Traditional Chinese words to be Garbled

[MarkSky]

Installed product versions

• Visual Studio: 2015 Community
• This extension: 0.6.16

Description

I have to write some Chinese Words in alert or in comments.
But after I click Make Prettier button, the Chinese words to be garbled.

Steps to recreate

I key the code: alert('系統錯誤，請稍後再試！');
Then I click Make Prettier button.
And the code become: alert("�t�ο��~�A�еy���A�աI");