Update portScan.py

Merge pull request #262 from TophantTechnology/fix/1224-3

update

Merge pull request #215 from TophantTechnology/fix/arl2.4.1

Fix/arl2.4.1

Merge pull request #178 from TophantTechnology/fix/0722

更新 ARL 2.4

Merge pull request #138 from TophantTechnology/fix/0519

update

Merge pull request #102 from TophantTechnology/fix/0319

更新图片和说明

更新前端

Update requirements.txt

arl 2.1