ruanwenjun opened a new issue #5015:
URL: https://github.com/apache/incubator-dolphinscheduler/issues/5015
**Describe the question**
The return value of some interfaces is not clear, such as you see in
xxController.
**What are the current deficiencies and the benefits of improvement**
Clarifying the type of the method's return value can make the code read
better.
**Which version of DolphinScheduler:**
-[1.3.x]
-[dev]
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