这一个是有箭头的一个指标，好像缺失了点附图指标，我弄不见了，箭头判断趋势还是很准的，没有未来函数，放心使用，出现就不会在变了。

具体参数各位自行设置。

-This is an indicator arrow seems missing drawings indicators, I get gone arrow to judge the trend is still very accurate, there is no future function, ease of use, there would not have changed. Specific parameters you set your own.