text: 'use strict';
  
  module.exports = function (app) {
    class Certify extends app.Service {
      constructor(ctx) {
        super(ctx);
      }
  
      * exec(cmd) {
        return {
          cmd: cmd,
          method: this.ctx.method,
          url: this.ctx.url,
        };
      }
    }
  
    return Certify;
  };
  