瞎改

src/component/Canvas/CanvasEditor/utils/imageHelper.js

@@ -2208,8 +2208,13 @@ export const resizeImage = async (base64, width, height) => {
       const canvas = document.createElement("canvas");
       canvas.width = width;
       canvas.height = height;
+	  const scale = height / img.height;
+	  const w = img.width * scale;
+	  const h = img.height * scale;
+	  const x = (width - w) / 2;
+	  const y = 0;
       const ctx = canvas.getContext("2d");
-      ctx.drawImage(img, 0, 0, width, height);
+      ctx.drawImage(img, x, y, w, h);
       resolve(canvas.toDataURL());
     };
     img.onerror = reject;