**Feature Request**
Brief title for your desired feature:
我需要如图把其定住，然后无论我刷新，重新打开编辑器，工具条的形状和位置都不会变化（当我屏幕分辨率一致时）。
How would you like the feature to work?
添加一个图钉按钮在tools
Why is this feature important to you?
发现有打开编辑器后工具条位置和形状恢复默认状态了，没有保留用户操作习惯
![enter image description here][1]
[1]: /editor/20160518/573c75a3959f9.png
Brand new interactions and interfaces. 
Easy to use and quick to get started. 
