创建任务就是将任务控制块、任务堆栈、任务代码等联系在一起，并且初始化任务控制块的相应字段，当一个任务不需要运行的话，我们就可以将其删除掉-The task is to associate the task control block, the task stack, the task code, etc., and initialize the corresponding field of the task control block. When a task does not need to