bug in MyEclipse2020.5.18 with Sogou Chinese Pinyin input method

Sogou Chinese Pinyin input method: https://pinyin.sogou.com/

operation in win10

Operational description:

Double click ,Selected some characters,then Enter some new characters ,Press enter last.

Correct result: The new characters replaces the selected characters

error result: The new characters appears before the selected characters

Detailed operation video:

see error video : https://github.com/zlay0701/MyEclipseBug/blob/master/Error_video_MyEclipse2020.5.18_bug.mp4

error video in MyEclipse 2020.5.18

see Correct video : https://github.com/zlay0701/MyEclipseBug/blob/master/Correct_video_MyEclipse2019.4.mp4

Correct video in MyEclipse 2019.4

Sometimes entering letters or numbers produces different results

This bug will also appear with Microsoft Pinyin input method

https://www.genuitec.com/forums/topic/bug-in-myeclipse2020-5-18-with-sogou-chinese-pinyin-input-method-2/