Array的重新赋值不会被捕捉到 about westore HOT 2 CLOSED

var cache = {
    NoticeCache: []
}
observe(cache, function (name, value, old) {
    console.log(name + '__' + value + '__' + old);
});
cache.NoticeCache = [1, 2, 3];

cache.newProp = 1;
//需要重新监听
observe(cache,["newProp"],function (name, value, old) {
    console.log(name + '__' + value + '__' + old);
});
cache.newProp = 2;