How do I set default values for horizontal and vertical coordinates

[helloworkcupid]

which version of the Flutter are you using?
Flutter (Channel beta, 3.3.0-0.5.pre
which version of the FlChart are you using?
fl_chart: ^0.55.1
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When the coordinate has only one value (' December 2012 ', 0), neither horizontal nor vertical coordinate has any value displayed. I want to set some default values at this time, such as (0, 1, 2, 3, 4, 5). How to set it? thank you
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[imaNNeo]

Please provide a reproducible code and write more details

[helloworkcupid]

Now,I Want To say ,No data to this Chart,But I Want show some data in Y-coordinate or ordinate, can you help me? Thanks

[imaNNeo]

I didn't understand what you mean