diff --git a/examples/singleon/chat/main.go b/examples/singleon/chat/main.go
index a2d66d9..f874f34 100644
--- a/examples/singleon/chat/main.go
+++ b/examples/singleon/chat/main.go
@@ -115,7 +115,7 @@ func (mgr *RoomManager) Join(s *session.Session, msg []byte) error {
 	fakeUID := s.ID() //just use s.ID as uid !!!
 	s.Bind(fakeUID)   // binding session uids.Set(roomIDKey, room)
 	s.Set(roomIDKey, room)
-	s.Push("onMembers", &AllMembers{Members: room.group.Members()})
+	s.Push("onMembers", &AllMembers{Members: room.group.MemberIDs()})
 	// notify others
 	room.group.Broadcast("onNewUser", &NewUser{Content: fmt.Sprintf("New user: %d", s.ID())})
 	// new user join group
diff --git a/group.go b/group.go
index 23e1d21..2af8402 100644
--- a/group.go
+++ b/group.go
@@ -51,8 +51,16 @@ func (c *Group) Member(uid int64) (*session.Session, error) {
 	return nil, ErrMemberNotFound
 }
 
-// Members returns all member's UID in current group
-func (c *Group) Members() []int64 {
+// Members returns all members in current group
+func (c *Group) Members() map[int64]*session.Session {
+	c.mu.RLock()
+	defer c.mu.RUnlock()
+
+	return c.sessions
+}
+
+// MemberIDs returns all member's UID in current group
+func (c *Group) MemberIDs() []int64 {
 	c.mu.RLock()
 	defer c.mu.RUnlock()
 
diff --git a/version.go b/version.go
index 692cd91..296b1ab 100644
--- a/version.go
+++ b/version.go
@@ -1,4 +1,4 @@
 package ngs
 
 // VERSION returns current ngs version
-const VERSION = "0.1.2"
+const VERSION = "0.1.3"