Results 2 issues of lm379

I have installed apksigner, zipalign and apktool through apt. My system version is Ubuntu 20.04. But the running error is as follows ``` root@iZt4n1y2rttuje44k7fngbZ:~/xapk-to-apk# python3 xapktoapk.py test.xapk [*] start [*]...