diff --git a/core/maingate.go b/core/maingate.go
index a7179b4..73b01f5 100644
--- a/core/maingate.go
+++ b/core/maingate.go
@@ -457,9 +457,15 @@ func (mg *Maingate) RegisterHandlers(ctx context.Context, serveMux *http.ServeMu
 
 	logger.Println("Service is registered :", mg.service().ServiceCode)
 	if *devflag {
-		serveMux.HandleFunc(gocommon.MakeHttpHandlerPattern(prefix, mg.service().ServiceCode, "/"), mg.service().serveHTTP_dev)
+		serveMux.HandleFunc(gocommon.MakeHttpHandlerPattern(prefix, mg.service().ServiceCode, "/"), func(w http.ResponseWriter, r *http.Request) {
+			// mg.service()를 요청마다 불러야 함
+			mg.service().serveHTTP_dev(w, r)
+		})
 	} else {
-		serveMux.HandleFunc(gocommon.MakeHttpHandlerPattern(prefix, mg.service().ServiceCode, "/"), mg.service().serveHTTP)
+		serveMux.HandleFunc(gocommon.MakeHttpHandlerPattern(prefix, mg.service().ServiceCode, "/"), func(w http.ResponseWriter, r *http.Request) {
+			// mg.service()를 요청마다 불러야 함
+			mg.service().serveHTTP(w, r)
+		})
 	}
 	serveMux.HandleFunc(gocommon.MakeHttpHandlerPattern(prefix, "api/"), mg.api)
 
diff --git a/core/service.go b/core/service.go
index 46ac974..6314cd0 100644
--- a/core/service.go
+++ b/core/service.go
@@ -258,7 +258,17 @@ func (sh *serviceDescription) prepare(mg *Maingate) error {
 
 	if globalApiToken, err := primitive.ObjectIDFromHex(config.GlobalMaingateToken); err == nil {
 		if !globalApiToken.IsZero() {
-			sh.ServerApiTokens = append(sh.ServerApiTokens, globalApiToken)
+			f := func() bool {
+				for _, t := range sh.ServerApiTokens {
+					if t == globalApiToken {
+						return true
+					}
+				}
+				return false
+			}()
+			if !f {
+				sh.ServerApiTokens = append(sh.ServerApiTokens, globalApiToken)
+			}
 		}
 	}
 
@@ -857,10 +867,14 @@ func (sh *serviceDescription) serveHTTP(w http.ResponseWriter, r *http.Request)
 		divname := queryvals.Get("div")
 		divname = strings.Trim(divname, `"`)
 		div := sh.Divisions[divname]
+		var addrresp string
 		if div != nil {
+			logger.Println("/addr :", divname, div.State)
+
 			switch div.State {
 			case DivisionState_FullOpen:
-				w.Write([]byte(fmt.Sprintf(`{"service":"%s"}`, div.Url)))
+				addrresp = fmt.Sprintf(`{"service":"%s"}`, div.Url)
+				//w.Write([]byte(fmt.Sprintf(`{"service":"%s"}`, div.Url)))
 
 			case DivisionState_RestrictedOpen:
 				// 점검중이면 whitelist만 입장 가능
@@ -874,10 +888,12 @@ func (sh *serviceDescription) serveHTTP(w http.ResponseWriter, r *http.Request)
 				wm := &whitelistmember{Email: authInfo.Email, Platform: authInfo.Platform}
 				if _, ok := sh.wl.get(wm.Key()); ok {
 					// qa 권한이면 입장 가능
-					w.Write([]byte(fmt.Sprintf(`{"service":"%s"}`, div.Url)))
+					addrresp = fmt.Sprintf(`{"service":"%s"}`, div.Url)
+					//w.Write([]byte(fmt.Sprintf(`{"service":"%s"}`, div.Url)))
 				} else if div.Maintenance != nil {
 					// 권한이 없으므로 공지
-					w.Write([]byte(fmt.Sprintf(`{"notice":"%s"}`, div.Maintenance.link)))
+					addrresp = fmt.Sprintf(`{"notice":"%s"}`, div.Maintenance.link)
+					//w.Write([]byte(fmt.Sprintf(`{"notice":"%s"}`, div.Maintenance.link)))
 				} else {
 					logger.Println("div.Maintenance is nil :", divname)
 				}
@@ -885,11 +901,15 @@ func (sh *serviceDescription) serveHTTP(w http.ResponseWriter, r *http.Request)
 			case DivisionState_Maintenance:
 				// 점검중. 아무도 못들어감
 				if div.Maintenance != nil {
-					w.Write([]byte(fmt.Sprintf(`{"notice":"%s"}`, div.Maintenance.link)))
+					logger.Println("/addr :", divname, div.State, *div.Maintenance)
+					addrresp = fmt.Sprintf(`{"notice":"%s"}`, div.Maintenance.link)
+					//w.Write([]byte(fmt.Sprintf(`{"notice":"%s"}`, div.Maintenance.link)))
 				} else {
 					logger.Println("div.Maintenance is nil :", divname)
 				}
 			}
+			logger.Println("/addr resp :", addrresp)
+			w.Write([]byte(addrresp))
 		} else {
 			logger.Println("div is not found :", divname, sh.Divisions)
 			logger.Println("check maingate database 'service.divisions' :", config.Mongo)