(2019/2/16) Alienware Arena 外星人每日解密任務答案 How to get rid of ghosts?

題目：How to get rid of ghosts? (Need help? Visit the forums)

答案：https://www.alienwarearena.com/ucf/show/1863781/boards/site-bug-reports/ForumPost/solved-persistent-notifications

分值：8