fix Cleanup and center online map not removed.

lichao

2021-04-28 854c63136c4d3a195e2dc617cd7330650bbaf504

 box/center.cpp

@@ -392,9 +392,18 @@
      EraseMapRec(service_map_, node->services_);
      EraseMapRec(subscribe_map_, node->subscriptions_);

      // remove online record.
      auto pos = online_node_addr_map_.find(node->proc_.proc_id());
      if (pos != online_node_addr_map_.end()) {
         if (node->addrs_.find(pos->second) != node->addrs_.end()) {
            online_node_addr_map_.erase(pos);
         }
      }

      for (auto &addr : node->addrs_) {
         cleaner_(addr);
      }

      node->addrs_.clear();
   }
   std::string id_; // center proc id;