修复pdf bug

src/views/Editor/ExportDialog/ExportPDF.vue

@@ -5,7 +5,7 @@
         <ThumbnailSlide 
           class="thumbnail" 
           :slide="currentSlide" 
-          :size="1600" 
+          :size="viewportRatio<1 ? VIEWPORT_SIZE : VIEWPORT_VER_SIZE" 
           v-if="rangeType === 'current'"
         />
         <template v-else>
@@ -15,7 +15,7 @@
             v-for="(slide, index) in slides" 
             :key="slide.id" 
             :slide="slide" 
-            :size="1600" 
+            :size="viewportRatio<1 ? VIEWPORT_SIZE : VIEWPORT_VER_SIZE" 
           />
         </template>
       </div>
@@ -88,9 +88,10 @@ const padding = ref(false)
 
 const expPDF = () => {
   if (!pdfThumbnailsRef.value) return
+  const width = viewportRatio.value<1 ? VIEWPORT_SIZE : VIEWPORT_VER_SIZE
   const pageSize = {
-    width: 1600,
-    height: rangeType.value === 'all' ? 1600 * viewportRatio.value * count.value : 1600 * viewportRatio.value,
+    width: width,
+    height: rangeType.value === 'all' ? width * viewportRatio.value * count.value : width * viewportRatio.value,
     margin: padding.value ? 50 : 0,
   }
   print(pdfThumbnailsRef.value, pageSize)