🚨崩溃 NullReferenceException·LessonController.ReturnToMainMen · kbp83n

*古古识字*
`since 2026.09.18 17:57:57`

***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 15 / API-35 (AQ3A.240912.001/OS2.0.207.0.VNSCNXM)*
device.model: *Xiaomi 2405CRPFDC*
phone.number: *18602563075*
isPaid: ✅
currentWord: *云*
version: *2026.08.21*
scene.active: *00HomePage*
playingLink: *甲骨文卡片*
lastLink: *甲骨文卡片*
secSinceLinkChange: *1297.7*
secSinceLastFlowCall: *-1*
clicksSinceLinkChange: *505*
shieldCount: *0*
dialogueBoxCount: *0*
isSynthetic: *false*
oplist:
```
[09-18 17:57:57] LoadScene: 00HomePage
[09-18 17:57:56] LoadScene: 00HomePage
[09-18 17:56:17] 记住1年级的一键开始字:云
[09-18 17:54:40] LoadSceneAsync: 01Lesson
[09-18 17:54:36] LoadScene: 00HomePage
[09-18 17:52:38] LoadSceneAsync: 01Lesson
[09-18 17:52:34] LoadScene: 00HomePage
[09-18 17:51:17] 记住1年级的一键开始字:云
[09-18 17:50:53] LoadSceneAsync: 01Lesson
[09-18 17:50:49] LoadScene: 00HomePage
```
#ph18602563075
#00HomePage
#NullReferenceException
#Unhandled exception
#ver20260821
#Xiaomi 2405CRPFDC
📸 [screenshot](https://bugsnap.cnaron.com/paid/18602563075.Xiaomi 2405CRPFDC.snap.2026.09.18.17.57.57.jpg)

附加现场（原 JSON 附件的内容）

【本地 opList（因果链，新→旧）】

[09-18 17:57:57] LoadScene: 00HomePage
[09-18 17:57:56] LoadScene: 00HomePage
[09-18 17:56:17] 记住1年级的一键开始字:云
[09-18 17:54:40] LoadSceneAsync: 01Lesson
[09-18 17:54:36] LoadScene: 00HomePage
[09-18 17:52:38] LoadSceneAsync: 01Lesson
[09-18 17:52:34] LoadScene: 00HomePage
[09-18 17:51:17] 记住1年级的一键开始字:云
[09-18 17:50:53] LoadSceneAsync: 01Lesson
[09-18 17:50:49] LoadScene: 00HomePage
[09-18 17:50:49] LoadScene: 00HomePage
[09-18 17:46:17] 记住1年级的一键开始字:云
[09-18 17:46:10] LoadSceneAsync: 01Lesson
[09-18 17:45:55] LoadScene: 00HomePage
[09-18 17:43:05] LoadSceneAsync: 01Lesson
[09-18 17:42:29] LoadScene: 00HomePage
[09-18 17:41:25] LoadSceneAsync: 01Lesson
[09-18 17:41:20] LoadScene: 00HomePage
[09-18 17:41:12] 记住1年级的一键开始字:云
[09-18 17:39:21] LoadSceneAsync: 01Lesson
[09-18 17:39:15] LoadScene: 00HomePage
[09-18 17:37:07] LoadSceneAsync: 01Lesson
[09-18 17:36:59] LoadScene: 00HomePage
[09-18 17:36:22] LoadSceneAsync: 01Lesson
[09-18 17:36:19] LoadScene: 00HomePage
[09-18 17:36:19] LoadSceneAsync: 02特色功能
[09-18 17:36:11] 记住1年级的一键开始字:云
[09-18 17:36:11] LoadSceneAsync: 01首页面
[09-18 17:36:11] [Cloud]打开App0918-17:36：XIAOMI 2405CRPFDC@2026.08.21SNOP
[09-18 17:36:10] LoadScene: 00Load

【前序异常（新→旧）】

[2026.09.18 17:57:57][Unhandled exception:LessonController.ReturnToMainMenu () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026.09.18 17:50:49][Unhandled exception:LessonController.ReturnToMainMenu () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026.08.30 20:55:44][Unhandled exception:GameRecogWordOnEveryBalloon.OnWrongUp () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]

【prefs（白名单）】

当前字: 云
本节课已学字: 美蓝
每节课学几个字: 3
手机号: 18602563075
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: 云|GameFeiHuaLing

【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: 193.5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...
[17:57:56] 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
[17:57:56] 00HomePage 加载完成，用时 0.05 秒。
[HomePage] 初始化轮播器至索引: 13
[LessonController] 从结算弹窗确认退出
[LessonController] 执行返回主菜单逻辑...
[17:57:57] 开始加载场景 00HomePage