it will flash when recode screen

[NihaoKangkang]

Describe the bug
when you open a sublime and type some words then stop recording
watch the recorded video and you'll see flash badly when you type

To Reproduce
Steps to reproduce the behavior:

1. Go to 'recode full screen'
2. Click on 'sublime or putty'
3. See error

Expected behavior
flash

Screenshots
I delete it

Desktop (please complete the following information):

• OS: [windows 2016 lstc]
• RAM: [32GB]
• CPU: [i7 2.6Ghz]
• Graphic Card:2060
• Captura Version: [v9.0.0 beta4]

Additional context
none

come on guys!

[NihaoKangkang]

you can contact me for more details
my english is sXck
kyiwong97@gmail.com

[NihaoKangkang]

then I reinstall v8.0.0
v8.0.0 is no problem and can record 30fps