Don’t upgrade to Pr 2017 11.1 or later不要升级到Pr 2017 11.1或之后的版本
Since Pr 2017 version 11.1 disabled Title export and provided a whole new Title feature. And it’s not stable yet. Please stay in Pr 2017 version 11.0, don’t upgrade.因为Pr 2017 11.1版本取消了字幕PRTL文件的导出，取而代之是全新的字幕制作方式。请保持在Pr 2017或更旧的版本，不要升级。
There is an article about Subtitle Edit Pro and Finalsrt on the most famous blog of Final Cut Pro. Please click on the below link:
Report a bug or request a function
Please send email to firstname.lastname@example.org, attach your SRT, XML and prtl files.
Please check: 1.Is your SRT file is a standard one? 2. Make sure your Premiere sequence is blank and the setting is right.
Some users reported that they cannot align the subtitle center in Premiere Title panel. Please drag to make a subtitle input box, NOT Click to make one.