diff --git a/core/service.go b/core/service.go
index 4a93d6f..0e57c0e 100644
--- a/core/service.go
+++ b/core/service.go
@@ -150,16 +150,16 @@ func (wl *whitelist) hasAuth(email string, platform string, auth whitelistAuthTy
 	return false
 }
 
-type divisionStateName string
+type DivisionStateName string
 
 const (
-	DivisionState_Closed         = divisionStateName("closed")
-	DivisionState_Maintenance    = divisionStateName("maintenance")
-	DivisionState_RestrictedOpen = divisionStateName("restricted")
-	DivisionState_FullOpen       = divisionStateName("open")
+	DivisionState_Closed         = DivisionStateName("closed")
+	DivisionState_Maintenance    = DivisionStateName("maintenance")
+	DivisionState_RestrictedOpen = DivisionStateName("restricted")
+	DivisionState_FullOpen       = DivisionStateName("open")
 )
 
-type maintenance struct {
+type Maintenance struct {
 	Notice       string `bson:"notice" json:"notice"`
 	StartTimeUTC int64  `bson:"start_unixtime_utc" json:"start_unixtime_utc"`
 	link         string
@@ -168,8 +168,8 @@ type maintenance struct {
 type division struct {
 	Url         string // 요것은 클라이언트 빌드하고 나서 json:"-"으로 변경하자. 클라이언트에 직접 내려보내지 않음
 	Priority    int
-	State       divisionStateName
-	Maintenance *maintenance `bson:",omitempty" json:",omitempty"`
+	State       DivisionStateName
+	Maintenance *Maintenance `bson:",omitempty" json:",omitempty"`
 }
 
 type ServiceDescriptionSummary struct {
@@ -252,7 +252,7 @@ func (sh *serviceDescription) prepare(mg *Maingate) error {
 
 		if div.State != DivisionState_FullOpen {
 			if div.Maintenance == nil {
-				div.Maintenance = &maintenance{}
+				div.Maintenance = &Maintenance{}
 			}
 
 			if len(div.Maintenance.link) == 0 {