xingchun-chen opened a new issue #4223:
URL: https://github.com/apache/incubator-dolphinscheduler/issues/4223
1. Right click task_1 to copy the node,
2. change the name of the copy node to task_1, the node is added successfully
*Expired result
the node name should be unique, the node should not be added successfully


**Which version of Dolphin Scheduler:**
-[1.3.3.]
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