H5自定义属性参考文章：https://blog.csdn.net/qq_31851435/article/details/53100691?utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7Edefault-8.control&dist_request_id=1328769.71129.16177191708547603&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7Edefault-8.control
