在自主学习的困难是坚持它的所有时间。人总是懒惰，我们必须击败我们的本性。坚持得到想要的结果。
The difficulties in the SALL is persevering it all the time. Human is always indolence, we must beat our nature. Persist to get the desired results.
通过加入算法的自主学习结束条件，避免了找到最优路径后的重复学习，节省了学习时间。
Through an automatic termination condition, the redundant learning after finding optimal path is avoided and the time of learning is reduced.
所谓的空闲时间不但是让他们享受生活，而且让他们自主学习，培养各种兴趣爱好。
The so-called free time is not only for them to enjoy themselves but also for them to pursue self-study and cultivate various interests.
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