版本：2.3.0
- https://cdn.bootcss.com/color-thief/2.3.0/color-thief.js
- https://cdn.bootcss.com/color-thief/2.3.0/color-thief.min.js
- https://cdn.bootcss.com/color-thief/2.3.0/color-thief.umd.js
版本：2.2.1
- https://cdn.bootcss.com/color-thief/2.2.1/color-thief.js
- https://cdn.bootcss.com/color-thief/2.2.1/color-thief.min.js
- https://cdn.bootcss.com/color-thief/2.2.1/color-thief.umd.js
版本：2.2.0
- https://cdn.bootcss.com/color-thief/2.2.0/color-thief.js
- https://cdn.bootcss.com/color-thief/2.2.0/color-thief.min.js
- https://cdn.bootcss.com/color-thief/2.2.0/color-thief.umd.js
版本：2.1.0
- https://cdn.bootcss.com/color-thief/2.1.0/color-thief.min.js
版本：2.0.1
- https://cdn.bootcss.com/color-thief/2.0.1/color-thief.min.js