diff --git a/inlong-manager/manager-schedule/src/main/java/org/apache/inlong/manager/schedule/dolphinscheduler/DolphinScheduleUtils.java b/inlong-manager/manager-schedule/src/main/java/org/apache/inlong/manager/schedule/dolphinscheduler/DolphinScheduleUtils.java
index 1f9fa41f98..ef8d247455 100644
--- a/inlong-manager/manager-schedule/src/main/java/org/apache/inlong/manager/schedule/dolphinscheduler/DolphinScheduleUtils.java
+++ b/inlong-manager/manager-schedule/src/main/java/org/apache/inlong/manager/schedule/dolphinscheduler/DolphinScheduleUtils.java
@@ -296,7 +296,10 @@ public boolean releaseProcessDef(String processDefUrl, long processDefCode, Stri
 
         try {
             JsonObject response = executeHttpRequest(url, HTTP_POST, queryParam, header, null);
-            return response.get(DS_RESPONSE_DATA).getAsBoolean();
+            if (response != null && !response.get(DS_RESPONSE_DATA).isJsonNull()) {
+                return response.get(DS_RESPONSE_DATA).getAsBoolean();
+            }
+            return false;
         } catch (IOException e) {
             LOGGER.error("Unexpected wrong in release process definition", e);
             return false;
@@ -367,7 +370,7 @@ public boolean onlineScheduleForProcessDef(String scheduleUrl, int scheduleId, S
         String url = scheduleUrl + "/" + scheduleId + DS_ONLINE_URL;
         try {
             JsonObject response = executeHttpRequest(url, HTTP_POST, new HashMap<>(), header, null);
-            if (response != null) {
+            if (response != null && !response.get(DS_RESPONSE_DATA).isJsonNull()) {
                 return response.get(DS_RESPONSE_DATA).getAsBoolean();
             }
         } catch (IOException e) {