diff --git a/weed/mq/broker/broker_server.go b/weed/mq/broker/broker_server.go
index 31a6e10ef..f41ec87ca 100644
--- a/weed/mq/broker/broker_server.go
+++ b/weed/mq/broker/broker_server.go
@@ -67,8 +67,8 @@ func NewMessageBroker(option *MessageQueueBrokerOption, grpcDialOption grpc.Dial
 	}
 	mqBroker.MasterClient.SetOnPeerUpdateFn(mqBroker.OnBrokerUpdate)
 	pub_broker_balancer.OnPartitionChange = mqBroker.Coordinator.OnPartitionChange
-	pub_broker_balancer.OnAddBroker = mqBroker.Coordinator.OnAddBroker
-	pub_broker_balancer.OnRemoveBroker = mqBroker.Coordinator.OnRemoveBroker
+	pub_broker_balancer.OnAddBroker = mqBroker.Coordinator.OnSubAddBroker
+	pub_broker_balancer.OnRemoveBroker = mqBroker.Coordinator.OnSubRemoveBroker
 
 	go mqBroker.MasterClient.KeepConnectedToMaster()
 
diff --git a/weed/mq/pub_balancer/balancer.go b/weed/mq/pub_balancer/balancer.go
index d44c68720..cd9583016 100644
--- a/weed/mq/pub_balancer/balancer.go
+++ b/weed/mq/pub_balancer/balancer.go
@@ -53,6 +53,7 @@ func (balancer *Balancer) AddBroker(broker string) (brokerStats *BrokerStats) {
 			brokerStats, _ = balancer.Brokers.Get(broker)
 		}
 	}
+	balancer.onPubAddBroker(broker, brokerStats)
 	balancer.OnAddBroker(broker, brokerStats)
 	return brokerStats
 }
@@ -68,6 +69,7 @@ func (balancer *Balancer) RemoveBroker(broker string, stats *BrokerStats) {
 		}
 		partitionSlotToBrokerList.RemoveBroker(broker)
 	}
+	balancer.onPubRemoveBroker(broker, stats)
 	balancer.OnRemoveBroker(broker, stats)
 }
 
@@ -88,3 +90,11 @@ func (balancer *Balancer) OnBrokerStatsUpdated(broker string, brokerStats *Broke
 		partitionSlotToBrokerList.AddBroker(partition, broker)
 	}
 }
+
+// OnPubAddBroker is called when a broker is added for a publisher coordinator
+func (balancer *Balancer) onPubAddBroker(broker string, brokerStats *BrokerStats) {
+}
+
+// OnPubRemoveBroker is called when a broker is removed for a publisher coordinator
+func (balancer *Balancer) onPubRemoveBroker(broker string, brokerStats *BrokerStats) {
+}
diff --git a/weed/mq/sub_coordinator/coordinator.go b/weed/mq/sub_coordinator/coordinator.go
index 1ad539cfb..5a4474076 100644
--- a/weed/mq/sub_coordinator/coordinator.go
+++ b/weed/mq/sub_coordinator/coordinator.go
@@ -100,10 +100,12 @@ func (c *Coordinator) OnPartitionChange(topic *mq_pb.Topic, assignments []*mq_pb
 	}
 }
 
-func (c *Coordinator) OnAddBroker(broker string, brokerStats *pub_balancer.BrokerStats) {
+// OnSubAddBroker is called when a broker is added to the balancer
+func (c *Coordinator) OnSubAddBroker(broker string, brokerStats *pub_balancer.BrokerStats) {
 
 }
 
-func (c *Coordinator) OnRemoveBroker(broker string, brokerStats *pub_balancer.BrokerStats) {
+// OnSubRemoveBroker is called when a broker is removed from the balancer
+func (c *Coordinator) OnSubRemoveBroker(broker string, brokerStats *pub_balancer.BrokerStats) {
 
 }