diff --git a/lib/controllers/ModelSubdocController.js b/lib/controllers/ModelSubdocController.js
index 8952d0f..13a5e84 100644
--- a/lib/controllers/ModelSubdocController.js
+++ b/lib/controllers/ModelSubdocController.js
@@ -20,29 +20,29 @@ module.exports = function(app, name){
 		//default data get method
 		//trigger method for data collection get
 		//The fetched record is at req.record
-		beforeGetItem: function(req, res){},
+		beforeGetItem: function(req, res, next){next();},
 		afterGetItem: function(req, res){},
 
 		//trigger method for data collection fetch
 		//The fetched records is at req.recordCollection
-		beforeGetCollection: function(req, res){},
+		beforeGetCollection: function(req, res, next){next();},
 		afterGetCollection: function(req, res){},
 
 		//trigger method for data create
 		//The created record is at req.record
-		beforeCreate: function(req, res){},
+		beforeCreate: function(req, res, next){next();},
 		afterCreate: function(req, res){},
 
 		//trigger method for data update
 		//The old record is at req.record
 		//The new record is at req.recordNew
-		beforeUpdate: function(req, res){},
+		beforeUpdate: function(req, res, next){next();},
 		afterUpdate: function(req, res){},
 
 
 		//trigger method for data delete
 		//The old record is at req.record
-		beforeDelete: function(req, res){},
+		beforeDelete: function(req, res, next){next();},
 		afterDelete: function(req, res){},
 
 		ensureExists:function(req,res,next){
@@ -72,62 +72,66 @@ module.exports = function(app, name){
 			});
 		},
 		getItem:function(req,res){
-			getSelf().beforeGetItem();
-			var item = req.record.get(getSelf()._path).id(req.params.subId);
-			if(item){
-				res.json(200,item);
-			}else{
-				res.send(406);
-			}
-			getSelf().afterGetItem();
+			getSelf().beforeGetItem(req,res,function(){
+				var item = req.record.get(getSelf()._path).id(req.params.subId);
+				if(item){
+					res.json(200,item);
+				}else{
+					res.send(406);
+				}
+				getSelf().afterGetItem();
+			});
 		},
 		getCollection: function(req, res){
-			getSelf().beforeGetCollection(req, res);
-			var results = app.openbiz.services.ArrayPaginator(req.record.get(getSelf()._path),req.query);
-			res.json(200,results);
-			getSelf().afterGetCollection(req, res);
+			getSelf().beforeGetCollection(req, res,function(){
+				var results = app.openbiz.services.ArrayPaginator(req.record.get(getSelf()._path),req.query);
+				res.json(200,results);
+				getSelf().afterGetCollection(req, res);
+			});
 		},
 		delete:function(req,res){
-			getSelf().beforeDelete(req, res);
-			var item = req.record.get(getSelf()._path).id(req.params.subId);
-			if(item == null){
-				res.send(304);
-			}
-			else{
-				getSelf().processChangeLog(req,"DELETE",item);
-				req.record.get(getSelf()._path).remove(item);
-				req.record.save(function(err){
-					if(err){
-						res.json(500,{error:err});
-					}
-					else{
-						getSelf().afterDelete(req, res);
-						res.send(204);
-					}
-				});
-			}
+			getSelf().beforeDelete(req, res,function(){
+				var item = req.record.get(getSelf()._path).id(req.params.subId);
+				if(item == null){
+					res.send(304);
+				}
+				else{
+					getSelf().processChangeLog(req,"DELETE",item);
+					req.record.get(getSelf()._path).remove(item);
+					req.record.save(function(err){
+						if(err){
+							res.json(500,{error:err});
+						}
+						else{
+							getSelf().afterDelete(req, res);
+							res.send(204);
+						}
+					});
+				}
+			});
 		},
 		update:function(req,res){
-			getSelf().beforeUpdate(req, res);
-			var item = req.record.get(getSelf()._path).id(req.params.subId);
-			if(item == null){
-				res.send(304);
-			}else{
-				getSelf().processChangeLog(req,"UPDATE",item);
-				for(var i in req.body){
-					item[i] = req.body[i];
-				}
-				req.record.save(function(err){
-					if(err){
-						res.json(500,{error:err});
-					}
-					else{
-						req.recordNew = req.record;
-						getSelf().afterUpdate(req, res);
-						res.send(204);
+			getSelf().beforeUpdate(req, res,function(){
+				var item = req.record.get(getSelf()._path).id(req.params.subId);
+				if(item == null){
+					res.send(304);
+				}else{
+					getSelf().processChangeLog(req,"UPDATE",item);
+					for(var i in req.body){
+						item[i] = req.body[i];
 					}
-				});
-			}
+					req.record.save(function(err){
+						if(err){
+							res.json(500,{error:err});
+						}
+						else{
+							req.recordNew = req.record;
+							getSelf().afterUpdate(req, res);
+							res.send(204);
+						}
+					});
+				}
+			});
 		},
 		processChangeLog:function(req,action,item){
 			var updateLog = {
@@ -140,7 +144,10 @@ module.exports = function(app, name){
 			switch(action){
 				case "UPDATE": {
 					for(var i in req.body){
-						if(!_.isEqual(item[i], req.body[i])){
+						if(_.isDate(req.record[i])){
+							req.body[i] = new Date(req.body[i]);
+						}
+						if(!_.isEqual(item[i].toString(), req.body[i].toString())){
 							updateLog.original[i] = item[i];
 							updateLog.current[i] = req.body[i];
 						}