feat: only update midjourney task on master node

controller/midjourney.go

@@ -19,6 +19,9 @@ import (
 )
 
 func UpdateMidjourneyTaskBulk() {
+	if !common.IsMasterNode {
+		return
+	}
 	//imageModel := "midjourney"
 	ctx := context.TODO()
 	for {