您好，这个暂时还没有直接修改粗细的接口，您需要用线实体来将点击的经纬度连接起来以实现修改粗细的目的。
具体您可以参考一下这个博客： https://blog.csdn.net/supermapsupport/article/details/98037673?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522161655766016780274181798%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fblog.%2522%257D&request_id=161655766016780274181798&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~blog~first_rank_v1~rank_blog_v1-2-98037673.pc_v1_rank_blog_v1&utm_term=%E9%80%9A%E8%A7%86%E5%88%86%E6%9E%90
