3D-Wind-Field-master NetCDF v3.x file

I sourced from this site ‘GitHub - RaymanNg/3D-Wind-Field: Visualize wind field on Cesium’ via github
Download and run.

Here, the demo.nc file will work soon.
But other .nc files give me an error.

Do you ever need to edit js?
Give me an answer

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utils.js:11 Uncaught TypeError: Not a valid NetCDF v3.x file: should start with CDF

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