HarmonyOS appRecovery.restartApp无效

//AbilityStage 
import appRecovery from ‘@ohos.app.ability.appRecovery’; 
import AbilityStage from ‘@ohos.app.ability.AbilityStage’; 
 
export default class MyAbilityStage extends AbilityStage { 
  onCreate() { 
    appRecovery.enableAppRecovery( 
      appRecovery.RestartFlag.ALWAYS_RESTART, 
      appRecovery.SaveOccasionFlag.SAVE_WHEN_ERROR, 
      appRecovery.SaveModeFlag.SAVE_WITH_FILE 
    ); 
 
    let want ={ 
      bundleName:'com.example.testxx', 
      abilityName:"EntryAbility" 
    } 
    appRecovery.setRestartWant(want) 
  } 
} 
 
“module”: { 
  “name”: “entry”, 
  “srcEntry”: ‘./ets/AbilityStage/AbilityStage.ets’, 
  … 
  “abilities”: [ 
  { 
    “name”: “EntryAbility”, 
    … 
    “recoverable”: true, 
    … 
    //page 
    .onClick(() => { 
    appRecovery.restartApp(); 
  })