使用QQ时，配置好之后，点击<%= link_to "Sign in with QQ", "/auth/qq_connect" %>出错：client id is illegal(100008)

#omniauth.rb的内容
Rails.application.config.middleware.use OmniAuth::Builder do
    #provider :identity
    provider :qq_connect, ENV['×××'], ENV['×××']
end

是哪一快没配置好吗？