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Creator 版本： 3.7.3，3.5.2
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目标平台： 360安全浏览器
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重现方式：断点调试带scrollview的窗口，断点过后立即释放scrollview
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首个报错：
index.js:1 ErrorEvent {isTrusted: true, message: “Uncaught TypeError: Cannot read properties of null (reading ‘off’)”, filename: ‘http://localhost:7456/scripting/engine/bin/.cache/dev/preview/bundled/index.js’, lineno: 52409, colno: 32, …}
（匿名） @ index.js:1
node.ts:1124 Uncaught TypeError: Cannot read properties of null (reading ‘off’)
at Node.off (node.ts:1124:30)
at ScrollView.onDisable (scroll-view.ts:1007:31)
at ComponentScheduler.disableComp (component-scheduler.ts:438:22)
at NodeActivator.destroyComp (node-activator.ts:255:42)
at ScrollView._onPreDestroy (component.ts:387:42)
at ScrollView._destroyImmediate (object.ts:382:18)
at Node._onPreDestroyBase (node.ts:1378:22)
at Node._onPreDestroy (node.ts:1498:21)
at Node._destroyImmediate (object.ts:382:18)
at Node._onPreDestroyBase (node.ts:1370:25)
ErrorEvent {isTrusted: true, message: “Uncaught TypeError: Cannot read properties of null (reading ‘0’)”, filename: ‘http://localhost:7456/scripting/engine/bin/.cache/dev/preview/bundled/index.js’, lineno: 25727, colno: 36, …}
（匿名） @ index.js:1
renderer.ts:183 Uncaught TypeError: Cannot read properties of null (reading ‘0’)
at Label.getMaterialInstance (renderer.ts:183:21)
at Label.get (renderer.ts:97:21)
at Label._flushAssembler (label.ts:827:50)
at Label.updateRenderData (label.ts:764:18)
at LabelOutline._updateRenderData (label-outline.ts:125:19)
at LabelOutline.onDisable (label-outline.ts:119:14)
at ComponentScheduler.disableComp (component-scheduler.ts:438:22)
at NodeActivator.destroyComp (node-activator.ts:255:42)
at LabelOutline._onPreDestroy (component.ts:387:42)
at LabelOutline._destroyImmediate (object.ts:382:18)
- 之前哪个版本是正常的：
- 手机型号：
- 手机浏览器：
- 编辑器操作系统：
- 重现概率： 100%
node中的_onPreDestroyBase函数先释放了所有子节点，再释放组件
结果scrollview组件中onDisable会用到子节点，就报错了
后续还有很多类似的报错
为什么不能先释放组件，再释放子节点