[monitor] refactoring. add a transition event on lines when compiling
[monitor] refactoring. add a transition event on lines when compiling

* set observer's circle smaller

ivere27/secc,ivere27/secc,osmanager/secc,osmanager/secc,jason-hwang/secc,jason-hwang/secc,ivere27/secc,jason-hwang/secc,osmanager/secc