WordPress post are not updated

Hello,
i am faceing a problem with wordpress
it’s screenshort from WP back-end : https://www.diigo.com/item/image/4onad/hako
when i try to edit this post and try to update then i got a message like this:[Page updated] but when i go the main front-page i saw nothing change was happend.
now please someone tell me how can i fix this problem.
Here the front-end screenshort : https://www.diigo.com/item/image/4onad/e8nj
please kindlly someone help me
Thank you _
Niloy