diff --git a/core/api.go b/core/api.go
index 769f4cf..21c2fe2 100644
--- a/core/api.go
+++ b/core/api.go
@@ -357,123 +357,6 @@ func (caller apiCaller) maintenanceAPI(w http.ResponseWriter, r *http.Request) e
 	return nil
 }
 
-func (caller apiCaller) accountAPI(w http.ResponseWriter, r *http.Request) error {
-	mg := caller.mg
-	queryvals := r.URL.Query()
-	if r.Method == "GET" {
-		service := queryvals.Get("service")
-		if len(service) == 0 {
-			return nil
-		}
-
-		if !caller.isAdminOrValidToken() {
-			logger.Println("accountAPI failed. not vaild user :", r.Method, caller.userinfo)
-			w.WriteHeader(http.StatusUnauthorized)
-			return nil
-		}
-
-		var accdoc primitive.M
-		if v := queryvals.Get("accid"); len(v) == 0 {
-			email := queryvals.Get("email")
-			platform := queryvals.Get("platform")
-			if len(email) == 0 || len(platform) == 0 {
-				return nil
-			}
-
-			found, err := mg.mongoClient.FindOne(CollectionLink, bson.M{
-				"email":    email,
-				"platform": platform,
-			})
-			if err != nil {
-				return err
-			}
-			if found == nil {
-				return nil
-			}
-			if idobj, ok := found["_id"]; ok {
-				svcdoc, err := mg.mongoClient.FindOne(common.CollectionName(service), bson.M{
-					"_id": idobj,
-				})
-				if err != nil {
-					return err
-				}
-				if svcdoc != nil {
-					found["accid"] = svcdoc["accid"]
-				}
-
-				accdoc = found
-			}
-		} else {
-			accid, err := primitive.ObjectIDFromHex(v)
-			if err != nil {
-				return err
-			}
-
-			svcdoc, err := mg.mongoClient.FindOne(common.CollectionName(service), bson.M{
-				"accid": accid,
-			})
-			if err != nil {
-				return err
-			}
-
-			found, err := mg.mongoClient.FindOne(CollectionLink, bson.M{
-				"_id": svcdoc["_id"],
-			})
-			if err != nil {
-				return err
-			}
-
-			if found != nil {
-				found["accid"] = accid
-			}
-			accdoc = found
-		}
-
-		if accdoc != nil {
-			accdoc["code"] = service
-			delete(accdoc, "uid")
-			delete(accdoc, "_id")
-
-			var bi blockinfo
-			if err := mg.mongoClient.FindOneAs(CollectionBlock, bson.M{
-				"code":  service,
-				"accid": accdoc["accid"],
-			}, &bi); err != nil {
-				return err
-			}
-
-			if !bi.Start.Time().IsZero() && bi.End.Time().After(time.Now().UTC()) {
-				accdoc["blocked"] = bi
-			}
-			return json.NewEncoder(w).Encode(accdoc)
-		}
-	} else if r.Method == "POST" {
-		var account struct {
-			Code    string
-			Accid   string
-			Blocked blockinfo
-		}
-
-		body, _ := io.ReadAll(r.Body)
-		if err := json.Unmarshal(body, &account); err != nil {
-			return err
-		}
-
-		accid, _ := primitive.ObjectIDFromHex(account.Accid)
-		if !account.Blocked.Start.Time().IsZero() && account.Blocked.Start.Time().After(time.Now().UTC()) {
-			if _, _, err := mg.mongoClient.Update(CollectionBlock, bson.M{
-				"code":  account.Code,
-				"accid": accid,
-			}, bson.M{
-				"$set": account.Blocked,
-			}, options.Update().SetUpsert(true)); err != nil {
-				return err
-			}
-		}
-	}
-	return nil
-}
-
 var errApiTokenMissing = errors.New("mg-x-api-token is missing")
 
 func (caller apiCaller) configAPI(w http.ResponseWriter, r *http.Request) error {
@@ -583,8 +466,6 @@ func (mg *Maingate) api(w http.ResponseWriter, r *http.Request) {
 		err = caller.whitelistAPI(w, r)
 	} else if strings.HasSuffix(r.URL.Path, "/config") {
 		err = caller.configAPI(w, r)
-	} else if strings.HasSuffix(r.URL.Path, "/account") {
-		err = caller.accountAPI(w, r)
 	} else if strings.HasSuffix(r.URL.Path, "/upload") {
 		err = caller.uploadAPI(w, r)
 	} else if strings.HasSuffix(r.URL.Path, "/maintenance") {
diff --git a/core/maingate.go b/core/maingate.go
index d351838..d89de86 100644
--- a/core/maingate.go
+++ b/core/maingate.go
@@ -38,6 +38,7 @@ var (
 	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
diff --git a/core/service.go b/core/service.go
index c6109dc..999d223 100644
--- a/core/service.go
+++ b/core/service.go
@@ -370,7 +370,7 @@ func (sh *serviceDescription) link(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	_, newid, err := sh.mongoClient.Update(CollectionService, bson.M{
+	_, newid, err := sh.mongoClient.Update(CollectionAccount, bson.M{
 		"_id": link["_id"].(primitive.ObjectID),
 	}, bson.M{
 		"$setOnInsert": bson.M{
@@ -479,7 +479,7 @@ func (sh *serviceDescription) authorize(w http.ResponseWriter, r *http.Request)
 		for i := 0; i < len(sh.serviceCodeBytes); i++ {
 			newaccid[i] ^= sh.serviceCodeBytes[i]
 		}
-		account, err := sh.mongoClient.FindOneAndUpdate(CollectionService, bson.M{
+		account, err := sh.mongoClient.FindOneAndUpdate(CollectionAccount, bson.M{
 			"_id": linkid,
 		}, bson.M{
 			"$setOnInsert": bson.M{