diff --git a/logging.go b/logging.go
index 6b140a2..b7dd865 100644
--- a/logging.go
+++ b/logging.go
@@ -1,6 +1,8 @@
 package logging
 
 import (
+	"log"
+
 	"git.loafle.net/commons_go/config"
 
 	"go.uber.org/zap"
@@ -10,26 +12,27 @@ var logger *zap.Logger
 
 func Logger() *zap.Logger {
 	if nil == logger {
-		initializeLogger()
+		log.Panicf("Logger is not initialized")
 	}
 	return logger
 }
 
-func initializeLogger() {
+func InitializeLogger(configPath string) {
 	var cfg zap.Config
 	var err error
 
 	conf := config.New()
-	conf.SetConfigPath("./config")
 
-	if err = conf.Load(&cfg, "logging.json"); nil != err {
+	if err = conf.Load(&cfg, configPath); nil != err {
+		log.Printf("Loading of logger config has been failed [%v]", err)
 		if logger, err = zap.NewDevelopment(); nil != err {
-			panic(err)
+			log.Panicf("Building of logger configp[Development] has been failed [%v]", err)
 		}
+		log.Printf("Logger has been initialized as development mode")
 		return
 	}
 
 	if logger, err = cfg.Build(); nil != err {
-		panic(err)
+		log.Panicf("Building of logger config[%s] has been failed [%v]", configPath, err)
 	}
 }