This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
一开始就注册了zone的回调,里面有enroll commend但是我对这里比较疑惑啊,那位能讲解一下和普通的回调以及request有区别吗?