Flutter 在为performLayout（）RenderConstomMultiChildLayoutBox对象指定无限大的过程中引发了以下断言

我试图通过使用title作为集合字段来创建一个ExpansionTileList，通过使用示例，其中的ListTile是子集合 但是，当我运行这段代码时，我会出现黑屏，我不明白是什么让它发生 这是我的密码：

class PackagesPage extends StatefulWidget {
  final DocumentSnapshot documentID;
  final Firestore firestore;
  PackagesPage({this.documentID, this.firestore});

  @override
  PackagesPageState createState() => PackagesPageState();
}

class PackagesPageState extends State<PackagesPage> {
  @override
  void initState(){
    super.initState();
  }
  void showSnackBar(BuildContext context){
    var snackBar = SnackBar(
      content: Text("Voulez vous Acheter le service?"),
      action: SnackBarAction(
          label: "OUI",
          onPressed: (){
            PaiementStripe().buyService(priceService);
          }
      ),
    );
    Scaffold.of(context).showSnackBar(snackBar);
  }
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Services'),
        backgroundColor: Colors.deepOrangeAccent[400],
      ),
      floatingActionButton:  FloatingActionButton(
        heroTag: 'fab1',
        onPressed: (){
          showSnackBar(context);
        },
        child: Icon(
            Icons.credit_card,
            color: Colors.white),
        backgroundColor: Colors.deepOrangeAccent,
      ),
      body: ReviewService(),
    );
  }
}
class ReviewService extends StatelessWidget {
  ReviewService({this.firestore, this.docID});
  final Firestore firestore;
  final String docID;

  @override
  Widget build(BuildContext context) {
    return StreamBuilder<QuerySnapshot>(
      stream: Firestore.instance.collection('hospital').document(docID).collection('services').snapshots(),
      builder: (BuildContext context, AsyncSnapshot<QuerySnapshot> snapshot){
        if (!snapshot.hasData){
          return const Text("Chargement...");
        }
        List<DocumentSnapshot> documents = snapshot.data.documents;
        return ExpansionTileList(
            firestore: firestore,
            documents: documents,
            docID: docID
        );
      },
    );
  }
}
class ExpansionTileList extends StatelessWidget{
  final List<DocumentSnapshot> documents;
  final String docID;
  final Firestore firestore;

  ExpansionTileList({this.firestore, this.documents,this.docID });
  List<Widget> _getChildren(){
    List<Widget> children= [];
    documents.forEach((doc){
      children.add(
          ServiceExpansionTile(
              name: doc['nom'],
              serviceKey: doc.documentID,
              firestore: firestore,
              docID: docID
          )
      );
    });
    return children;
  }
  @override
  Widget build(BuildContext context) {
    // TODO: implement build
    return ListView(
      children: _getChildren(),
    );
  }
}
class ServiceExpansionTile extends StatelessWidget {
  ServiceExpansionTile({this.serviceKey, this.name, this.firestore, this.docID });
  final String serviceKey;
  final String name;
  final Firestore firestore;
  final String docID;

  @override
  Widget build(BuildContext context) {
    // TODO: implement build
    PageStorageKey _serviceKey = PageStorageKey('$serviceKey');

    return Scaffold(
      body: ExpansionTile(
        key: _serviceKey,
        title: Text(
          name,
          style: TextStyle(
              fontSize: 20.0,
              fontWeight: FontWeight.bold
          ),
        ),
        children: <Widget>[
          StreamBuilder(
              stream: Firestore.instance.collection('hospital')
                  .document(docID)
                  .collection('services')
                  .document(serviceKey)
                  .collection('details').snapshots(),
              builder: (BuildContext context, AsyncSnapshot<QuerySnapshot> snapshot){
                if (!snapshot.hasData) return const Text('Chargement...');
                List<DocumentSnapshot> documents = snapshot.data.documents;
                List<Widget> detailsList = [];
                documents.forEach((doc){
                  PageStorageKey _detailsKey = new PageStorageKey('${doc.documentID}');
                  detailsList.add(
                      ListTile(
                        key: _detailsKey,
                        leading: Icon(Icons.hotel),
                        title: Text(doc['nom']),
                      ));
                });
                return Column(children: detailsList);
              })
        ],
      ),
    );
  }
}

class PackagePage扩展StatefulWidget{
最终文档快照文档ID；
最终消防仓库消防仓库；
PackagePage（{this.documentID，this.firestore}）；
@凌驾
PackagesPageState createState（）=>PackagesPageState（）；
}
类PackagesPageState扩展了状态{
@凌驾
void initState（）{
super.initState（）；
}
void showSnackBar（构建上下文）{
var snackBar=snackBar(
内容：文本（“Voulez-vous-Acheter服务？”），
行动：SnackBarAction(
标签：“OUI”，
已按下：（）{
PaiementStripe（）.buyService（priceService）；
}
),
);
脚手架.of（上下文）.showSnackBar（snackBar）；
}
@凌驾
小部件构建（构建上下文）{
返回脚手架(
appBar:appBar(
标题：文本（“服务”），
背景颜色：Colors.deeporangeacent[400]，
),
浮动操作按钮：浮动操作按钮(
heroTag:'fab1'，
已按下：（）{
showSnackBar（上下文）；
},
子：图标(
信用卡，
颜色：颜色。白色），
背景颜色：Colors.deeporangeacent，
),
正文：ReviewService（），
);
}
}
类ReviewService扩展了无状态小部件{
ReviewService（{this.firestore，this.docID}）；
最终消防仓库消防仓库；
最终字符串docID；
@凌驾
小部件构建（构建上下文）{
返回流生成器(
流：Firestore.instance.collection（'hospital'）.docID.collection（'services'）.snapshots（），
生成器：（BuildContext上下文，异步快照）{
如果（！snapshot.hasData）{
返回常量文本（“计费…”）；
}
列表文档=snapshot.data.documents；
返回扩展文件列表(
firestore:firestore，
文件：文件，
docID:docID
);
},
);
}
}
类ExpansionTileList扩展了无状态小部件{
最后文件清单；
最终字符串docID；
最终消防仓库消防仓库；
ExpansionTileList（{this.firestore，this.documents，this.docID}）；
列表_getChildren（）{
列出子项=[]；
文件。forEach（（doc）{
children.add(
服务扩展文件(
名称：doc['nom']，
serviceKey:doc.documentID，
firestore:firestore，
docID:docID
)
);
});
返回儿童；
}
@凌驾
小部件构建（构建上下文）{
//TODO:实现构建
返回列表视图(
子项：_getChildren（），
);
}
}
类ServiceExpansionFile扩展了无状态小部件{
ServiceExpansionFile（{this.serviceKey，this.name，this.firestore，this.docID}）；
最终字符串serviceKey；
最后的字符串名；
最终消防仓库消防仓库；
最终字符串docID；
@凌驾
小部件构建（构建上下文）{
//TODO:实现构建
PageStorageKey_serviceKey=PageStorageKey（“$serviceKey”）；
返回脚手架(
正文：扩展文件(
密钥：_serviceKey，
标题：正文(
名称
样式：TextStyle(
字体大小：20.0，
fontWeight:fontWeight.bold
),
),
儿童：[
StreamBuilder(
流：Firestore.instance.collection（'hospital'）
.文件（docID）
.collection（“服务”）
.文件（serviceKey）
.collection（'details'）.snapshots（），
生成器：（BuildContext上下文，异步快照）{
如果（！snapshot.hasData）返回常量文本（'Chargement…'）；
列表文档=snapshot.data.documents；
列表详细信息列表=[]；
文件。forEach（（doc）{
PageStorageKey_detailsKey=新的PageStorageKey（'${doc.documentID}'）；
detailsList.add(
列表砖(
钥匙：_detailsKey，
领先：Icon（Icons.hotel），
标题：文本（文件名），
));
});
返回列（子项：detailsList）；
})
],
),
);
}
}

运行后，我在控制台日志中收到以下消息：

══╡ EXCEPTION CAUGHT BY RENDERING LIBRARY ╞═════════════════════════════════════════════════════════
I/flutter (26849): The following assertion was thrown during performLayout():
I/flutter (26849): RenderCustomMultiChildLayoutBox object was given an infinite size during layout.
I/flutter (26849): This probably means that it is a render object that tries to be as big as possible, but it was put
I/flutter (26849): inside another render object that allows its children to pick their own size.
I/flutter (26849): The nearest ancestor providing an unbounded height constraint is:
I/flutter (26849):   RenderIndexedSemantics#96d29 relayoutBoundary=up3 NEEDS-LAYOUT NEEDS-PAINT
I/flutter (26849):   creator: IndexedSemantics ← NotificationListener<KeepAliveNotification> ← KeepAlive ←
I/flutter (26849):   AutomaticKeepAlive ← SliverList ← MediaQuery ← SliverPadding ← Viewport ←
I/flutter (26849):   IgnorePointer-[GlobalKey#663be] ← Semantics ← Listener ← _GestureSemantics ← ⋯
I/flutter (26849):   parentData: index=0; layoutOffset=0.0 (can use size)
I/flutter (26849):   constraints: BoxConstraints(w=392.7, 0.0<=h<=Infinity)
I/flutter (26849):   semantic boundary
I/flutter (26849):   size: MISSING
I/flutter (26849):   index: 0
I/flutter (26849): The constraints that applied to the RenderCustomMultiChildLayoutBox were:
I/flutter (26849):   BoxConstraints(w=392.7, 0.0<=h<=Infinity)
I/flutter (26849): The exact size it was given was:
I/flutter (26849):   Size(392.7, Infinity)
I/flutter (26849): See https://flutter.io/layout/ for more information.
I/flutter (26849): 
I/flutter (26849): When the exception was thrown, this was the stack:
I/flutter (26849): #0      RenderBox.debugAssertDoesMeetConstraints.<anonymous closure> (package:flutter/src/rendering/box.dart:1749:9)
I/flutter (26849): #1      RenderBox.debugAssertDoesMeetConstraints (package:flutter/src/rendering/box.dart:1823:6)
I/flutter (26849): #2      RenderBox.size=.<anonymous closure> (package:flutter/src/rendering/box.dart:1543:17)
I/flutter (26849): #3      RenderBox.size= (package:flutter/src/rendering/box.dart:1543:65)
I/flutter (26849): #4      RenderCustomMultiChildLayoutBox.performLayout (package:flutter/src/rendering/custom_layout.dart:355:5)
I/flutter (26849): #5      RenderObject.layout (package:flutter/src/rendering/object.dart:1632:7)
I/flutter (26849): #6      _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (26849): #7      RenderObject.layout (package:flutter/src/rendering/object.dart:1632:7)
I/flutter (26849): #8      _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (26849): #9      _RenderCustomClip.performLayout (package:flutter/src/rendering/proxy_box.dart:1206:11)
I/flutter (26849): #10     RenderObject.layout (package:flutter/src/rendering/object.dart:1632:7)
I/flutter (26849): #11     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (26849): #12     RenderObject.layout (package:flutter/src/rendering/object.dart:1632:7)
I/flutter (26849): #13     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (26849): #14     RenderObject.layout (package:flutter/src/rendering/object.dart:1632:7)
I/flutter (26849): #15     RenderSliverList.performLayout (package:flutter/src/rendering/sliver_list.dart:164:27)
I/flutter (26849): #16     RenderObject.layout (package:flutter/src/rendering/object.dart:1632:7)
I/flutter (26849): #17     RenderSliverPadding.performLayout (package:flutter/src/rendering/sliver_padding.dart:182:11)
I/flutter (26849): #18     RenderObject.layout (package:flutter/src/rendering/object.dart:1632:7)
I/flutter (26849): #19     RenderViewportBase.layoutChildSequence (package:flutter/src/rendering/viewport.dart:407:13)
I/flutter (26849): #20     RenderViewport._attemptLayout (package:flutter/src/rendering/viewport.dart:1322:12)
I/flutter (26849): #21     RenderViewport.performLayout (package:flutter/src/rendering/viewport.dart:1240:20)
I/flutter (26849): #22     RenderObject.layout (package:flutter/src/rendering/object.dart:1632:7)
I/flutter (26849): #23     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (26849): #24     RenderObject.layout (package:flutter/src/rendering/object.dart:1632:7)
I/flutter (26849): #25     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (26849): #26     RenderObject.layout (package:flutter/src/rendering/object.dart:1632:7)
I/flutter (26849): #27     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (26849): #28     RenderObject.layout (package:flutter/src/rendering/object.dart:1632:7)
I/flutter (26849): #29     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (26849): #30     RenderObject.layout (package:flutter/src/rendering/object.dart:1632:7)
I/flutter (26849): #31     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (26849): #32     RenderObject.layout (package:flutter/src/rendering/object.dart:1632:7)
I/flutter (26849): #33     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (26849): #34     RenderObject.layout (package:flutter/src/rendering/object.dart:1632:7)
I/flutter (26849): #35     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (26849): #36     RenderObject.layout (package:flutter/src/rendering/object.dart:1632:7)
I/flutter (26849): #37     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (26849): #38     RenderObject.layout (package:flutter/src/rendering/object.dart:1632:7)
I/flutter (26849): #39     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (26849): #40     RenderObject._layoutWithoutResize (package:flutter/src/rendering/object.dart:1507:7)
I/flutter (26849): #41     PipelineOwner.flushLayout (package:flutter/src/rendering/object.dart:766:18)
I/flutter (26849): #42     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&SemanticsBinding&RendererBinding.drawFrame (package:flutter/src/rendering/binding.dart:329:19)
I/flutter (26849): #43     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&SemanticsBinding&RendererBinding&WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:701:13)
I/flutter (26849): #44     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&SemanticsBinding&RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:268:5)
I/flutter (26849): #45     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:988:15)
I/flutter (26849): #46     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:928:9)
I/flutter (26849): #47     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:840:5)
I/flutter (26849): #51     _invoke (dart:ui/hooks.dart:209:10)
I/flutter (26849): #52     _drawFrame (dart:ui/hooks.dart:168:3)
I/flutter (26849): (elided 3 frames from package dart:async)
I/flutter (26849): 
I/flutter (26849): The following RenderObject was being processed when the exception was fired:
I/flutter (26849):   RenderCustomMultiChildLayoutBox#170ff relayoutBoundary=up7 NEEDS-LAYOUT NEEDS-PAINT
I/flutter (26849):   creator: CustomMultiChildLayout ← AnimatedBuilder ← DefaultTextStyle ← AnimatedDefaultTextStyle ←
I/flutter (26849):   _InkFeatures-[GlobalKey#66af1 ink renderer] ← NotificationListener<LayoutChangedNotification> ←
I/flutter (26849):   PhysicalModel ← AnimatedPhysicalModel ← Material ← PrimaryScrollController ← _ScaffoldScope ←
I/flutter (26849):   Scaffold ← ⋯
I/flutter (26849):   parentData: <none> (can use size)
I/flutter (26849):   constraints: BoxConstraints(w=392.7, 0.0<=h<=Infinity)
I/flutter (26849):   size: Size(392.7, Infinity)
I/flutter (26849): This RenderObject had the following descendants (showing up to depth 5):
I/flutter (26849):   RenderDecoratedBox#d870a NEEDS-LAYOUT NEEDS-PAINT
I/flutter (26849):     RenderPadding#14ba8 NEEDS-LAYOUT NEEDS-PAINT
I/flutter (26849):       RenderFlex#6e752 NEEDS-LAYOUT NEEDS-PAINT
I/flutter (26849):         RenderSemanticsGestureHandler#36b67 NEEDS-LAYOUT NEEDS-PAINT
I/flutter (26849):           RenderPointerListener#cfb29 NEEDS-LAYOUT NEEDS-PAINT
I/flutter (26849):         RenderClipRect#66eaf NEEDS-LAYOUT NEEDS-PAINT
I/flutter (26849):           RenderPositionedBox#85283 NEEDS-LAYOUT NEEDS-PAINT
I/flutter (26849):   RenderStack#057e0 NEEDS-LAYOUT NEEDS-PAINT
I/flutter (26849):     RenderTransform#6ab00 NEEDS-LAYOUT NEEDS-PAINT
I/flutter (26849):       RenderTransform#23709 NEEDS-LAYOUT NEEDS-PAINT
I/flutter (26849): ════════════════════════════════════════════════════════════════════════════════════════════════════
I/flutter (26849): Another exception was thrown: _RenderInkFeatures object was given an infinite size during layout.
I/flutter (26849): Another exception was thrown: RenderPhysicalModel object was given an infinite size during layout.
I/flutter (26849): Another exception was thrown: RenderRepaintBoundary object was given an infinite size during layout.
I/flutter (26849): Another exception was thrown: RenderIndexedSemantics object was given an infinite size during layout.
E/flutter (26849): [ERROR:flutter/lib/ui/ui_dart_state.cc(148)] Unhandled Exception: Cannot hit test a render box that has never been laid out.
E/flutter (26849): The hitTest() method was called on this RenderBox:
E/flutter (26849):   RenderStack#057e0 NEEDS-LAYOUT NEEDS-PAINT
E/flutter (26849): Unfortunately, this object's geometry is not known at this time, probably because it has never been laid out. This means it cannot be accurately hit-tested. If you are trying to perform a hit test during the layout phase itself, make sure you only hit test nodes that have completed layout (e.g. the node's children, after their layout() method has been called).
E/flutter (26849): #0      RenderBox.hitTest.<anonymous closure> (package:flutter/src/rendering/box.dart:1889:11)
E/flutter (26849): #1      RenderBox.hitTest (package:flutter/src/rendering/box.dart:1912:6)
E/flutter (26849): #2      _RenderCustomMultiChildLayoutBox&RenderBox&ContainerRenderObjectMixin&RenderBoxContainerDefaultsMixin.defaultHitTestChildren (package:flutter/src/rendering/box.dart:2256:17)
E/flutter (26849): #3      RenderCustomMultiChildLayoutBox.hitTestChildren (package:flutter/src/rendering/custom_layout.dart:366:12)
E/flutter (26849): #4      RenderBox.hitTest (package:flutter/src/rendering/box.dart:1914:11)
E/flutter (26849): #5      _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.hitTestChildren (package:flutter/src/rendering/proxy_box.dart:114:19)
E/flutter (26849): #6      RenderBox.hitTest (package:flutter/src/rendering/box.dart:1914:11)
E/flutter (26849): #7      _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.hitTestChildren (package:flutter/src/rendering/proxy_box.dart:114:19)
E/flutter (26849): #8      RenderBox.hitTest (package:flutter/src/rendering/box.dart:1914:11)
E/flutter (26849): #9      RenderPhysicalModel.hitTest (package:flutter/src/rendering/proxy_box.dart:1683:18)
E/flutter (26849): #10     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.hitTestChildren (package:flutter/src/rendering/proxy_box.dart:114:19)
E/flutter (26849): #11     RenderBox.hitTest (package:flutter/src/rendering/box.dart:1914:11)
E/flutter (26849): #12     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.hitTestChildren (package:flutter/src/rendering/proxy_box.dart:114:19)
E/flutter (26849): #13     RenderBox.hitTest (package:flutter/src/rendering/box.dart:1914:11)
E/flutter (26849): #14     _RenderSliverMultiBoxAdaptor&RenderSliver&ContainerRenderObjectMixin&RenderSliverHelpers.hitTestBoxChild (package:flutter/src/rendering/sliver.dart:1509:22)
E/flutter (26849): #15     RenderSliverMultiBoxAdaptor.hitTestChildren (package:flutter/src/rendering/sliver_multi_box_adaptor.dart:481:11)
E/flutter (26849): #16     RenderSliver.hitTest (package:flutter/src/rendering/sliver.dart:1171:11)
E/flutter (26849): #17     RenderSliverPadding.hitTestChildren (package:flutter/src/rendering/sliver_padding.dart:266:20)
E/flutter (26849): #18     RenderSliver.hitTest (package:flutter/src/rendering/sliver.dart:1171:11)
E/flutter (26849): #19     RenderViewportBase.hitTestChildren (package:flutter/src/rendering/viewport.dart:576:43)
E/flutter (26849): #20     RenderBox.hitTest (package:flutter/src/rendering/box.dart:1914:11)
E/flutter (26849): #21     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.hitTestChildren (package:flutter/src/rendering/proxy_box.dart:114:19)
E/flutter (26849): #22     RenderBox.hitTest (package:flutter/src/rendering/box.dart:1914:11)
E/flutter (26849): #23     RenderIgnorePointer.hitTest (package:flutter/src/rendering/proxy_box.dart:2928:37)
E/flutter (26849): #24     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.hitTestChildren (package:flutter/src/rendering/proxy_box.dart:114:19)
E/flutter (26849): #25     RenderBox.hitTest (package:flutter/src/rendering/box.dart:1914:11)
E/flutter (26849): #26     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.hitTestChildren (package:flutter/src/rendering/proxy_box.dart:114:19)
E/flutter (26849): #27     RenderProxyBoxWithHitTestBehavior.hitTest (package:flutter/src/rendering/proxy_box.dart:161:19)
E/flutter (26849): #28     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.hitTestChildren (package:flutter/src/rendering/proxy_box.dart:114:19)
E/flutter (26849): #29     RenderBox.hitTest (package:flutter/src/rendering/box.dart:1914:11)
E/flutter (26849): #30     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.hitTestChildren (package:flutter/src/rendering/proxy_box.dart:114:19)
E/flutter (26849): #31     RenderBox.hitTest (package:flutter

══╡ 呈现库捕获到异常╞═════════════════════════════════════════════════════════
I/flatter（26849）：在performLayout（）期间抛出了以下断言：
I/flatter（26849）：在布局过程中，RenderConstomMultiChildLayoutBox对象被赋予无限大。
I/flatter（26849）：这可能意味着它是一个试图尽可能大的渲染对象，但它被放置了
I/flatter（26849）：在另一个渲染对象内，允许其子对象选择自己的大小。
I/颤振（26849）：提供无界高度约束的最近祖先是：
I/颤振（26849）：RenderIndexedSemantics#96d29 relayoutBoundary=up3需要-布局需要-绘制
I/flatter（26849）：创建者：IndexedSemantics← 通知侦听器← 保持活力←
I/颤振（26849）：AutomaticEpaLive← 银表← MediaQuery← 填缝料← 视区←
I/颤振（26849）：忽略指针-[GlobalKey#663be]← 语义学← 听众← _手势语义学← ⋯
I/颤振（26849）：父数据：指数=0；layoutOffset=0.0（可以使用大小）
I/flatter（26849）：约束：BoxConstraints（w=392.7，0.0，因为错误消息建议您需要为列表设置大小。我知道它非常模糊，但是
Container(
          height: 200,
          child: StreamBuilder(...