Due to aggressive post-processing of your camera, details got washed out:
In addition, your camera (smartphone?) did some fake depth of field and that failed:
In addition to camera induced defects, the framing of the picture is bad. It's a picture of your nice cat sleeping, of interest only to you. When you submit to stock, you should ask yourself the question: Why would a potential buyer buy especially this picture? There are thousands of thousands cat pictures in the database, so your addition needs to be special.
If you are new to stock, you should consider these resources: https://helpx.adobe.com/stock/contributor/tutorials.html
Please read the contributor user manual for more information on Adobe stock contributions: https://helpx.adobe.com/stock/contributor/user-guide.html
See here for rejection reasons: https://helpx.adobe.com/stock/contributor/help/reasons-for-content-rejection.html
and especially quality and technical issues: https://helpx.adobe.com/stock/contributor/help/quality-and-technical-issues.html
thank you. i will try to improve my picture.