我按照文档新建了MyAbilityStage,并且在该模块对应的 module.json5中配置如下,但是在预览启动时,log控制台没打印,求解惑 代码如下 import AbilityStage from '@ohos.app.ability.AbilityStage'; export default class MyAbilityStage extends AbilityStage{ onCreate(): void { console.log("MyAbilityStage onCreate") } } module.json5 如下 { "module": { "name": "entry", "type": "entry", "description": "$string:module_desc", "mainElement": "MyAbilityStage", "srcEntry": "./ets/myabilitystage/MyAbilityStage.ets", "deviceTypes": [ "phone" ], "deliveryWithInstall": true, "installationFree": false, "pages": "$profile:main_pages", "abilities": [ { "launchType": "singleton", "name": "EntryAbility", "srcEntry": "./ets/entryability/EntryAbility.ts", "description": "$string:EntryAbility_desc", "icon": "$media:icon", "label": "$string:EntryAbility_label", "startWindowIcon": "$media:icon", "startWindowBackground": "$color:start_window_background", "exported": true, "skills": [ { "entities": [ "entity.system.home" ], "actions": [ "action.system.home" ] } ] } ] } } 求解惑