added changelog comments
added changelog comments

LeiPei/RobotProject,LeiPei/RobotProject,LemonHa/RobotProject,RyanSirot/RobotProject,RyanSirot/RobotProject,LemonHa/RobotProject,RyanSirot/RobotProject,LeiPei/RobotProject,LemonHa/RobotProject