{
   "result": 1,
   "description": null,
   "payload1": [
     {
      "id":123,
       "question": "怎么洗？",
       "answer": "使用微信扫码支付并选择套餐，然后按下洗衣机的红色按钮洗衣。<a href=\"/home/sites/video/4.mp4\">播放视频</a> <img src=\"/1.0/img/b1.jpg\">",
       "devType":"洗衣机"
     }
   ]
 }