Ajax search JavaScript plugin has been hard rejected

Hi all, I’m new to CodeCanyon, I’ve submitted a plugin yesterday and just got hard rejected today.
I just wonder what is the reason as I cannot find out.
Could you please check that with me?

Here are the plugin and documentation:
https://drive.google.com/file/d/1uGlfXGIJRx8rL17Os9LPwpxvg3EumfPn/view?usp=sharing

Thanks in advance!