* fix 2 notices.
 * fix empty category notice.
 * format codes.
 * fix empty category notice.
 * fix pathname notice.
 * fix spelling bug.
 * adjust code.
Merge branch 'master' of https://xirang.5upm.net/git/chanzhieps
 * Add default param.
 * use getError instead of geterror.
 * fix getError.
 * fix spelling bug.
 * fix $user->account notice.
 * just $message->event exists.
 * fix notices.
 * adjust links style.
 * adjust slide style.
 * adjust message style.
 * Hide the footer block.
 * rm the default link of article and product.
 * Add article-content class for margin of p.