Thanks for your replay. But on the common questions, Adobe stock there are no informations
about my problem. Hope somebody can tell me what's wrong.
Make sure your files are uploaded in sRGB format, they should display normally when done so.
Generally you are better off uploading color versions of your images as opposed to B&W. Most designers prefer to add their own post processing effects including black and white conversions to match their project exactly. As a result, it is more difficult to get black and white content approved fyi.