## Description <!--- Provide a general summary of the issue in the Title above --> 整个过程流程较多,时间较长,之前中间某个过程出现问题,需要全部重做,不利于运维。通过重构,打印关键步骤的启动日志,过程改为可重入,使得该功能可以很方便的运维。 ## Expected Behavior <!--- tell us how it should work --> ## Current Behavior <!--- explain the difference from expected behavior --> ## Possible Solution <!--- Not obligatory, but suggest a fix/reason for the feature --> <!--- or ideas how to implement the addition or change --> ## Context <!--- How has this issue affected you? What are you trying to accomplish? -->