From c8e7426d2d5ec68a02c81261ce324867710c210b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=A8=8B=E5=B9=BF?= <chengg@dacentsoft.com>
Date: Fri, 6 Jun 2025 09:57:25 +0800
Subject: [PATCH] fix code

---
 format.go      | 2 +-
 format_test.go | 2 +-
 main.go        | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/format.go b/format.go
index ef4ba2a..68330b0 100644
--- a/format.go
+++ b/format.go
@@ -37,7 +37,7 @@ func isFormatString(f interface{}) bool {
 	}
 	// 尝试使用空接口来格式化字符串
 	m := fmt.Sprintf(s, []interface{}{}...)
-	return strings.Index(m, "MISSING") != -1
+	return strings.Contains(m, "MISSING")
 }
 
 func sprint(s []interface{}) string {
diff --git a/format_test.go b/format_test.go
index 3cde162..e3caf83 100644
--- a/format_test.go
+++ b/format_test.go
@@ -46,7 +46,7 @@ func TestFormat(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			if got := format(tt.logEvent); strings.Index(got, tt.want) == -1 {
+			if got := format(tt.logEvent); strings.Contains(got, tt.want) {
 				t.Errorf("format() = %v, want %v", got, tt.want)
 			}
 		})
diff --git a/main.go b/main.go
index 979cc46..706477b 100644
--- a/main.go
+++ b/main.go
@@ -121,7 +121,7 @@ func makeLogger(name string, config LogConfig) *Logger {
 	levelstr := strings.ToLower(config.Level)
 	logger.level = logLevelMap[levelstr]
 
-	if config.Appenders == nil || len(config.Appenders) == 0 {
+	if len(config.Appenders) == 0 {
 		logger.appenders = []*LoggerAppender{&consoleAppender}
 	} else {
 		logger.appenders = make([]*LoggerAppender, len(config.Appenders))