AnalogRead UART problem

I have connected the Arduino Uno & Bolt iot device via UART. I want to upload the data of analogread A0 & A1. when I tried with only A0 it was working but when I included both A0 & A1 then it’s not working. Screenshot of Arduino code & JS code is attached. Please help

Hi @aninda0690,

Apology for the delay in response. We missed out to replying on this query. I am inviting @vinayak.joshi. He will help you out with this query.