old_contents: 'use strict';
  const qiniu = require('./lib/qiniu');
  
  module.exports = app => {
    if (app.config.qiniu.ACCESS_KEY) qiniu(app);
  };
  
new_contents: 'use strict';
  const qiniu = require('./lib/qiniu');
  
  module.exports = app => {
    qiniu(app);
  };
  
subject: test using qiniu plugin