code: def unbind_opr(self, opr, path=None):
          
          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)
docs: 接触操作员与权限关联