From 59b6c178a446f88703cfaa1966f8297c37280e92 Mon Sep 17 00:00:00 2001
From: Evan Chen <evanchen@kumoly.io>
Date: Wed, 10 Nov 2021 15:48:44 +0800
Subject: [PATCH] fix: remove empty bracket

---
 README.md | 13 +++++++++++++
 log.go    | 12 ++++++++----
 2 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index f29abeb..79dce90 100644
--- a/README.md
+++ b/README.md
@@ -78,4 +78,17 @@ BenchmarkStackSTD-12              105280             11347 ns/op            3596
 BenchmarkStackSTDStr-12           234535              5109 ns/op            2755 B/op         27 allocs/op
 BenchmarkStackCust-12              14764             80228 ns/op          171553 B/op         60 allocs/op
 BenchmarkStackCustStr-12           15417             78187 ns/op          171262 B/op         61 allocs/op
+
+v0.0.8
+go test -bench . -run none --benchmem
+goos: linux
+goarch: amd64
+pkg: kumoly.io/lib/klog
+cpu: AMD Ryzen 9 5900X 12-Core Processor            
+BenchmarkDefault-12                41521             28847 ns/op           13488 B/op        209 allocs/op
+BenchmarkSub1-12                   37726             31813 ns/op           14256 B/op        269 allocs/op
+BenchmarkStackSTD-12              119014             10006 ns/op            3308 B/op         19 allocs/op
+BenchmarkStackSTDStr-12           306621              3798 ns/op            2466 B/op         20 allocs/op
+BenchmarkStackCust-12              16908             71334 ns/op          170968 B/op         54 allocs/op
+BenchmarkStackCustStr-12           16702             70945 ns/op          170969 B/op         54 allocs/op
 ```
\ No newline at end of file
diff --git a/log.go b/log.go
index 7843125..a016f95 100644
--- a/log.go
+++ b/log.go
@@ -67,13 +67,17 @@ func DefaultPrinter() Printer {
 		if l.System != "" {
 			sys = fmt.Sprintf("(%s)", l.System)
 		}
-		fields := []byte{}
+		fields := ""
 		if d.Fields != nil {
 			b, err := json.Marshal(d.Fields)
 			if err != nil {
-				fields = b
+				fields = l.M(string(b), FgHiGreen)
 			}
 		}
+		stack := ""
+		if d.Stack != "" {
+			stack = l.M(d.Stack, FgRed)
+		}
 		switch d.Level {
 		case Lerror:
 			level = l.M("ERROR", FgHiRed)
@@ -89,8 +93,8 @@ func DefaultPrinter() Printer {
 		_, err := fmt.Fprintf(w, "%s [%s]%s%s %s%s\n%s",
 			d.Time.Format("2006/01/02 15:04:05"),
 			level, l.M(sys, FgHiCyan),
-			caller, d.Message, l.M(fields, FgHiGreen),
-			l.M(d.Stack, FgRed),
+			caller, d.Message, fields,
+			stack,
 		)
 		if err != nil {
 			fmt.Println(err)