diff --git a/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/CombinedApplicationServer.java b/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/CombinedApplicationServer.java
index f0a6ada901..4a9f681ab9 100644
--- a/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/CombinedApplicationServer.java
+++ b/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/CombinedApplicationServer.java
@@ -42,7 +42,7 @@ public class CombinedApplicationServer extends SpringBootServletInitializer {
         ProcessDao processDao = context.getBean(ProcessDao.class);
         AlertDao alertDao = context.getBean(AlertDao.class);
 
-        MasterServer master = new MasterServer(processDao);
+        MasterServer master = new MasterServer(processDao,alertDao);
         master.run(processDao);
 
         WorkerServer workerServer = new WorkerServer(processDao, alertDao);