apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/controller/ReleaseHistoryController.java/ReleaseHistoryController/ReleaseHistoryController
class ReleaseHistoryController:  public ReleaseHistoryController(final ReleaseHistoryService releaseHistoryService, final PermissionValidator permissionValidator) {
    this.releaseHistoryService = releaseHistoryService;
    this.permissionValidator = permissionValidator;
  }