How to change config.xml anyway

<allow-navigation href="http://*/*" />
  <allow-intent href="*" />
  <access origin="*" />
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It didn’t work, and then in

http://stackoverflow.com/questions/30161952/ionic-angular-how-to-avoid-the-404-not-found-from-cache-after-post-reque
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Uninstall the whitelist plugin and install it again

cordova plugin remove cordova-plugin-whitelist
cordova plugin add cordova-plugin-whitelist
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Nobody knows why, but it’s good, right