解决phantomjs截图失败,phantom.exit位置的问题

var page = require('webpage').create(), 
 system = require('system'), 
 address,file; 
 
if (system.args.length === 1) { 
 console.log('Usage: netlog.js <some URL>'); 
 phantom.exit(1); 
} else { 
 address = system.args[1]; 
 file = system.args[2]; 
 
 page.open(address, function (status) { 
  if (status == 'success') { 
   console.log('success file is ' + file); 
  } 
  window.setTimeout(function () 
   { 
   console.log('render ok'); 
   page.render(file); 
   phantom.exit();//<span style="color:#ff0000;">必须在settimeout里面调用结束语句</span> 
   },60*1000); 
   
 }); 
}