处理裁剪图片默认宽高

src/components/VideoCrop.vue

@@ -285,8 +285,8 @@ const onImageLoaded = (val: any) => {
     rectData.value = {
       left: 0,
       top: 0,
-      width: imageWidth,
-      height: imageHeight
+      width: img.width,
+      height: img.height
     }
   }
 }