框架迁移，好听点说是技术升级，难听点就是“在雷区拆炸弹”。特别是那些老项目，业务逻辑错综复杂，动一点就可能引发连锁反应。有人迁移到一半，发现生态不兼容；有人改着改着，把原本的BUG改成了更棘手的问题；还有人辛苦三个月，最后却被告知“还是用回原来的吧” ...

If you want to get certified in the Microsoft Azure Developer Associate (AZ-204) exam, you need more than just study materials. You need to practice by completing AZ-204 practice exams, reviewing ...