Please explain the warning on screen of json output

[hongriTianqi]

Details

The warning be like:

Warning: write to json, key element exist and is an object, and abacus will overwrite it with a value.
Warning: write to json, key element exist and is an object, and abacus will overwrite it with a value.

Have you read FAQ on the online manual http://abacus.deepmodeling.com/en/latest/community/faq.html

• [X] Yes, I have read the FAQ part on online manual.

Task list for Issue attackers (only for developers)

• [ ] Understand the problem or question described by the user.
• [ ] Check if the issue is a known problem or has been addressed in the documentation.
• [ ] Test the issue or problem on a similar system or environment, if possible.
• [ ] Identify the root cause or provide clarification on the user's question.
• [ ] Provide a step-by-step guide, including any necessary resources, to resolve the issue or answer the question.
• [ ] If the issue is related to documentation, update the documentation to prevent future confusion (optional).
• [ ] If the issue is related to code, consider implementing a fix or improvement (optional).
• [ ] Review and incorporate any relevant feedback from users or developers.
• [ ] Ensure the user's issue is resolved or their question is answered and close the ticket.

[WHUweiqingzhou]

@grysgreat, could you have a look?

[grysgreat]

@grysgreat, could you have a look?

Sure! In which test this warning appears？

[WHUweiqingzhou]

@grysgreat, could you have a look?

Sure! In which test this warning appears？

@hongriTianqi could you provide more detail?

[grysgreat]

I probably figure out what the problem was, and the change was committed in PR#3818, which might fix it.