🚨崩溃 NullReferenceException·LessonController.ReturnToMainMen · it8h9b

*古古识字*
`since 2026.09.07 18:24:31`

***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 16 / API-36 (BP2A.250605.031.A3/OS3.0.304.0.WOTCNXM)*
device.model: *Xiaomi 25053RP5CC*
phone.number: *18768748328*
isPaid: ❌
currentWord: *菜*
version: *2026.09.01*
scene.active: *00HomePage*
playingLink: *甲骨文卡片*
lastLink: *甲骨文卡片*
secSinceLinkChange: *1061.0*
secSinceLastFlowCall: *-1*
clicksSinceLinkChange: *661*
shieldCount: *0*
dialogueBoxCount: *0*
isSynthetic: *false*
oplist:
```
[09-07 18:24:31] LoadScene: 00HomePage
[09-07 18:24:31] LoadScene: 00HomePage
[09-07 18:10:22] LoadSceneAsync: 01Lesson
[09-07 18:10:17] LoadScene: 00HomePage
[09-07 18:10:17] LoadSceneAsync: 02特色功能
[09-07 18:10:16] LoadScene: 01首页面
[09-07 18:10:14] LoadScene: 00HomePage
[09-07 18:09:38] LoadSceneAsync: 01Lesson
[09-07 18:09:33] LoadScene: 00HomePage
[09-07 18:09:33] LoadSceneAsync: 02特色功能
```
#ph18768748328
#00HomePage
#NullReferenceException
#Unhandled exception
#ver20260901
#Xiaomi 25053RP5CC
📸 [screenshot](https://bugsnap.cnaron.com/login/18768748328.Xiaomi 25053RP5CC.snap.2026.09.07.18.24.31.jpg)

附加现场（原 JSON 附件的内容）

【本地 opList（因果链，新→旧）】

[09-07 18:24:31] LoadScene: 00HomePage
[09-07 18:24:31] LoadScene: 00HomePage
[09-07 18:10:22] LoadSceneAsync: 01Lesson
[09-07 18:10:17] LoadScene: 00HomePage
[09-07 18:10:17] LoadSceneAsync: 02特色功能
[09-07 18:10:16] LoadScene: 01首页面
[09-07 18:10:14] LoadScene: 00HomePage
[09-07 18:09:38] LoadSceneAsync: 01Lesson
[09-07 18:09:33] LoadScene: 00HomePage
[09-07 18:09:33] LoadSceneAsync: 02特色功能
[09-07 18:09:32] LoadScene: 01首页面
[09-07 18:09:29] LoadScene: 00HomePage
[09-07 18:06:52] LoadSceneAsync: 01Lesson
[09-07 18:06:50] LoadScene: 00HomePage
[09-07 18:06:50] LoadSceneAsync: 02特色功能
[09-07 18:05:15] [Cloud]XIAOMI 25053RP5CC更新了App，从2026.06.30到2026.09.01
[09-07 18:05:14] LoadSceneAsync: 01首页面
[09-07 18:05:14] [Cloud]打开App0907-18:05：XIAOMI 25053RP5CC@2026.09.01SNOP
[09-07 18:05:14] LoadScene: 00Load
[08-26 11:36:25] LoadScene: 01首页面
[08-26 11:36:11] LoadScene: 00HomePage
[08-26 11:33:41] LoadSceneAsync: 01Lesson
[08-26 11:33:38] LoadScene: 00HomePage
[08-26 11:33:38] LoadSceneAsync: 02特色功能
[08-26 11:33:37] LoadScene: 01首页面
[08-26 11:33:34] LoadScene: 00HomePage
[08-26 11:32:51] LoadSceneAsync: 01Lesson
[08-26 11:32:47] LoadScene: 00HomePage
[08-26 11:32:47] LoadSceneAsync: 02特色功能
[08-26 11:32:25] LoadSceneAsync: 01首页面

【前序异常（新→旧）】

[2026.09.07 18:24:31][Unhandled exception:LessonController.ReturnToMainMenu () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026-07-24 10:05:49] [System.Collections.Generic.Dictionary`2::get_Item:0] KeyNotFoundException: The given key was not present in the dictionary. | errorMessage

【prefs（白名单）】

当前字: 菜
本节课已学字: 
每节课学几个字: 4
手机号: 18768748328
购买的会员类型: 00000_11007
本地存的最新版本号: 2026.09.01
是否首次安装_bool: False
消消乐放宽机型: EEBBK S5，EEBBK S4
识字断点: 会|CurrentWordExit

【最近 Debug.Log】

[LessonController] 连对数变化: 0
Answer result: Incorrect, Accuracy: 0.00%, Current streak: 0
[LessonController] 进度更新: 100.0% (2/1)
[LessonController] 课程完成! 耗时: 847.2秒, 完成卡片: 1
[LessonController] 从结算弹窗确认退出
[LessonController] 执行返回主菜单逻辑...
[18:24:31] 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
[18:24:31] 00HomePage 加载完成，用时 0.08 秒。
[HomePage] 初始化轮播器至索引: 20
[LessonController] 从结算弹窗确认退出
[LessonController] 执行返回主菜单逻辑...
[18:24:31] 开始加载场景 00HomePage