系統中持續報錯:The image argument is a canvas element with a width or height of 0

完整報錯:Layer.js?e2f0:197 Uncaught DOMException: Failed to execute 'drawImage' on 'CanvasRenderingContext2D': The image argument is a canvas element with a width or height of 0, 系統中有生成二維碼的drawImage,我一直以爲
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