promise实现return时，会把promise对象return的解决方案

1、错误写法

data.forEach((item) => { this.form.options.push({ id: item.id, names: item.names, children: getPromise(item.id), }); }); 

2、正确写法

data.forEach(async (item) => { const datas = { id: item.id, names: item.names, children: null, }; const { result } = await getPromise(item.id); datas.children = result; this.form.options.push(datas); });