Persistence parameters have been set, but not in effect

[c-y-q]

var amqp = require('amqp')
var connection = amqp.createConnection({
host:'127.0.0.1',
post:5672,
login:'test',
password: '123',
vhost: '/test'
})
connection.on('error',function(err){
console.log('connection err : '+err);
})
var queName = 'test_q3',exname='test_ex';
connection.on('ready',function(){
var ex = connection.exchange(${exname},{type:'fanout',durable:true,autoDelete:false});
connection.queue(${queName},{durable:true,autoDelete:false},function(q){

 q.bind(ex,queName,function(){
 	ex.publish(queName,'test msg1',{deliveryMode:2})
 	ex.publish(queName,'test msg2 msg2',{deliveryMode:2})
 })
 setTimeout(function() {
    console.log("Single queue bind callback succeeded");
 //exchange.destroy();
 //queue.destroy();node
     connection.end();
     connection.destroy();
     },1000); 
q.subscribe({ack:true,prefetchCount:1},function(msg){
	q.shift()
	console.log('receive msg : '+msg.data);
})
})

})