|Add a new feature: https://github.com/SiwenFeng/micro-note/tree/SiwenFeng-issue-2-1 <br/> Fix code: https://github.com/SiwenFeng/z-Note/tree/SiwenFeng-fix-1|Add a new feature: https://github.com/SiwenFeng/micro-note/pull/1 <br/> Fix code: https://github.com/SiwenFeng/z-Note/pull/1|Pull 1: https://github.com/SiwenFeng/whiteboard/pull/1 <br/> Pull 2https://github.com/SiwenFeng/whiteboard/pull/5 <br/> Pull 3: https://github.com/SiwenFeng/whiteboard/pull/3