🚨崩溃 NullReferenceException·LessonController.ReturnToMainMen · trmerf

*古古识字*
`since 2026.08.26 17:02:22`

***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 12 / API-31 (HUAWEIWGR-W09/104.2.0.213C00)*
device.model: *HUAWEI WGR-W09*
phone.number: *18609097520*
isPaid: ✅
currentWord: *一*
version: *2026.08.21*
scene.active: *00HomePage*
playingLink: *甲骨文卡片*
lastLink: *甲骨文卡片*
secSinceLinkChange: *59.9*
secSinceLastFlowCall: *62.1*
clicksSinceLinkChange: *111*
shieldCount: *0*
dialogueBoxCount: *0*
isSynthetic: *false*
oplist:
```
[08-26 17:02:22] LoadScene: 00HomePage
[08-26 17:02:22] LoadScene: 00HomePage
[08-26 17:02:02] LoadSceneAsync: 01Lesson
[08-26 17:01:59] LoadScene: 00HomePage
[08-26 17:01:29] LoadSceneAsync: 01Lesson
[08-26 17:01:22] LoadScene: 00HomePage
[08-26 17:01:22] LoadSceneAsync: 02特色功能
[08-26 17:01:20] LoadSceneAsync: 01首页面
[08-26 17:01:20] LoadScene: 02特色功能
[08-26 17:01:20] Flow: BtnBack_OnClick
```
#ph18609097520
#00HomePage
#NullReferenceException
#Unhandled exception
#ver20260821
#HUAWEI WGR-W09
📸 [screenshot](https://bugsnap.cnaron.com/paid/18609097520.HUAWEI WGR-W09.snap.2026.08.26.17.02.22.jpg)

附加现场（原 JSON 附件的内容）

【本地 opList（因果链，新→旧）】

[08-26 17:02:22] LoadScene: 00HomePage
[08-26 17:02:22] LoadScene: 00HomePage
[08-26 17:02:02] LoadSceneAsync: 01Lesson
[08-26 17:01:59] LoadScene: 00HomePage
[08-26 17:01:29] LoadSceneAsync: 01Lesson
[08-26 17:01:22] LoadScene: 00HomePage
[08-26 17:01:22] LoadSceneAsync: 02特色功能
[08-26 17:01:20] LoadSceneAsync: 01首页面
[08-26 17:01:20] LoadScene: 02特色功能
[08-26 17:01:20] Flow: BtnBack_OnClick
[08-26 17:01:16] LoadSceneAsync: 03消消乐批量查看
[08-26 17:01:16] 点击字卡的写字练习
[08-26 17:01:11] LoadScene: 02特色功能
[08-26 17:01:11] Flow: BtnBack_OnClick
[08-26 17:01:10] 断点恢复补判横幅
[08-26 17:01:10] Flow: GameNewWordEnter_Begin_NotCareFinish_OnlyForShowing
[08-26 17:01:10] 开始学习字[鳜]
[08-26 17:01:10] Flow: WhichLinkShouldBe_CurrentWordBegin
[08-26 17:01:10] LoadSceneAsync: 03识字模块
[08-26 17:01:10] 点击字卡的重新学习
[08-26 17:01:07] LoadScene: 02特色功能
[08-26 17:01:07] Flow: BtnBack_OnClick
[08-26 17:01:06] 断点恢复补判横幅
[08-26 17:01:06] Flow: GameNewWordEnter_Begin_NotCareFinish_OnlyForShowing
[08-26 17:01:06] 开始学习字[鳜]
[08-26 17:01:06] Flow: WhichLinkShouldBe_CurrentWordBegin
[08-26 17:01:05] LoadSceneAsync: 03识字模块
[08-26 17:01:05] 点击字卡的重新学习
[08-26 17:01:03] LoadScene: 02特色功能
[08-26 17:01:03] Flow: BtnBack_OnClick

【前序异常（新→旧）】

[2026.08.26 17:02:22][Unhandled exception:LessonController.ReturnToMainMenu () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026.08.23 13:37:08][Unhandled exception:GameWritingXiaoXiaoLeMonoNew.ChangeFruitImage () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026.08.22 13:20:41][Unhandled exception:GameWritingXiaoXiaoLeMonoNew.ChangeFruitImage () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026-08-22 12:42:08] [System.Collections.Generic.Dictionary`2::get_Item:0] KeyNotFoundException: The given key was not present in the dictionary. | errorMessage
[2026.08.20 18:38:37][Unhandled exception::DialogueBoxOnParentControl.<IsWrong>b__37_0 () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026-08-17 16:58:09] [System.Collections.Generic.Dictionary`2::get_Item:0] KeyNotFoundException: The given key was not present in the dictionary. | errorMessage
[2026-06-19 10:30:30] [System.Collections.Generic.Dictionary`2::get_Item:0] KeyNotFoundException: The given key was not present in the dictionary. | errorMessage
[2026-06-07 23:20:01] [System.Collections.Generic.Dictionary`2::get_Item:0] KeyNotFoundException: The given key was not present in the dictionary. | errorMessage
[2026-06-07 23:04:05] [System.Collections.Generic.Dictionary`2::get_Item:0] KeyNotFoundException: The given key was not present in the dictionary. | errorMessage
[2026-06-07 10:28:01] [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: 一
本节课已学字: 咀
每节课学几个字: 3
手机号: 18609097520
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|GamePinYin

【最近 Debug.Log】

[LessonController] 进度更新: 100.0% (2/1)
[LessonController] 课程完成! 耗时: 15.4秒, 完成卡片: 1
[PinyinFlowCard] 游戏结束! 错题数: 0
[PinyinFlowCard] 游戏全部完成
[LessonController] 用户点击退出按钮
[LessonController] 执行返回主菜单逻辑...
[17:02:22] 开始加载场景 00HomePage
[LessonController] 场景加载请求已发送
[BackEventManager] Scene unloaded: 01Lesson, stack count: 34
[Audio] 已同步存档设置: SFX On=True, Volume=1
[17:02:22] 00HomePage 加载完成，用时 0.12 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...
[17:02:22] 开始加载场景 00HomePage