# File lib/omniauth/strategies/oauth/tsina.rb, line 76
      def user_hash
        # http://api.t.sina.com.cn/users/show/:id.json?source=appkey
        # @access_token.params[:user_id] is the UID
        # @api_key is the appkey
        uid = @access_token.params[:user_id]
        @user_hash ||= MultiJson.decode(@access_token.get("http://api.t.sina.com.cn/users/show/#{uid}.json?source=#{@api_key}").body)
      end