diff --git a/dolphinscheduler-service/src/main/java/org/apache/dolphinscheduler/service/process/ProcessService.java b/dolphinscheduler-service/src/main/java/org/apache/dolphinscheduler/service/process/ProcessService.java
index 1bc796104c..a65f05b349 100644
--- a/dolphinscheduler-service/src/main/java/org/apache/dolphinscheduler/service/process/ProcessService.java
+++ b/dolphinscheduler-service/src/main/java/org/apache/dolphinscheduler/service/process/ProcessService.java
@@ -1062,7 +1062,8 @@ public class ProcessService {
 
         List<Property> parentPropertyList = JSONUtils.toList(parentGlobalParams, Property.class);
         List<Property> subPropertyList = JSONUtils.toList(subGlobalParams, Property.class);
-
+        subPropertyList = new ArrayList<>(subPropertyList);
+        
         Map<String, String> subMap = subPropertyList.stream().collect(Collectors.toMap(Property::getProp, Property::getValue));
 
         for (Property parent : parentPropertyList) {