🚨崩溃 NullReferenceException·LessonController.ReturnToMainMen · f4n3f9

*古古识字*
`since 2026.09.24 17:42:25`

***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: *IPhonePlayer*
os.version: *iPadOS 26.6.1*
device.model: *iPad13,18*
phone.number: *13330264466*
isPaid: ✅
currentWord: *冰*
version: *2026.08.21*
scene.active: *00HomePage*
playingLink: *甲骨文卡片*
lastLink: *甲骨文卡片*
secSinceLinkChange: *357.9*
secSinceLastFlowCall: *-1*
clicksSinceLinkChange: *171*
shieldCount: *0*
dialogueBoxCount: *0*
isSynthetic: *false*
oplist:
```
[09-24 17:42:25] LoadScene: 00HomePage
[09-24 17:42:25] LoadScene: 00HomePage
[09-24 17:40:47] LoadSceneAsync: 01Lesson
[09-24 17:40:41] LoadScene: 00HomePage
[09-24 17:40:23] 记住1年级的一键开始字:冰
[09-24 17:39:17] LoadSceneAsync: 01Lesson
[09-24 17:39:05] LoadScene: 00HomePage
[09-24 17:36:38] LoadSceneAsync: 01Lesson
[09-24 17:36:27] LoadScene: 00HomePage
[09-24 17:36:27] LoadSceneAsync: 02特色功能
```
#ph13330264466
#00HomePage
#NullReferenceException
#Unhandled exception
#ver20260821
#iPad13,18
📸 [screenshot](https://bugsnap.cnaron.com/paid/13330264466.iPad13.18.snap.2026.09.24.17.42.25.jpg)

附加现场（原 JSON 附件的内容）

【本地 opList（因果链，新→旧）】

[09-24 17:42:25] LoadScene: 00HomePage
[09-24 17:42:25] LoadScene: 00HomePage
[09-24 17:40:47] LoadSceneAsync: 01Lesson
[09-24 17:40:41] LoadScene: 00HomePage
[09-24 17:40:23] 记住1年级的一键开始字:冰
[09-24 17:39:17] LoadSceneAsync: 01Lesson
[09-24 17:39:05] LoadScene: 00HomePage
[09-24 17:36:38] LoadSceneAsync: 01Lesson
[09-24 17:36:27] LoadScene: 00HomePage
[09-24 17:36:27] LoadSceneAsync: 02特色功能
[09-24 17:36:24] LoadSceneAsync: 01首页面
[09-24 17:36:20] LoadSceneAsync: 02特色功能
[09-24 17:36:17] LoadSceneAsync: 01首页面
[09-24 17:35:31] LoadSceneAsync: 02特色功能
[09-24 17:35:22] 记住1年级的一键开始字:冰
[09-24 17:35:22] LoadSceneAsync: 01首页面
[09-24 17:35:22] [Cloud]打开App0924-17:35：IPAD13,18@2026.08.21SNOP
[09-24 17:35:22] LoadScene: 00Load
[09-23 21:28:26] 记住1年级的一键开始字:冰
[09-23 21:28:24] LoadSceneAsync: 01首页面
[09-23 21:28:24] [Cloud]打开App0923-21:28：IPAD13,18@2026.08.21SNOP
[09-23 21:28:24] LoadScene: 00Load
[09-20 20:20:24] [Cloud]学习成语[丑小鸭-1]
[09-20 20:20:05] 成语故事已学戳[曾子杀猪]
[09-20 20:18:51] [Cloud]学习成语[曾子杀猪]
[09-20 20:18:25] [Cloud]学习成语[闻鸡起舞]
[09-20 20:17:36] 成语故事已学戳[哪吒闹海]
[09-20 20:17:16] 记住1年级的一键开始字:冰
[09-20 20:15:54] [Cloud]学习成语[哪吒闹海]
[09-20 20:14:57] [Cloud]学习成语[凿壁借光]

【前序异常（新→旧）】

[2026.09.24 17:42:25][Unhandled exception:LessonController.ReturnToMainMenu () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026.08.28 06:30:34][Unhandled exception:UnityEngine.UI.InputField.LateUpdate () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026.08.26 20:09:00][Unhandled exception:UnityEngine.UI.InputField.LateUpdate () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026.08.25 21:03:02][Unhandled exception:UnityEngine.UI.InputField.LateUpdate () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]

【prefs（白名单）】

当前字: 冰
本节课已学字: 
每节课学几个字: 3
手机号: 13330264466
购买的会员类型: 11001
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: 原|CurrentWordExit

【最近 Debug.Log】

[LessonController] 连对数变化: 4
Answer result: Correct, Accuracy: 77.78%, Current streak: 4
[LessonController] 进度更新: 100.0% (12/11)
[LessonController] 课程完成! 耗时: 95.6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...
[17:42:25] 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
[17:42:25] 00HomePage 加载完成，用时 0.05 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...
[17:42:25] 开始加载场景 00HomePage