https://developers.weixin.qq.com/doc/offiaccount/Message_Management/Batch_Sends_and_Originality_Checks.html#_9%E3%80%81%E4%BD%BF%E7%94%A8-clientmsgid-%E5%8F%82%E6%95%B0%EF%BC%8C%E9%81%BF%E5%85%8D%E9%87%8D%E5%A4%8D%E6%8E%A8%E9%80%81

防重码限制64字节，传不到64就报超长报错：4b5ad488-e0b3-4dca-b61e-9ae4c33503ed

{"errcode":45067,"errmsg":"clientmsgid size out of limit rid: 64ffdf3b-25c2606d-7d6d6392"}