Harmonyos 分布式迁移失败

import app from '@system.app';
export default {
    data: {
       appData:{
           message:["demo1","demo2"],
           msg:""
       }
    },

    getMsg(e){
        this.appData.msg = e.value;
    },
    send(){
        console.info("---"+this.appData.message)
        this.appData.message.push(this.appData.msg);
        this.appData.msg = "";
        console.info("---"+this.appData.message)
    },
    async start(){
        let result = await FeatureAbility.continueAbility();
        console.info("---result:" + JSON.stringify(result));
    },
    onStartContinuation(){
        console.info("---onStartContinuation")
        return true;
    },
    onSaveData(saveData){
        Object.assign(saveData,this.appData);
        //console.info("---onSaveData")
    },
    onRestoreData(restoreData){
        this.appData = restoreData;
        //console.info("---onRestoreData")
    },
    onCompleteContinuation(){
        app.terminate();
        //console.info("---onCompleteContinuation")
    }
}

<div class="container">
    <div>
        <list>
            <list-item for="{{appData.message}}" class="msg-css">
                <text >{{$item}}</text>
            </list-item>
        </list>
    </div>
    <div class="bottom-css">
        <input type="text" @change="getMsg"></input>
        <button type="capsule" @click="send">发送</button>
        <button type="capsule" @click="switch">跳转</button>
        <button type="capsule" @click="start">迁移</button>
    </div>
</div>

public class MainAbility extends AceAbility {
    @Override
    public void onStart(Intent intent) {
        super.onStart(intent);
        requestPermissionsFromUser(new String[]{"ohos.permission.DISTRIBUTED_DATASYNC"},0);
    }

    @Override
    public void onStop() {
        super.onStop();
    }