diff --git a/core/candle.go b/core/candle.go
index 4dc73e6..da8deb7 100644
--- a/core/candle.go
+++ b/core/candle.go
@@ -288,7 +288,7 @@ func (core *Core) SaveUniKey(period string, keyName string, extt time.Duration,
 	wg := WriteLog{
 		Content: cd,
 		Tag:     "sardine.log.candle." + cl.Period,
-		// Id:      hashString(did),
+		Id:      hashString(did),
 	}
 	// go func() {
 	core.WriteLogChan <- &wg
diff --git a/core/core.go b/core/core.go
index ba9b100..fe69c3c 100644
--- a/core/core.go
+++ b/core/core.go
@@ -87,7 +87,7 @@ func WriteLogProcess(cr *Core) {
 	for {
 		wg := <-cr.WriteLogChan
 		go func(wg *WriteLog) {
-			fmt.Println("start writelog")
+			fmt.Println("start writelog: " + wg.Id)
 			wg.Process(cr)
 		}(wg)
 	}
diff --git a/tunas b/tunas
index 2f15410..4bc3c91 100755
Binary files a/tunas and b/tunas differ