When you close firefox,you cant really close it ,because there is Memory leak!
When you download a file , CPU usage goto 100%??I guess there is Bitcoin Mining in background!

奉勸大家不要使用此插件
1.佔用太多記憶體,關閉瀏覽器時會導致memory leak 而無法關閉!
2.這還要加裝某個程式才能下載影片,下載過程非常緩慢 cpu 會滿載,我懷疑這程式背景正在做"挖礦"!