diff --git a/chatSession.go b/chatSession.go
index 628a08f..71767f6 100644
--- a/chatSession.go
+++ b/chatSession.go
@@ -140,6 +140,10 @@ func (ss *openIDSessionData) setKvPair(key, val string) {
 	ss.UpdateAt = int32(time.Now().Unix())
 }
 
+func (ss *openIDSessionData) getVal(key string) string {
+	return ss.KvPair[key]
+}
+
 //main entry point for processing each incoming message
 //this stage has session date available
 func (ss *openIDSessionData) incomingMsg(v InWechatMsg) {