Changelog: 修复固定值被引用值覆盖的问题 修复在更新路由时路由与appid的关系丢失的问题 更新管理后台的bladex依赖到v2.7.2 Fixed the issue where fixed values were overwritten by reference values when expecting merge in path mapping Fixed the issue where the relationship between route and appid was lost... Fizz Gateway 1.5.1 发布，更加稳定的核心依赖库升级下载地址
