bug修复

src/components/PDFView/index.vue

@@ -9,7 +9,7 @@
   </el-button>
   <VuePdfEmbed
     v-else
-    :source="pdfSource"
+    :source="{ url: pdfSource, cMapUrl: '/cmaps/', cMapPacked: true }"
     :page="pageNumber"
     annotation-layer
     text-layer