From 1166752b6f9bd3ce80aa6ae7dc243ca64c851cb7 Mon Sep 17 00:00:00 2001
From: cvictory <shenglicao2@gmail.com>
Date: Tue, 18 Aug 2020 14:54:06 +0800
Subject: [PATCH] forbid excuting twice

---
 common/logger/logger.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/common/logger/logger.go b/common/logger/logger.go
index b648f8a0af..63eda231dd 100644
--- a/common/logger/logger.go
+++ b/common/logger/logger.go
@@ -60,6 +60,10 @@ type Logger interface {
 }
 
 func init() {
+	// forbidden to executing twice.
+	if logger != nil {
+		return
+	}
 	logConfFile := os.Getenv(constant.APP_LOG_CONF_FILE)
 	err := InitLog(logConfFile)
 	if err != nil {