🚨崩溃 NullReferenceException·FlowLineStudySceneMono.HideBtnBa · ttq9gi

*古古识字*
`since 2026.09.07 18:44:07`

***Classifier***
```csharp
NullReferenceException: Object reference not set to an instance of an object.```
***Callstack***
```csharp
[1].FlowLineStudySceneMono.HideBtnBack:0
[2].FlowLineStudySceneMono.OpenNewDialogue:0
[3].FlowLineGeneral.CallBackToGeneral:0
[4].UnityEngine.Events.UnityAction.Invoke:0
[5].HGuGuExtension+<_MyInvoke_Imp>d__208.MoveNext:0
[6].UnityEngine.SetupCoroutine.InvokeMoveNext:0
```
***Attributes***
platform: *IPhonePlayer*
os.version: *iPadOS 18.7.1*
device.model: *iPad15,3*
phone.number: *18655953488*
isPaid: ❌
currentWord: *天*
version: *2026.09.04*
scene.active: *01首页面*
playingLink: *开展情景对话*
lastLink: *开展情景对话*
secSinceLinkChange: *0.0*
secSinceLastFlowCall: *0.0*
clicksSinceLinkChange: *0*
shieldCount: *0*
dialogueBoxCount: *0*
isSynthetic: *false*
oplist:
```
[09-07 18:44:06] Flow: Mainline_AfterThreePartsInReview
[09-07 18:44:06] LoadSceneAsync: 01首页面
[09-07 18:44:06] 记住1年级的一键开始字:天
[09-07 18:44:03] Flow: StarBox_Three
[09-07 18:44:03] Flow: MainLine_ChallengeTogether_Finish
[09-07 18:43:31] Flow: MainLine_ChallengeTogether
[09-07 18:43:31] Flow: MainLine_GameWritingXXL_Finish
[09-07 18:43:31] Flow: MainLine_GameWritingXXL
[09-07 18:43:31] Flow: GameWritingXiaoXiaoLe_Finish
[09-07 18:43:21] Flow: MainLine_GameWritingXXL
```
#ph18655953488
#01首页面
#NullReferenceException
#Unhandled exception
#ver20260904
#iPad15,3
📸 [screenshot](https://bugsnap.cnaron.com/login/18655953488.iPad15.3.snap.2026.09.07.18.44.07.jpg)

附加现场（原 JSON 附件的内容）

【本地 opList（因果链，新→旧）】

[09-07 18:44:06] Flow: Mainline_AfterThreePartsInReview
[09-07 18:44:06] LoadSceneAsync: 01首页面
[09-07 18:44:06] 记住1年级的一键开始字:天
[09-07 18:44:03] Flow: StarBox_Three
[09-07 18:44:03] Flow: MainLine_ChallengeTogether_Finish
[09-07 18:43:31] Flow: MainLine_ChallengeTogether
[09-07 18:43:31] Flow: MainLine_GameWritingXXL_Finish
[09-07 18:43:31] Flow: MainLine_GameWritingXXL
[09-07 18:43:31] Flow: GameWritingXiaoXiaoLe_Finish
[09-07 18:43:21] Flow: MainLine_GameWritingXXL
[09-07 18:43:21] Flow: GameWritingXiaoXiaoLe_Finish
[09-07 18:43:12] Flow: MainLine_GameWritingXXL
[09-07 18:43:12] Flow: GameWritingXiaoXiaoLe_Finish
[09-07 18:43:00] Flow: MainLine_GameWritingXXL
[09-07 18:43:00] Flow: Mainline_GameCutFruitInReview_Finish
[09-07 18:42:34] Flow: Mainline_GameCutFruitInReview
[09-07 18:42:33] Flow: StarBox_Two
[09-07 18:42:33] Flow: Mainline_GameRecogInReview_Finish
[09-07 18:42:15] Flow: Mainline_GameRecogInReview
[09-07 18:42:15] Flow: Mainline_GiftBox_Finish
[09-07 18:41:48] Flow: Mainline_GiftBox
[09-07 18:41:48] Flow: Mainline_AvatarWearingGlasses_Finish
[09-07 18:41:30] Flow: Mainline_AvatarWearingGlasses
[09-07 18:41:30] Flow: Mainline_BubbleShooter_Finish
[09-07 18:41:13] Flow: Mainline_BubbleShooter
[09-07 18:41:11] Flow: StarBox_One
[09-07 18:41:11] Flow: Mainline_DrivingTrain_Finish
[09-07 18:40:51] Flow: Mainline_DrivingTrain
[09-07 18:40:51] Flow: GameCat_Finish
[09-07 18:39:58] Flow: GameCat

【前序异常（新→旧）】

[2026.09.07 18:44:07][Unhandled exception:FlowLineStudySceneMono.HideBtnBack () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026.09.06 18:13:32][Unhandled exception:GameRecogWordOnEveryBalloon.OnWrongUp () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026.09.02 18:13:00][Unhandled exception:FlowLineCultureWikiMono+<ShowContentAtPlayingAudio>d__27.MoveNext () (at <00000000000000000000000000000000>:0):UnityException: Transform child out of bounds]

【prefs（白名单）】

当前字: 天
本节课已学字: 山川天天
每节课学几个字: 4
手机号: 18655953488
购买的会员类型: 00000
本地存的最新版本号: 2026.09.04
是否首次安装_bool: False
消消乐放宽机型: EEBBK S5，EEBBK S4
识字断点: 天|CurrentWordExit

【最近 Debug.Log】

[18:44:05]  <color=#FFE08D>后台切回前台，下载数据</color> 
[18:44:06] [AudioStatus] Trigger: Application Unfocused | Enabled: True | Paused: False | Volume: 1
[18:44:06] From PHP：天
[18:44:06] 当前字是从PHP端返回的数据，不重新上传
[18:44:06] 其它场景的，都选择重新加载首页面
[18:44:06] 开始加载场景 01首页面
[18:44:06] [AudioStatus] Trigger: Application Focused | Enabled: True | Paused: False | Volume: 1
[18:44:06]  <color=#FFE08D>后台切回前台，下载数据</color> 
[BackEventManager] Scene unloaded: 03小猫场景, stack count: 4
[HomePage] 首页 OnEnable - 已刷新信息
[18:44:06] 01首页面 加载完成，用时 0.09 秒。
[HomePage] ========== 古古识字启动 ==========
[HomePage] 首页初始化完成
[BackEventManager] Registered: 首页, stack count: 5
[18:44:06] bannerFrom:  <color=#FFE08D>00000</color>