From 3c988693b5d6639f26889129639d48bb4c5cd413 Mon Sep 17 00:00:00 2001
From: database64128 <free122448@hotmail.com>
Date: Thu, 17 Dec 2020 05:03:26 +0800
Subject: [PATCH] =?UTF-8?q?=F0=9F=95=B3=20Prevent=20trailing=20whitespaces?=
 =?UTF-8?q?=20in=20logs=20(#526)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 common/log/access.go    | 16 ++++++++++------
 common/serial/string.go |  2 +-
 2 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/common/log/access.go b/common/log/access.go
index f3398b55f..789426d92 100644
--- a/common/log/access.go
+++ b/common/log/access.go
@@ -36,19 +36,23 @@ func (m *AccessMessage) String() string {
 	builder.WriteString(string(m.Status))
 	builder.WriteByte(' ')
 	builder.WriteString(serial.ToString(m.To))
-	builder.WriteByte(' ')
+
 	if len(m.Detour) > 0 {
-		builder.WriteByte('[')
+		builder.WriteString(" [")
 		builder.WriteString(m.Detour)
-		builder.WriteString("] ")
+		builder.WriteByte(']')
+	}
+
+	if reason := serial.ToString(m.Reason); len(reason) > 0 {
+		builder.WriteString(" ")
+		builder.WriteString(reason)
 	}
-	builder.WriteString(serial.ToString(m.Reason))
 
 	if len(m.Email) > 0 {
-		builder.WriteString("email:")
+		builder.WriteString(" email: ")
 		builder.WriteString(m.Email)
-		builder.WriteByte(' ')
 	}
+
 	return builder.String()
 }
 
diff --git a/common/serial/string.go b/common/serial/string.go
index 70de87a76..e220e543a 100644
--- a/common/serial/string.go
+++ b/common/serial/string.go
@@ -8,7 +8,7 @@ import (
 // ToString serialize an arbitrary value into string.
 func ToString(v interface{}) string {
 	if v == nil {
-		return " "
+		return ""
 	}
 
 	switch value := v.(type) {