fix callback function

router/album.js

@@ -126,7 +126,7 @@ router.route("/:id/share")
           if (result == null) {
             let item = {
               user_id: req.user._id,
-              object_id: new ObjectId(album_id),
+              object_id: album._id,
               type: "album",
               cover: album.covers.cover32
             }

router/box.js

@@ -128,7 +128,7 @@ router.route("/:id/share")
           if (result == null) {
             let item = {
               user_id: req.user._id,
-              object_id: new ObjectId(box_id),
+              object_id: box._id,
               type: "box",
               cover: box.covers.cover32
             }

services/database/share.js

@@ -56,7 +56,7 @@ exports.exists = function (object_id, callback) {
   dbo.collection("shares")
     .findOne({ object_id: ObjectId(object_id) })
     .then(result => {
-      cp(callback, result);
+      cb(callback, result);
     });
 }
 
@@ -75,7 +75,7 @@ exports.add = function (item, callback) {
           ])
           .toArray((err, result) => {
             if (err) throw err;
-            cp(callback, result[0]);
+            cb(callback, result[0]);
           })
       }
     });