先参考启动ticket文档哦https://developers.weixin.qq.com/doc/oplatform/Third-party_Platforms/api/component_verify_ticket_service.html，再根据此文档获取ticket：https://developers.weixin.qq.com/doc/oplatform/Third-party_Platforms/api/component_verify_ticket.html，后续遇到ticket的问题请先参考手册进行自助排查哈https://developers.weixin.qq.com/doc/oplatform/Third-party_Platforms/api/component_verify_ticket_troubleshooting.html