diff --git a/bin/database/module.js b/bin/database/module.js
index daf7886..81945f0 100644
--- a/bin/database/module.js
+++ b/bin/database/module.js
@@ -153,7 +153,7 @@ methods.getUsers = async () => {
  * @return {Object} async(reply, err)
  */
 methods.getUser = async (haystack) => {
-	if(typeof haystack !== 'string' && typeof haystack !== 'object') return {err: new TypeError('email or nickname is not a string|object::database.getUser('+haystack+')', module.filename)};
+	if(typeof haystack !== 'string' && typeof haystack !== 'object') return {err: new TypeError('haystack is not a string|object::database.getUser('+haystack+')', module.filename)};
 
 	let userModel = models.user;
 
@@ -200,14 +200,14 @@ methods.getUser = async (haystack) => {
  * @return {Object} async(reply, err)
  */
 methods.updateUser = async (id, obj) => {
-	if(typeof id !== 'string') return {err: new TypeError('id is not a string::database.updateUser('+id+','+JSON.stringify(obj)+')', module.filename)};
+	if(!(typeof id === 'string' || id instanceof mongoose.Types.ObjectId)) return {err: new TypeError('id is not a string::database.updateUser('+id+','+JSON.stringify(obj)+')', module.filename)};
 	if(typeof obj !== 'object') return {err: new TypeError('obj is not an object::database.updateUser('+id+','+JSON.stringify(obj)+')', module.filename)};
 
 	let userModel = models.user;
 
 	try {
 		data = await userModel.findByIdAndUpdate(id, obj).exec();
-		return {data: data};
+		return {reply: data};
 	} catch(err) {
 		return {err: err};
 	}
@@ -225,7 +225,7 @@ methods.updateUser = async (id, obj) => {
  * @return {Object} async({date => 'Login Date', token => 'RememberMe Cookie Token'}, err)
  */
 methods.addActivity = async (id, data) => {
-	if(typeof id !== 'string') return {err: new TypeError('id is not a string::database.updateNewAction('+id+','+JSON.stringify(options)+')', module.filename)};
+	if(!(typeof id === 'string' || id instanceof mongoose.Types.ObjectId)) return {err: new TypeError('id is not a string::database.updateNewAction('+id+','+JSON.stringify(options)+')', module.filename)};
 	if(typeof options !== 'object' && options !== null) return {err: new TypeError('obj is not an object::database.updateUserProfile('+id+','+JSON.stringify(obj)+')', module.filename)};
 
 	let date = new Date().toISOString();
@@ -345,12 +345,12 @@ methods.getGroup = async (haystack) => {
  */
 methods.addGroup = async (name, roles) => {
 	if(typeof name !== 'string') return {err: new TypeError('name is not a string::database.addGroup('+name+','+roles+')', module.filename)};
-	if(typeof roles !== 'string') return {err: new TypeError('name is not a string::database.addGroup('+name+','+roles+')', module.filename)};
+	if(typeof roles !== 'string') return {err: new TypeError('roles is not a string::database.addGroup('+name+','+roles+')', module.filename)};
 
 	let groupModel = models.group;
 
 	let group = new groupModel();
-	
+
 	// sanitize input
 	group.name = sanitize(nick);
 	group.roles = sanitize(email);
@@ -372,14 +372,14 @@ methods.addGroup = async (name, roles) => {
  * @return {Object} async(reply, err)
  */
 methods.updateGroup = async (id, obj) => {
-	if(typeof id !== 'string') return {err: new TypeError('id is not a string::database.updateGroup('+id+','+JSON.stringify(obj)+')', module.filename)};
+	if(!(typeof id === 'string' || id instanceof mongoose.Types.ObjectId)) return {err: new TypeError('id is not a string::database.updateGroup('+id+','+JSON.stringify(obj)+')', module.filename)};
 	if(typeof obj !== 'object') return {err: new TypeError('obj is not an object::database.updateGroup('+id+','+JSON.stringify(obj)+')', module.filename)};
 
 	let groupModel = models.group;
 
 	try {
 		data = await groupModel.findByIdAndUpdate(id, obj).exec();
-		return {data: data};
+		return {reply: data};
 	} catch(err) {
 		return {err: err};
 	}