pdf预览添加v-if避免不同资源出现错误。

src/components/PDFDrawerView/index.vue

@@ -93,7 +93,14 @@ const config = ref({
     @closed="onDrawerClose"
     size="80%"
   >
-    <VuePdfApp class="mid-pdf-box" :pdf="pdfSource" page-scale="page-fit" :page-number="1" :config="config"></VuePdfApp>
+    <VuePdfApp
+      v-if="pdfSource"
+      class="mid-pdf-box"
+      :pdf="pdfSource"
+      page-scale="page-fit"
+      :page-number="1"
+      :config="config"
+    ></VuePdfApp>
   </el-drawer>
 </template>