huanggze zw12078 修改 Prometheus，需要通过 Prometheus Operator CRD 来修改。 例如，修改 Prometheus 监控数据保存天数，可参考 https://kubesphere.io/docs/pluggable-components/faq/monitoring/#how-to-modify-monitoring-data-retention-days 如果是使用自定义监控功能，请参考 https://kubesphere.io/docs/project-user-guide/custom-application-monitoring/introduction/
