刚上手就遇到问题了

[ghost]

异常:

════════ (25) Exception caught by scheduler library ════════════════════════════════════════════════
SemanticsNode#623(Rect.fromLTRB(0.0, 0.0, 180.0, 50.0), tags: [RenderViewport.twoPane], actions: [tap], label: "测试", textDirection: ltr) (with SemanticsOwner#6a4ce) tried to set a non-finite rect.
'package:flutter/src/semantics/semantics.dart':
Failed assertion: line 1175 pos 12: 'value.isFinite'

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[ghost]

好像是我的锅 有SingleChildScrollView就会有问题!