update zh-cn/release-notes/OpenHarmony-Release-Notes.md.

add  zh-cn/release-notes/OpenHarmony-1-1-1-LTS.md
Signed-off-by: NNEEN <neen.yang@huawei.com>

zh-cn/release-notes/OpenHarmony-Release-Notes.md

 # OpenHarmony Release Notes
-
+## OpenHarmony 2.x Releases
 -   [OpenHarmony 2.0 Canary (2021-06-02)](OpenHarmony-2-0-Canary.md)
--   [OpenHarmony 1.1.0 LTS（2021-04-01）](OpenHarmony-1-1-0-LTS.md)
--   [OpenHarmony 1.0（2020-09-10）](OpenHarmony-1-0.md)
+## OpenHarmony 1.x Releases
+-   [OpenHarmony 1.1.1 LTS (2021-06-22)](OpenHarmony-1-1-1-LTS.md)
+-   [OpenHarmony 1.1.0 LTS (2021-04-01)](OpenHarmony-1-1-0-LTS.md)
+-   [OpenHarmony 1.0 (2020-09-10)](OpenHarmony-1-0.md)