https://www.zhihu.com/question/276668028/answer/3262165543
https://www.vnpy.com/forum/topic/34756-ctaliang-hua-tong-guan-xi-lie-3-lian-xu-he-yue-mei-gao-dui-hui-ce-jie-lun-kao-bu-zhu
https://www.zhihu.com/question/276668028/answer/3262165543
https://www.vnpy.com/forum/topic/34756-ctaliang-hua-tong-guan-xi-lie-3-lian-xu-he-yue-mei-gao-dui-hui-ce-jie-lun-kao-bu-zhu