diff --git a/router/album.js b/router/album.js
index a4434be..4d97485 100644
--- a/router/album.js
+++ b/router/album.js
@@ -126,7 +126,7 @@ router.route("/:id/share")
           if (result == null) {
             let item = {
               user_id: req.user._id,
-              object_id: album._id,
+              object_id: new ObjectId(album_id),
               title: album.title,
               type: "album",
               cover: album.covers.cover32
diff --git a/router/box.js b/router/box.js
index 947fdf7..2aec8c7 100644
--- a/router/box.js
+++ b/router/box.js
@@ -128,7 +128,7 @@ router.route("/:id/share")
           if (result == null) {
             let item = {
               user_id: req.user._id,
-              object_id: box._id,
+              object_id: new ObjectId(box_id),
               title: box.title,
               type: "box",
               cover: box.covers.cover32