diff --git a/dolphinscheduler-alert/dolphinscheduler-alert-server/src/main/java/org/apache/dolphinscheduler/alert/AlertServer.java b/dolphinscheduler-alert/dolphinscheduler-alert-server/src/main/java/org/apache/dolphinscheduler/alert/AlertServer.java
index 2c41f31072..f1aa562d06 100644
--- a/dolphinscheduler-alert/dolphinscheduler-alert-server/src/main/java/org/apache/dolphinscheduler/alert/AlertServer.java
+++ b/dolphinscheduler-alert/dolphinscheduler-alert-server/src/main/java/org/apache/dolphinscheduler/alert/AlertServer.java
@@ -80,11 +80,6 @@ public class AlertServer implements Closeable {
         checkTable();
         startServer();
 
-        if (alertPluginManager.size() == 0) {
-            log.warn("No alert plugin, alert sender will exit.");
-            return;
-        }
-
         Executors.newScheduledThreadPool(1)
                  .scheduleAtFixedRate(new Sender(), 5, 5, TimeUnit.SECONDS);
     }