diff --git a/powerjob-server/powerjob-server-persistence/src/main/java/tech/powerjob/server/persistence/storage/StorageConfiguration.java b/powerjob-server/powerjob-server-persistence/src/main/java/tech/powerjob/server/persistence/storage/StorageConfiguration.java
index 2e3abd82..6b5627fe 100644
--- a/powerjob-server/powerjob-server-persistence/src/main/java/tech/powerjob/server/persistence/storage/StorageConfiguration.java
+++ b/powerjob-server/powerjob-server-persistence/src/main/java/tech/powerjob/server/persistence/storage/StorageConfiguration.java
@@ -10,7 +10,7 @@ import tech.powerjob.server.persistence.storage.impl.GridFsService;
 import tech.powerjob.server.persistence.storage.impl.MySqlSeriesDfsService;
 
 /**
- * Description
+ * 初始化内置的存储服务
  *
  * @author tjq
  * @since 2023/7/30
diff --git a/powerjob-server/powerjob-server-remote/src/main/java/tech/powerjob/server/remote/server/election/ServerElectionService.java b/powerjob-server/powerjob-server-remote/src/main/java/tech/powerjob/server/remote/server/election/ServerElectionService.java
index 0c384d6a..e6febdfe 100644
--- a/powerjob-server/powerjob-server-remote/src/main/java/tech/powerjob/server/remote/server/election/ServerElectionService.java
+++ b/powerjob-server/powerjob-server-remote/src/main/java/tech/powerjob/server/remote/server/election/ServerElectionService.java
@@ -160,7 +160,8 @@ public class ServerElectionService {
                     downServerCache.remove(serverAddress);
                     ProtocolInfo remoteProtocol = protocolInfo.toJavaObject(ProtocolInfo.class);
                     log.info("[ServerElection] server[{}] is active, it will be the master, final protocol={}", serverAddress, remoteProtocol);
-                    return remoteProtocol.getExternalAddress();
+                    // 4.3.3 升级 4.3.4 过程中，未升级的 server 还不存在 externalAddress，需要使用 address 兼容
+                    return Optional.ofNullable(remoteProtocol.getExternalAddress()).orElse(remoteProtocol.getAddress());
                 } else {
                     log.warn("[ServerElection] server[{}] is active but don't have target protocol", serverAddress);
                 }