From 1d174e00c0ea5eb8e263b494b14cca7622501969 Mon Sep 17 00:00:00 2001
From: John <john@johng.cn>
Date: Thu, 24 Sep 2020 23:46:19 +0800
Subject: [PATCH] improve package internal/intlog

---
 internal/intlog/intlog.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/internal/intlog/intlog.go b/internal/intlog/intlog.go
index 4c44c62fd..445b56b72 100644
--- a/internal/intlog/intlog.go
+++ b/internal/intlog/intlog.go
@@ -35,7 +35,10 @@ func init() {
 // SetEnabled enables/disables the internal logging manually.
 // Note that this function is not concurrent safe, be aware of the DATA RACE.
 func SetEnabled(enabled bool) {
-	isGFDebug = enabled
+	// If they're the same, it does not write the <isGFDebug> but only reading operation.
+	if isGFDebug != enabled {
+		isGFDebug = enabled
+	}
 }
 
 // IsEnabled checks and returns whether current process is in GF development.