可能重复：
Graph Facebook API giving cURL error when trying to post to a user's wall
如何解决这个问题？
帮助;（
Fatal error: Uncaught CurlException: 77: error setting certificate
verify locations: CAfile: /etc/pki/tls/certs/ca-bundle.crt
CApath: none thrown in
/home/firstman/public_html/inc/lib/base_facebook.php on line 814