why subcribe failed

[Mike2017go]

As the followwing error msg
connected to server RabbitMQ/3.7.18 stomp.js:134 send PING every 8000ms stomp.js:134 check PONG every 8000ms stomp.js:134 >>> SUBSCRIBE id:sub-0 destination:/queue/q1

On the Web, It shows it subscribed successfully. However, It did not go in the call back function and recevie msg.

` this.client = Stomp.client('ws://127.0.0.1:15674/ws')

onConnected: function (frame) {
  this.client.subscribe(

    "/queue/q1",

    function(d){
      console.log('context： ', d.body)
    },

    this.onFailed        this.onFailed
  )
},

`

plz can you help me fix the problem?