diff --git a/app/src/main/java/jp/atled/agileworks/view/ui/documentweb/DocumentWebDownload.kt b/app/src/main/java/jp/atled/agileworks/view/ui/documentweb/DocumentWebDownload.kt
index 96a30b598dfe1d6f9f4b867079bb071ebb80c604..630466cbab8d33b628398833b7c8768380926f8c 100644
--- a/app/src/main/java/jp/atled/agileworks/view/ui/documentweb/DocumentWebDownload.kt
+++ b/app/src/main/java/jp/atled/agileworks/view/ui/documentweb/DocumentWebDownload.kt
@@ -148,6 +148,8 @@ class DocumentWebDownloader(private val handlingFragment: Fragment, private val
                                 .setProgress(0, 0, false)
                                 .setAutoCancel(true)
                         notificationManager.notify(NOTIFICATION_TAG, notificationId, progressNotificationBuilder.build())
+                        // 通知とは別に自動でビューア起動
+                        pendingIntent.send()
                     }.onFailure {
                         Log.e(TAG, "dowload failure: ", it)
                         progressNotificationBuilder