一直报错是哪里不对吗

选中图片报错 ，移动裁剪框报错index.umd.min.js?1c31:1 [system] DOMException: Failed to execute 'getImageData' on 'CanvasRenderingContext2D': The source width is 0.

点击确定 报错 index.umd.min.js?1c31:1 [system] TypeError: Cannot read property 'data' of undefined，无法裁剪