From 84e9a4a849843d938e1f87ef5135f6a205216aeb Mon Sep 17 00:00:00 2001
From: "guangxue.wu" <guangxue.wu@yunzhanghu.com>
Date: Thu, 31 Oct 2024 17:16:35 +0800
Subject: [PATCH] feat: Return inner Logger from GetLogger for log.WithContext
 reuse fix: Ensure thread safety by eliminating lock copy in GetLogger

---
 log/global.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/log/global.go b/log/global.go
index f1984fc3f9b..ae9244dffb9 100644
--- a/log/global.go
+++ b/log/global.go
@@ -13,7 +13,7 @@ var global = &loggerAppliance{}
 // loggerAppliance is the proxy of `Logger` to
 // make logger change will affect all sub-logger.
 type loggerAppliance struct {
-	lock sync.Mutex
+	lock sync.RWMutex
 	Logger
 }
 
@@ -35,7 +35,9 @@ func SetLogger(logger Logger) {
 
 // GetLogger returns global logger appliance as logger in current process.
 func GetLogger() Logger {
-	return global
+	global.lock.RLock()
+	defer global.lock.RUnlock()
+	return global.Logger
 }
 
 // Log Print log by level and keyvals.