.encrypt(this.set.input, this.set.passphrase).toString();
                } catch (e) {
                    layer.msg(e.message, {icon:2});
                    this.set.output = ''
                }
            },
            decrypt() {
                if(this.set.input == '' || this.set.passphrase == '') return;
                try {
                    if(this.encrypt_type == 'SM4-ECB'){
                        var key = this.stringToHex(this.set.passphrase);
                        if(key.len