fix

subpages/addMattresses/addMattresses.js

@@ -800,6 +800,7 @@ Page({
     wx.stopWifi({})
     wx.closeBluetoothAdapter();
     wx.offBluetoothDeviceFound();
+    wx.removeStorageSync('doDevices')
     wx.removeStorageSync('deviceList')
     this.closeConnect()
   },