Refresh Visualization Editor

Hi,all.

Problem
I have a Visualization Editor Refresh problem,like this:
1.save a Dashboards with a Chart-Pie, and this moment is ok (it can see the Chart) ;
2.when the Chart Data change, the Chart is Missed;
No matter how I refresh the page, the Chart is Missed;

3.then it need to execute the sql , and edit visualization and save,
At last refresh the Dashboards web page, and then it can see the Chart-Pie.

Setting

the Chart Data change: 2 Pie => 3 Pie

Version
7.0.0+b18042

Is my setting wrong?
thank you the all.

Thank you for the detailed report. This issue was fixed here:

And this will be part of the next release.