diff --git a/icslog/icslog.go b/icslog/icslog.go
index 36f2fa4..445b4a6 100644
--- a/icslog/icslog.go
+++ b/icslog/icslog.go
@@ -130,7 +130,8 @@ func NewIcsLog(conf *icsconf.LogConfig, level int, output int, path string, disk
 
 		//make log file - icsvg.log-yyyymmdd
 		yyyy, mm, dd := gIcsLog.CurrentDate.Date()
-		gIcsLog.LogFileName = fmt.Sprintf("%s/icsvs.log-%d%02d%02d", gIcsLog.Path, yyyy, mm, dd)
+		hh, mi := time.Now().Hour(), time.Now().Minute()
+		gIcsLog.LogFileName = fmt.Sprintf("%s/icsvs.log-%d%02d%02d.%02d.%02d", gIcsLog.Path, yyyy, mm, dd, hh, mi)
 
 		stat, err := os.Stat(gIcsLog.LogFileName)
 		if err == nil {