接触操作员与权限关联

def unbind_opr(self, opr, path=None):
        """ 接触操作员与权限关联
        """
        if path:
            self.routes[path]['oprs'].remove(opr)
        else:
            for path in self.routes:
                route = self.routes.get(path)
                if route and opr in route['oprs']:
                    route['oprs'].remove(opr)