-You can ask the new employer to file the H1 any time.
或者说只能让新雇主申请新的H1B?
-Yes. But enclose the copy of the approved H1 with the new H1 so that you do not need to get a new quote if the old employer does not withdraw it. Anyway, there are still h1 quote available, so do not worry about the quote.
如果不是因为干得不开心,我真不愿意这么麻烦。。。