check_twitter_oauth()中的错误:OAuth认证错误-不能传递OAuth

I am a newbie on R. I haven practice text mining couple of days. I ben use same OAuth process (actually I am using a few hours ago). Middle of nowhere, I can't pass the authorization process. Because of the problem, I just regenerate all keys and search for answers but I still have same problem. Any help will be much appreciate it. I am a newbie on R. I haven practice text minin