add refund and fix some order

Helius

2021-09-23 2ac550a8e49e1e6105793a30c3e21a37f4397cff

 .gitignore

@@ -1,6 +1,7 @@
HELP.md
target/
logs/
log/
!.mvn/wrapper/maven-wrapper.jar
!**/src/main/**
!**/src/test/**