diff --git a/inlong-manager/manager-schedule/src/main/java/org/apache/inlong/manager/schedule/dolphinscheduler/DolphinScheduleEngine.java b/inlong-manager/manager-schedule/src/main/java/org/apache/inlong/manager/schedule/dolphinscheduler/DolphinScheduleEngine.java
index 5095f1f0a1..7e064c20f0 100644
--- a/inlong-manager/manager-schedule/src/main/java/org/apache/inlong/manager/schedule/dolphinscheduler/DolphinScheduleEngine.java
+++ b/inlong-manager/manager-schedule/src/main/java/org/apache/inlong/manager/schedule/dolphinscheduler/DolphinScheduleEngine.java
@@ -226,7 +226,6 @@ public boolean handleUnregister(String groupId) {
     @Override
     @VisibleForTesting
     public boolean handleUpdate(ScheduleInfo scheduleInfo) {
-        start();
         LOGGER.info("Update dolphin schedule info for {}", scheduleInfo.getInlongGroupId());
         try {
             return handleUnregister(scheduleInfo.getInlongGroupId()) && handleRegister(scheduleInfo);