报错是

E:\Workspace\TZ\LTE-Test\client>node-dev client.js
Starting ping http://www.baidu.com...
exec error: ReferenceError: $await is not defined

代码:

var Wind = require("wind");
Wind.logger.level = Wind.Logging.Level.INFO;

var pingAsync = Wind.Async.Binding.fromStandard(require('./lib/ping'),'data');
var worker = eval(Wind.compile("async", function(job){
  var data
  while(true){
    try {
      job.pingCfg.job.forEach(function(item){
        console.log('Starting ping %s...',item.url);
        result = $await(pingAsync(item.url));
        console.log('ping result: %j',result.data);
      })
    } catch(e){
      console.log('exec error: ' + e);
    }
    $await(Wind.Async.sleep(job.jobInterval*60*1000));
  }
}))
worker(jobObj).start()