* when post, locate to the view page.
 * adjust the style.
 * adjust the replies page.
 * adjust the reply page.
 * fix the error when print position for reply module.
 * judge user logon or not when edit a thread.
 * adjust the edit page.
 * rewrite the deleteFile() logic.
 * remove the hide method of reply temp.
 * use thread->deleteFile instead.
 * hide the delete reply link temp.
 - remove it.