From 5d07a94b160ce36662c5f81788e2f3d0fc27d884 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=8B=89=E5=B0=8F=E8=BD=B0?=
 <67250607+laxiaohong@users.noreply.github.com>
Date: Sun, 18 Jul 2021 15:01:08 +0800
Subject: [PATCH] use "and" replace "sub" (#1207)

---
 log/std.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/log/std.go b/log/std.go
index ef9c14a17..1aab1929f 100644
--- a/log/std.go
+++ b/log/std.go
@@ -32,7 +32,7 @@ func (l *stdLogger) Log(level Level, keyvals ...interface{}) error {
 	if len(keyvals) == 0 {
 		return nil
 	}
-	if len(keyvals)%2 != 0 {
+	if (len(keyvals) & 1) == 1 {
 		keyvals = append(keyvals, "KEYVALS UNPAIRED")
 	}
 	buf := l.pool.Get().(*bytes.Buffer)