update

src/views/Screen/ScreenSlide.vue

@@ -70,9 +70,9 @@ const iframeScale = computed(() => {
 
   }
   return {
-      width: viewportSize + 'px',
-      height: viewportSize * viewportRatio + 'px',
-      transform: `scale(${props.scale})`,
+    width: viewportSize.value + 'px',
+    height: viewportSize.value * viewportRatio.value + 'px',
+    transform: `scale(${props.scale})`,
   }
 })
 </script>