您可以在index.html（或安装iOS 8 beta 2，似乎已经解决了这个问题）的一些Javascript修复这个问题：
https://gist.github.com/EddyVerbruggen/cd02c73162180793513e#file-ios8-beta-phonegap-fix

You can fix this with a bit of Javascript in your index.html (or install iOS 8 beta 2, which seems to have fixed the issue): https://gist.github.com/EddyVerbruggen/cd02c73162180793513e#file-ios8-beta-phonegap-fix

// temp fix for iOS8 beta, add it after the reference to cordova.js
// You don't actually require it for ios 8 beta 5
if (navigator.userAgent === undefined) {
  navigator.__defineGetter__('userAgent', function() {
    return("Mozilla/5.0 (iPhone; CPU iPhone OS 8_0 like Mac OS X) AppleWebKit");
  });
}