There may be two reasons for this problem:
1. You may have speed optimization enabled
If you enabled "Speed Optimization", changes might take up to an hour to take effect. You can disable "Speed Optimization" under the "Advanced" tab in your Photolock dashboard.
2. Your browser may have cached your website
Occasionally browsers cache website files to speed up the loading. You can try clearing your browser's cache and refresh your page to see changes on your site.