Update 2.1.2 release note. (#282)

* Update 2.1.2 release note.

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src/pages/download/release-note/2.1.2.md

@@ -11,19 +11,21 @@ Apache StreamPark (incubating) 2.1.2 is a bug fix version, which fixes some majo
 ----
 
 - Support Flink 1.18 (#3279)
-- Support huawei Flink (#2832)
 
 ### Bugfix
 ---
-
 - Fixed job state mapping bug (#2822)
-- Fixed duplicated task submit (#3028)
+- Fixed job submit bug (#3028)
 - Fixed alert information cannot be sent in cancelling state (#3236)
 - Fixed deploy bug in k8s model (#3021)
+- Fixed ingress to flink ui static resources 404 (#3302)
 
 ### Improvements
 ---
-
+- Improve the adaptation logic for Flink version (#2832)
 - Improve kerberos config (#2833)
 - Improve custom-code job support dependencies (#3291)
-
+- Rename yarn.http-auth option from 'sample' to 'simple'
+- Delete|update syntax support for flink 1.18
+- Extract programArgs improvement
+- Remote submit mode automatically load jars under flink/lib