fix: 预览pdf页面优化

Signed-off-by: tangshizhe <48740614+tangshizhe@users.noreply.github.com>

apps/mobile/src/views/common/pdfViewExample.vue

@@ -44,7 +44,7 @@ export default {
       this.pdfUrl = decodeURIComponent(pdfUrl)
     }
     else {
-      const pdfAssets = getAssetsFile('example.pdf')
+      const pdfAssets = getAssetsFile('example-min.pdf')
       this.pdfUrl = pdfAssets
     }
   },