diff --git a/core/maingate.go b/core/maingate.go
index 04ed098..295d6f5 100644
--- a/core/maingate.go
+++ b/core/maingate.go
@@ -18,7 +18,7 @@ import (
 	"time"
 	"unsafe"
 
-	common "repositories.action2quare.com/ayo/gocommon"
+	"repositories.action2quare.com/ayo/gocommon"
 	"repositories.action2quare.com/ayo/gocommon/flagx"
 	"repositories.action2quare.com/ayo/gocommon/logger"
 
@@ -37,17 +37,17 @@ var devflag = flagx.Bool("dev", false, "")
 var noauth = flagx.Bool("noauth", false, "")
 
 var (
-	CollectionLink               = common.CollectionName("link")
-	CollectionAuth               = common.CollectionName("auth")
-	CollectionWhitelist          = common.CollectionName("whitelist")
-	CollectionService            = common.CollectionName("service")
-	CollectionAccount            = common.CollectionName("account")
-	CollectionFile               = common.CollectionName("file")
-	CollectionBlock              = common.CollectionName("block")
-	CollectionPlatformLoginToken = common.CollectionName("platform_login_token") //-- 각 플랫폼에 로그인 및 권한 받아오는 과정에 사용하는 Key
-	CollectionUserToken          = common.CollectionName("usertoken")
-	CollectionGamepotUserInfo    = common.CollectionName("gamepot_userinfo")  //-- 클라로부터 수집된 gamepot 정보 - server to server로 유효성이 검증되진 않았지만 수집은 한다.
-	CollectionFirebaseUserInfo   = common.CollectionName("firebase_userinfo") //-- Firebase UserInfo
+	CollectionLink               = gocommon.CollectionName("link")
+	CollectionAuth               = gocommon.CollectionName("auth")
+	CollectionWhitelist          = gocommon.CollectionName("whitelist")
+	CollectionService            = gocommon.CollectionName("service")
+	CollectionAccount            = gocommon.CollectionName("account")
+	CollectionFile               = gocommon.CollectionName("file")
+	CollectionBlock              = gocommon.CollectionName("block")
+	CollectionPlatformLoginToken = gocommon.CollectionName("platform_login_token") //-- 각 플랫폼에 로그인 및 권한 받아오는 과정에 사용하는 Key
+	CollectionUserToken          = gocommon.CollectionName("usertoken")
+	CollectionGamepotUserInfo    = gocommon.CollectionName("gamepot_userinfo")  //-- 클라로부터 수집된 gamepot 정보 - server to server로 유효성이 검증되진 않았지만 수집은 한다.
+	CollectionFirebaseUserInfo   = gocommon.CollectionName("firebase_userinfo") //-- Firebase UserInfo
 )
 
 const (
@@ -72,10 +72,10 @@ func SessionTTL() time.Duration {
 }
 
 type mongoAuthCell struct {
-	src *common.Authinfo
+	src *gocommon.Authinfo
 }
 
-func (ac *mongoAuthCell) ToAuthinfo() *common.Authinfo {
+func (ac *mongoAuthCell) ToAuthinfo() *gocommon.Authinfo {
 	if ac.src == nil {
 		logger.Error("mongoAuthCell ToAuthinfo failed. ac.src is nil")
 	}
@@ -87,15 +87,15 @@ func (ac *mongoAuthCell) ToBytes() []byte {
 	return bt
 }
 
-func makeAuthCollection(mongoClient common.MongoClient, sessionTTL time.Duration) *common.AuthCollection {
-	authcoll := common.MakeAuthCollection(sessionTTL)
+func makeAuthCollection(mongoClient gocommon.MongoClient, sessionTTL time.Duration) *gocommon.AuthCollection {
+	authcoll := gocommon.MakeAuthCollection(sessionTTL)
 	authcoll.SessionRemoved = func(sk string) {
 		skid, _ := primitive.ObjectIDFromHex(sk)
 		mongoClient.Delete(CollectionAuth, bson.M{
 			"sk": skid,
 		})
 	}
-	authcoll.QuerySession = func(sk string, token string) common.AuthinfoCell {
+	authcoll.QuerySession = func(sk string, token string) gocommon.AuthinfoCell {
 		skid, _ := primitive.ObjectIDFromHex(sk)
 		var outcell mongoAuthCell
 		err := mongoClient.FindOneAs(CollectionAuth, bson.M{
@@ -152,16 +152,16 @@ func (ga *globalAdmins) parse() {
 		parsed[admin] = true
 	}
 	ga.emails = parsed
-	ga.modtime = common.ConfigModTime()
+	ga.modtime = gocommon.ConfigModTime()
 }
 
 // Maingate :
 type Maingate struct {
 	maingateConfig
 
-	mongoClient common.MongoClient
+	mongoClient gocommon.MongoClient
 
-	auths *common.AuthCollection
+	auths *gocommon.AuthCollection
 	//services               servicelist
 	serviceptr unsafe.Pointer
 	admins     unsafe.Pointer
@@ -178,12 +178,12 @@ type Maingate struct {
 // New :
 func New(ctx context.Context) (*Maingate, error) {
 	var config maingateConfig
-	if err := common.LoadConfig(&config); err != nil {
+	if err := gocommon.LoadConfig(&config); err != nil {
 		return nil, err
 	}
 
 	var admins globalAdmins
-	if err := common.LoadConfig(&admins); err == nil {
+	if err := gocommon.LoadConfig(&admins); err == nil {
 		admins.parse()
 	}
 
@@ -291,7 +291,7 @@ func (mg *Maingate) prepare(context context.Context) (err error) {
 	}
 
 	// redis에서 env를 가져온 후에
-	mg.mongoClient, err = common.NewMongoClient(context, mg.Mongo, "maingate")
+	mg.mongoClient, err = gocommon.NewMongoClient(context, mg.Mongo, "maingate")
 	if err != nil {
 		return err
 	}
@@ -397,7 +397,7 @@ func (mg *Maingate) prepare(context context.Context) (err error) {
 		}
 		logger.Println("saving files :", pre.Link)
 
-		var fulldoc fileDocumentDesc
+		var fulldoc FileDocumentDesc
 		err = mg.mongoClient.FindOneAs(CollectionFile, bson.M{
 			"_id": pre.Id,
 		}, &fulldoc)
@@ -490,9 +490,9 @@ func (mg *Maingate) RegisterHandlers(ctx context.Context, serveMux *http.ServeMu
 	}
 
 	logger.Println("Service is registered :", mg.service().ServiceCode)
-	serveMux.Handle(common.MakeHttpHandlerPattern(prefix, mg.service().ServiceCode, "/"), mg.service())
-	serveMux.HandleFunc(common.MakeHttpHandlerPattern(prefix, "api/"), mg.api)
-	serveMux.HandleFunc(common.MakeHttpHandlerPattern(prefix, "query/"), mg.query)
+	serveMux.Handle(gocommon.MakeHttpHandlerPattern(prefix, mg.service().ServiceCode, "/"), mg.service())
+	serveMux.HandleFunc(gocommon.MakeHttpHandlerPattern(prefix, "api/"), mg.api)
+	serveMux.HandleFunc(gocommon.MakeHttpHandlerPattern(prefix, "query/"), mg.query)
 
 	configraw, _ := json.Marshal(mg.maingateConfig)
 	var convertedConfig map[string]any
@@ -500,7 +500,7 @@ func (mg *Maingate) RegisterHandlers(ctx context.Context, serveMux *http.ServeMu
 		return err
 	}
 
-	serveMux.HandleFunc(common.MakeHttpHandlerPattern(prefix, "config"), func(w http.ResponseWriter, r *http.Request) {
+	serveMux.HandleFunc(gocommon.MakeHttpHandlerPattern(prefix, "config"), func(w http.ResponseWriter, r *http.Request) {
 		defer func() {
 			s := recover()
 			if s != nil {
@@ -534,29 +534,29 @@ func (mg *Maingate) RegisterHandlers(ctx context.Context, serveMux *http.ServeMu
 	}
 
 	fsx := http.FileServer(http.Dir("./console"))
-	serveMux.Handle(common.MakeHttpHandlerPattern(prefix, "console/"), http.StripPrefix("/console/", fsx))
+	serveMux.Handle(gocommon.MakeHttpHandlerPattern(prefix, "console/"), http.StripPrefix("/console/", fsx))
 
 	ssx := http.FileServer(http.Dir("./static"))
-	serveMux.Handle(common.MakeHttpHandlerPattern(prefix, "static/"), http.StripPrefix("/static/", ssx))
+	serveMux.Handle(gocommon.MakeHttpHandlerPattern(prefix, "static/"), http.StripPrefix("/static/", ssx))
 
-	serveMux.HandleFunc(common.MakeHttpHandlerPattern(prefix, "request_login_url", AuthPlatformGoogle), mg.platform_google_get_login_url)
-	serveMux.HandleFunc(common.MakeHttpHandlerPattern(prefix, "authorize", AuthPlatformGoogle), mg.platform_google_authorize)
-	serveMux.HandleFunc(common.MakeHttpHandlerPattern(prefix, "authorize_result", AuthPlatformGoogle), mg.platform_google_authorize_result)
+	serveMux.HandleFunc(gocommon.MakeHttpHandlerPattern(prefix, "request_login_url", AuthPlatformGoogle), mg.platform_google_get_login_url)
+	serveMux.HandleFunc(gocommon.MakeHttpHandlerPattern(prefix, "authorize", AuthPlatformGoogle), mg.platform_google_authorize)
+	serveMux.HandleFunc(gocommon.MakeHttpHandlerPattern(prefix, "authorize_result", AuthPlatformGoogle), mg.platform_google_authorize_result)
 
-	serveMux.HandleFunc(common.MakeHttpHandlerPattern(prefix, "request_login_url", AuthPlatformMicrosoft), mg.platform_microsoft_get_login_url)
-	serveMux.HandleFunc(common.MakeHttpHandlerPattern(prefix, "authorize", AuthPlatformMicrosoft), mg.platform_microsoft_authorize)
-	serveMux.HandleFunc(common.MakeHttpHandlerPattern(prefix, "authorize_result", AuthPlatformMicrosoft), mg.platform_microsoft_authorize_result)
+	serveMux.HandleFunc(gocommon.MakeHttpHandlerPattern(prefix, "request_login_url", AuthPlatformMicrosoft), mg.platform_microsoft_get_login_url)
+	serveMux.HandleFunc(gocommon.MakeHttpHandlerPattern(prefix, "authorize", AuthPlatformMicrosoft), mg.platform_microsoft_authorize)
+	serveMux.HandleFunc(gocommon.MakeHttpHandlerPattern(prefix, "authorize_result", AuthPlatformMicrosoft), mg.platform_microsoft_authorize_result)
 
-	serveMux.HandleFunc(common.MakeHttpHandlerPattern(prefix, "request_login_url", AuthPlatformTwitter), mg.platform_twitter_get_login_url)
-	serveMux.HandleFunc(common.MakeHttpHandlerPattern(prefix, "authorize", AuthPlatformTwitter), mg.platform_twitter_authorize)
-	serveMux.HandleFunc(common.MakeHttpHandlerPattern(prefix, "authorize_result", AuthPlatformTwitter), mg.platform_twitter_authorize_result)
+	serveMux.HandleFunc(gocommon.MakeHttpHandlerPattern(prefix, "request_login_url", AuthPlatformTwitter), mg.platform_twitter_get_login_url)
+	serveMux.HandleFunc(gocommon.MakeHttpHandlerPattern(prefix, "authorize", AuthPlatformTwitter), mg.platform_twitter_authorize)
+	serveMux.HandleFunc(gocommon.MakeHttpHandlerPattern(prefix, "authorize_result", AuthPlatformTwitter), mg.platform_twitter_authorize_result)
 
-	serveMux.HandleFunc(common.MakeHttpHandlerPattern(prefix, "request_login_url", AuthPlatformApple), mg.platform_apple_get_login_url)
-	serveMux.HandleFunc(common.MakeHttpHandlerPattern(prefix, "authorize", AuthPlatformApple), mg.platform_apple_authorize)
-	serveMux.HandleFunc(common.MakeHttpHandlerPattern(prefix, "authorize_result", AuthPlatformApple), mg.platform_apple_authorize_result)
+	serveMux.HandleFunc(gocommon.MakeHttpHandlerPattern(prefix, "request_login_url", AuthPlatformApple), mg.platform_apple_get_login_url)
+	serveMux.HandleFunc(gocommon.MakeHttpHandlerPattern(prefix, "authorize", AuthPlatformApple), mg.platform_apple_authorize)
+	serveMux.HandleFunc(gocommon.MakeHttpHandlerPattern(prefix, "authorize_result", AuthPlatformApple), mg.platform_apple_authorize_result)
 
-	serveMux.HandleFunc(common.MakeHttpHandlerPattern(prefix, "request_login_url", AuthPlatformFirebaseAuth), mg.platform_firebaseauth_get_login_url)
-	serveMux.HandleFunc(common.MakeHttpHandlerPattern(prefix, "authorize_sdk", AuthPlatformFirebaseAuth), mg.platform_firebaseauth_authorize_sdk)
+	serveMux.HandleFunc(gocommon.MakeHttpHandlerPattern(prefix, "request_login_url", AuthPlatformFirebaseAuth), mg.platform_firebaseauth_get_login_url)
+	serveMux.HandleFunc(gocommon.MakeHttpHandlerPattern(prefix, "authorize_sdk", AuthPlatformFirebaseAuth), mg.platform_firebaseauth_authorize_sdk)
 
 	go mg.watchServiceCollection(ctx, serveMux, prefix)
 	go mg.watchFileCollection(ctx, serveMux, prefix)
diff --git a/core/watch.go b/core/watch.go
index 06ecacf..ef22356 100644
--- a/core/watch.go
+++ b/core/watch.go
@@ -42,7 +42,7 @@ type filePipelineDocument struct {
 	DocumentKey   struct {
 		Id primitive.ObjectID `bson:"_id"`
 	} `bson:"documentKey"`
-	File *fileDocumentDesc `bson:"fullDocument"`
+	File *FileDocumentDesc `bson:"fullDocument"`
 }
 
 type whilelistPipelineDocument struct {