fix

business/pages/deskcenter/index.js

@@ -71,7 +71,7 @@ Page({
     const {sid, from} = options;
     this.setData({
       sid: sid || 0,
-      from,
+      from: from || '',
       guideDailogShow: from && from == 'onekeydeployment' ? true : false,
     })
     this.analyzeclasshourGet(1);