diff --git a/remoting/src/main/java/org/apache/rocketmq/remoting/protocol/route/BrokerData.java b/remoting/src/main/java/org/apache/rocketmq/remoting/protocol/route/BrokerData.java
index de911d17c26..766cae3e421 100644
--- a/remoting/src/main/java/org/apache/rocketmq/remoting/protocol/route/BrokerData.java
+++ b/remoting/src/main/java/org/apache/rocketmq/remoting/protocol/route/BrokerData.java
@@ -89,6 +89,9 @@ public BrokerData(String cluster, String brokerName, HashMap<Long, String> broke
      * @return Broker address.
      */
     public String selectBrokerAddr() {
+        if (this.brokerAddrs == null || this.brokerAddrs.isEmpty()) {
+            return null;
+        }
         String masterAddress = this.brokerAddrs.get(MixAll.MASTER_ID);
 
         if (masterAddress == null) {