Plurk authorization problem

I tried to setup plurk account, I had create the plurk app, I got the APP key, APP secret.
But the authorization cannot be done,

I tried to remove the plurk account, but it’s bugged, it cannot be removed, please help

REQ Token URL: http://www.plurk.com/OAuth/access_token?oauth_nonce=j05dj33s&oauth_timestamp=1460623866&oauth_token_secret=&oauth_signature_method=HMAC-SHA1&oauth_consumer_key=PciyBminiXBl&oauth_verifier=786640&oauth_version=1.0&oauth_token=&oauth_signature=9b0SKlUgG12Yz4wU0V2AF5%2BmUcE%3D
Bad oAuth Login:
Bad Request
40007:missing request token
ERROR: Authorization Error: