diff --git a/src/apps/AppInfotainment/newsDetail.vue b/src/apps/AppInfotainment/newsDetail.vue
index 622460cf..bf2fa242 100644
--- a/src/apps/AppInfotainment/newsDetail.vue
+++ b/src/apps/AppInfotainment/newsDetail.vue
@@ -87,18 +87,9 @@ export default {
           current: file.accessUrl
         })
       } else {
-        uni.downloadFile({
+        uni.previewFile({
           url: file.accessUrl,
-          success: function (res) {
-            var filePath = res.tempFilePath
-            uni.openDocument({
-              filePath: filePath,
-              showMenu: true,
-              success: function (res) {
-                console.log('打开文档成功')
-              }
-            })
-          }
+          size: file.size
         })
       }
     },