fix:pdf自带的注释层隐藏

jydocs-pc/src/views/Content.vue

@@ -1410,6 +1410,10 @@ export default {
   .page:not(:first-of-type) {
     border-top: 6px solid #f2f2f2;
   }
+  // pdf自带的注释层样式
+  .annotationLayer {
+    display: none;
+  }
 }
 .preview-content {
   img:not(:first-of-type) {