No route matches [GET] "/system/post_images/entities/000/000/961/large/15%E5%8F%B3%E5%89%8D%E6%96%B9%E7%82%BA%E7%A9%B4%E9%BB%9E%E5%B2%B8%E5%B1%B1DSC09854.JPG"
Try running rake routes for more information on available routes.
rake routes