diff --git a/public/static/index/default/images/preview.jpg b/public/static/index/default/images/preview.jpg
old mode 100755
new mode 100644
index f8a126ecc3b21ab8b522d94565cdd7fc2def0fd0..7cc0d5a888f82350cb41625d2a3ba65398dae04b
Binary files a/public/static/index/default/images/preview.jpg and b/public/static/index/default/images/preview.jpg differ