无法将共享首选项中的数据转换为Flutter中的列表

import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';

class MyListScreen extends StatefulWidget {
  @override
  _MyListScreenState createState() => _MyListScreenState();
}

class _MyListScreenState extends State<MyListScreen> {
  List<String> myList = [];

  @override
  void initState() {
    super.initState();
    loadData();
  }

  void loadData() async {
    SharedPreferences prefs = await SharedPreferences.getInstance();
    List<String> data = prefs.getStringList('myData') ?? [];
    setState(() {
      myList = data;
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('My List'),
      ),
      body: ListView.builder(
        itemCount: myList.length,
        itemBuilder: (context, index) {
          return ListTile(
            title: Text(myList[index]),
          );
        },
      ),
    );
  }
}