fix mongoose schema

src/server/models/attachment.js

@@ -28,7 +28,7 @@ module.exports = function(crowi) {
     originalName: { type: String },
     fileFormat: { type: String, required: true },
     fileSize: { type: Number, default: 0 },
-    createdAt: { type: Date, default: Date.now() },
+    createdAt: { type: Date, default: Date.now },
   });
 
   attachmentSchema.virtual('filePathProxied').get(function() {

src/server/models/bookmark.js

@@ -13,7 +13,7 @@ module.exports = function(crowi) {
   bookmarkSchema = new mongoose.Schema({
     page: { type: ObjectId, ref: 'Page', index: true },
     user: { type: ObjectId, ref: 'User', index: true },
-    createdAt: { type: Date, default: Date.now() },
+    createdAt: { type: Date, default: Date.now },
   });
   bookmarkSchema.index({ page: 1, user: 1 }, { unique: true });
 

src/server/models/page.js

@@ -57,8 +57,8 @@ const pageSchema = new mongoose.Schema({
   pageIdOnHackmd: String,
   revisionHackmdSynced: { type: ObjectId, ref: 'Revision' }, // the revision that is synced to HackMD
   hasDraftOnHackmd: { type: Boolean }, // set true if revision and revisionHackmdSynced are same but HackMD document has modified
-  createdAt: { type: Date, default: Date.now() },
-  updatedAt: { type: Date, default: Date.now() },
+  createdAt: { type: Date, default: Date.now },
+  updatedAt: { type: Date, default: Date.now },
 }, {
   toJSON: { getters: true },
   toObject: { getters: true },