improve: pass logger instead of using global logger

internal/config/log.go

@@ -10,9 +10,13 @@ import (
 	log "github.com/sirupsen/logrus"
 )
 
+var Logger *log.Logger
+
 func initLog() {
+	Logger = log.New()
+
 	if Settings.Log.DebugLevel {
-		log.SetLevel(log.DebugLevel)
+		Logger.SetLevel(log.DebugLevel)
 	}
 
 	if Settings.Log.WriteFile {
@@ -22,7 +26,7 @@ func initLog() {
 		}
 		err := os.MkdirAll(Settings.Log.FilePath, os.ModePerm)
 		if err != nil {
-			log.Fatalln(err)
+			Logger.Fatalln(err)
 		}
 
 		if Settings.Log.FileName == "" {
@@ -31,15 +35,15 @@ func initLog() {
 
 		f, err := os.OpenFile(Settings.Log.FilePath+Settings.Log.FileName, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0644)
 		if err != nil {
-			log.Fatalln(err)
+			Logger.Fatalln(err)
 		}
 
 		//设置双重输出
 		mw := io.MultiWriter(os.Stdout, f)
-		log.SetOutput(mw)
+		Logger.SetOutput(mw)
 
 		//设置输出格式
-		log.SetFormatter(&nested.Formatter{
+		Logger.SetFormatter(&nested.Formatter{
 			HideKeys:        true,
 			NoColors:        Settings.Log.WriteFile,
 			TimestampFormat: "2006-01-02 15:04:05",