获取此错误
在此页面
<%= f.label:remote_image_url,"或图片网址" %GT;
<%= f.text_field:remote_image_url%>
模型
class Gamepic < ActiveRecord::Base
belongs_to :gallery
mount_uploader :gamepic, GamepicUploader
private
def Gamepic_params
params.require(:gamepic).permit(:gameid, :gamename, :gamepic, :remote_image_url)
end
end