diff --git a/json_utility.go b/json_utility.go
index d94ac01..3ef16e3 100644
--- a/json_utility.go
+++ b/json_utility.go
@@ -69,7 +69,7 @@ type Payload struct {
 }
 
 // LoadPayloadsdetaData loads all payloads' information into 'metadata' variable.
-func LoadPayloadsMetadata(db *ora.Ses, project string, hotloading bool, hlPeriod int) error {
+func LoadPayloadsMetadata(db *ora.Ses, project string) error {
 	metadataDB = db
 	activeProject = project
 
@@ -79,14 +79,17 @@ func LoadPayloadsMetadata(db *ora.Ses, project string, hotloading bool, hlPeriod
 	if err != nil {
 		return err
 	}
-	if hotloading {
-		go hotload(hlPeriod)
-	}
 	inited = true
 
 	return nil
 }
 
+func EnableHotloading(interval int) {
+	if interval > 0 {
+		go hotload(interval)
+	}
+}
+
 func GetMetadataForAllEntities() map[string]Payload {
 	return metadata
 }