diff --git a/fsm/fsm.go b/fsm/fsm.go
index e203d53c..b2697264 100644
--- a/fsm/fsm.go
+++ b/fsm/fsm.go
@@ -45,9 +45,9 @@ type SharedState struct {
 	nh        *dragonboat.NodeHost
 }
 
-func (fsm *SharedState) GetUserState(Userid int64) (us *UserState, err error) {
+func (ss *SharedState) GetUserState(Userid int64) (us *UserState, err error) {
 
-	ius, err := nh.SyncRead(context.TODO(), fsm.shardID, Userid)
+	ius, err := ss.nh.SyncRead(context.TODO(), ss.shardID, Userid)
 	if err != nil {
 		log.Println(err)
 		return nil, err
@@ -62,9 +62,9 @@ func (fsm *SharedState) GetUserState(Userid int64) (us *UserState, err error) {
 		Key: Userid,
 	}
 
-	cs := nh.GetNoOPSession(128)
+	cs := ss.nh.GetNoOPSession(128)
 	err = cmd.Encode(func(buf []byte) error {
-		result, err := nh.SyncPropose(context.TODO(), cs, buf)
+		result, err := ss.nh.SyncPropose(context.TODO(), cs, buf)
 		if err != nil {
 			return err
 		}