Try to contact the italki Feedback and Support in the grey box on the left side of this page and ask for help

I don´t know, when I select my photo an click in upload, this only think and think no upload my photo. I try to intent upload diferent photo

Did you try going to the extreme right and using the pull down menu to edit your profile. I could change my picture when I clicked in the pencil icon. Make sure that the image isn't one with extremely high resolution because it may exceed the pixel limit.