diff --git a/dinky-admin/src/main/java/org/dinky/service/impl/CatalogueServiceImpl.java b/dinky-admin/src/main/java/org/dinky/service/impl/CatalogueServiceImpl.java
index da7f503ee2..d31bea6e99 100644
--- a/dinky-admin/src/main/java/org/dinky/service/impl/CatalogueServiceImpl.java
+++ b/dinky-admin/src/main/java/org/dinky/service/impl/CatalogueServiceImpl.java
@@ -291,6 +291,7 @@ public boolean copyTask(Catalogue catalogue) {
         Task newTask = new Task();
         BeanUtil.copyProperties(oldTask, newTask);
         newTask.setId(null);
+        newTask.setJobInstanceId(null);
         newTask.setType(oldTask.getType());
         // 设置复制后的作业名称为：原名称+自增序列
         size = size + 1;