diff --git a/src/server/conf/conf.go b/src/server/conf/conf.go
index 291fe683..38545475 100644
--- a/src/server/conf/conf.go
+++ b/src/server/conf/conf.go
@@ -7,7 +7,7 @@ import (
 
 var (
 	// log conf
-	LogFlag = log.LstdFlags
+	LogFlag = log.LstdFlags | log.Lmicroseconds
 
 	// gate conf
 	PendingWriteNum        = 2000