diff --git a/srvlib/serversessionmgr.go b/srvlib/serversessionmgr.go
index f289a03..a2c18da 100644
--- a/srvlib/serversessionmgr.go
+++ b/srvlib/serversessionmgr.go
@@ -136,7 +136,7 @@ func (ssm *ServerSessionMgr) GetSessions(areaId, srvType int) (sessions []*netli
 func (ssm *ServerSessionMgr) GetServerId(areaId, srvType int) int {
 	if a, exist := ssm.sessions[areaId]; exist {
 		if b, exist := a[srvType]; exist {
-			for sid, _ := range b {
+			for sid := range b {
 				return sid
 			}
 		}
@@ -165,7 +165,7 @@ func (ssm *ServerSessionMgr) GetServerIdByMaxData(areaId, srvType int) int {
 func (ssm *ServerSessionMgr) GetServerIds(areaId, srvType int) (ids []int) {
 	if a, exist := ssm.sessions[areaId]; exist {
 		if b, exist := a[srvType]; exist {
-			for sid, _ := range b {
+			for sid := range b {
 				ids = append(ids, sid)
 			}
 		}