2026.08.21*
scene.active: *00HomePage*
playingLink: *甲骨文卡片*
lastLink: *甲骨文卡片*
secSinceLinkChange: *255190.1*
secSinceLastFlowCall: *346539.1*
clicksSinceLinkChange: *251*
shieldCount: *0*
dialogueBoxCount: *0*
isSynthetic: *false*
oplist:
```
[09-21 17:54:05] LoadScene: 00HomePage
[09-21 17:54:05] LoadScene: 00HomePage
[09-21 17:53:51] 记住1年级的一键开始字:一
[09-21 17:52:25] LoadSceneAsync: 01Lesson
[09-21 17:52:22] LoadScene: 00HomePage
[09-21 17:51:55] LoadSceneAsync: 01Lesson
[09-21 17:51:51] LoadScene: 00HomePage
[09-18 19:04:04] LoadSceneAsync: 01Lesson
[09-18 19:03:52] LoadScene: 00HomePage
[09-18 19:03:51] LoadScene: 00HomePage
```
#ph15908808283
#00HomePage
#NullReferenceException
#Unhandled exception
#ver20260821
#HUAWEI CMR-W09
📸 [screenshot](https://bugsnap.cnaron.com/paid/15908808283.HUAWEI CMR-W09.snap.2026.09.21.17.54.05.jpg)

附加现场（原 JSON 附件的内容）

【本地 opList（因果链，新→旧）】

[09-21 17:54:05] LoadScene: 00HomePage
[09-21 17:54:05] LoadScene: 00HomePage
[09-21 17:53:51] 记住1年级的一键开始字:一
[09-21 17:52:25] LoadSceneAsync: 01Lesson
[09-21 17:52:22] LoadScene: 00HomePage
[09-21 17:51:55] LoadSceneAsync: 01Lesson
[09-21 17:51:51] LoadScene: 00HomePage
[09-18 19:04:04] LoadSceneAsync: 01Lesson
[09-18 19:03:52] LoadScene: 00HomePage
[09-18 19:03:51] LoadScene: 00HomePage
[09-18 19:01:51] LoadSceneAsync: 01Lesson
[09-18 19:01:47] LoadScene: 00HomePage
[09-18 19:01:25] LoadSceneAsync: 01Lesson
[09-18 19:01:22] LoadScene: 00HomePage
[09-18 19:01:19] 记住1年级的一键开始字:一
[09-18 19:00:59] LoadSceneAsync: 01Lesson
[09-18 19:00:55] LoadScene: 00HomePage
[09-18 19:00:55] LoadSceneAsync: 02特色功能
[09-17 17:38:26] LoadScene: 01首页面
[09-17 17:38:26] Flow: BtnBack_OnClick
[09-17 17:38:20] 每日复习强制提示弹窗已展示
[09-17 17:38:20] 开始记忆曲线复习
[09-17 17:38:20] Flow: DailyReview
[09-17 17:38:20] LoadSceneAsync: 03小猫场景
[09-17 17:38:19] 记住1年级的一键开始字:一
[09-17 17:38:17] LoadScene: 01首页面
[09-17 17:38:17] Flow: BtnBack_OnClick
[09-17 17:38:15] 每日复习强制提示弹窗已展示
[09-17 17:38:15] 开始记忆曲线复习
[09-17 17:38:15] Flow: DailyReview

【前序异常（新→旧）】

[2026.09.21 17:54:05][Unhandled exception:LessonController.ReturnToMainMenu () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026.09.18 19:03:52][Unhandled exception:LessonController.ReturnToMainMenu () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026.05.19 18:07:26][Unhandled exception::FlowLineGameZuCiMono.MixOptions (System.String currentWord) (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]

【prefs（白名单）】

当前字: 一
本节课已学字: 我他
每节课学几个字: 4
手机号: 15908808283
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: 一|GameZuCi

【最近 Debug.Log】

[LessonController] 连对数变化: 3
Answer result: Correct, Accuracy: 87.50%, Current streak: 3
[LessonController] 进度更新: 100.0% (12/11)
[LessonController] 课程完成! 耗时: 97.7秒, 完成卡片: 11
[LessonController] 从结算弹窗确认退出
[LessonController] 执行返回主菜单逻辑...
[17:54:05] 开始加载场景 00HomePage
[LessonController] 场景加载请求已发送
[BackEventManager] Scene unloaded: 01Lesson, stack count: 2
[Audio] 已同步存档设置: SFX On=True, Volume=1
[17:54:05] 00HomePage 加载完成，用时 0.16 秒。
[HomePage] 初始化轮播器至索引: 1
[LessonController] 从结算弹窗确认退出
[LessonController] 执行返回主菜单逻辑...
[17:54:05] 开始加载场景 00HomePage