function validate(PK, name, product, licenseKey) {

        var pk, decrypted;

        //加入如下几行

        //-------------START

        return {

            name: "zzzzz",//随意

            product: "StarUML",

            licenseType: "vip",

            quantity: "zzzzzz",//随意

            licenseKey: "zzzzzz"//随意

        };

        //-------------END

        try {

            pk = new NodeRSA(PK);

            decrypted = pk.decrypt(licenseKey, 'utf8');

        } catch (err) {

            return false;

        }

        var terms = decrypted.trim().split("\n");

        if (terms[0] === name && terms[1] === product) {

            return {

                name: name,

                product: product,

                licenseType: terms[2],

                quantity: terms[3],

                licenseKey: licenseKey

            };

        } else {

            return false;

        }

    }