@EventListener(RoleUpdatedEvent.class)
    public void onRoleUpdated(final RoleUpdatedEvent event) {
        manageRolePermission(event.getRole().getId(), event.getNewPermission());
    }
listen {@link RoleUpdatedEvent} delete  permission.

@param event event
shenyu-admin/src/main/java/org/apache/shenyu/admin/service/impl/PermissionServiceImpl.java