feature: 设置设备列表的网络图片

utils/lexin/message.js

@@ -31,6 +31,7 @@ function getDeviceInfo(payloads) {
   var SrcDeviceName = payloads.SrcDeviceName;
 
   ///连上就调用2次 payloads.SrcDeviceName:AIrSMArT_7cdfa1fcbb24
+  const app = getApp();
   const strings = require('../strings');
   const lexin_util = require('../lexin/util');
   var pages = getCurrentPages();