版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/metrics-graphics/2.15.6/metricsgraphics.css
- https://cdn.bootcdn.net/ajax/libs/metrics-graphics/2.15.6/metricsgraphics.js
- https://cdn.bootcdn.net/ajax/libs/metrics-graphics/2.15.6/metricsgraphics.min.css
- https://cdn.bootcdn.net/ajax/libs/metrics-graphics/2.15.6/metricsgraphics.min.css.map
- https://cdn.bootcdn.net/ajax/libs/metrics-graphics/2.15.6/metricsgraphics.min.js