diff --git a/item.go b/item.go
index 18defca..443e1e0 100644
--- a/item.go
+++ b/item.go
@@ -136,6 +136,10 @@ func getSilentObjItemID(code string, name string) int64 {
 		return objItems[id].ObjID64
 	}
 	if ok, _ := regexp.MatchString(`^((u|e)[0-9]+|(a|w)[0-9]+[a-e]{0,1})$`, code); ok || len(code) == 0 {
+		if ok, _ := regexp.MatchString(`^(Mystery|Unidentified) (amulet|ring) lvl.[0-9]+$`); ok {
+			return objItems[cacheObjItem[`u000`]].ObjID64
+		}
+
 		r := regexp.MustCompile(`^((?P<Modifier>⚡\+[0-9]+) ){0,1}(?P<BaseName>.+?)( \+(?P<Atk>[0-9]+)⚔){0,1}( \+(?P<Def>[0-9]+)🛡){0,1}( \+(?P<Mana>[0-9]+)💧){0,1}$`)
 		basename := r.ReplaceAllString(name, "${BaseName}")
 		if id, ok := cacheObjItem[basename]; ok && len(basename) > 0 {
diff --git a/workers.go b/workers.go
index 0c8afd9..b8a36d0 100644
--- a/workers.go
+++ b/workers.go
@@ -621,11 +621,11 @@ func SQLJobWorker() {
 	for true {
 		jobs, err := loadCurrentJobs()
 		logOnError(err, "SQLJobWorker : loadCurrentJobs")
-
-		if len(jobs) > 0 {
-			log.Printf("SQLJobWorker : %d jobs.\n", len(jobs))
-		}
-
+		/*
+			if len(jobs) > 0 {
+				log.Printf("SQLJobWorker : %d jobs.\n", len(jobs))
+			}
+		*/
 		if err == nil {
 			for _, j := range jobs {
 				JobQueue <- j
@@ -644,7 +644,7 @@ func JobWorker(id int, jobs <-chan Job) {
 	//log.Printf("jobWorker[" + strconv.Itoa(id) + "] : Starting.")
 	// FIXME : discard timed out jobs
 	for j := range jobs {
-		log.Printf("JobWorker[%d] : Starting job %d (timeout : %s).\n", id, j.ID64, j.Timeout.Format(time.RFC3339))
+		//log.Printf("JobWorker[%d] : Starting job %d (timeout : %s).\n", id, j.ID64, j.Timeout.Format(time.RFC3339))
 		if time.Now().UTC().Before(j.Timeout) {
 			switch j.JobTypeID64 {
 			case cacheObjSubType[`job_rescan_msg`]: