response错误：Request header field Content-Type is not allowed by Access-Control-Allow-Headers in prefl

 response.setHeader("Access-Control-Allow-Origin", "*");  
        response.setHeader("Access-Control-Allow-Methods", "POST, GET");  
        response.setHeader("Access-Control-Max-Age", "3600"); 
        response.setContentType("text/html;charset=UTF-8"); 
        response.setHeader("Access-Control-Allow-Headers", "Authentication,Origin,x-requested-with,Content-Type, Accept");