allow default logger

logger.go

@@ -41,8 +41,14 @@ func init() {
 	)
 
 	log.Println("config file name -->", ConfigFile)
+	log.Println("starting ...")
 	if _, err := toml.DecodeFile(ConfigFile, &logCfg); err != nil {
-		log.Fatalf("Read config file err:%s", err.Error())
+		//log.Fatalf("Read config file err:%s", err.Error())
+		log.Println("failed to open config file")
+		if err = InitLog(""); nil != err {
+			log.Println(err.Error())
+		}
+		return
 	}
 	cfg = logCfg.Logs