优化全局zap的打印，修复待机任务出现多个的情况

pkg/audio/bgm.go

@@ -8,16 +8,16 @@ import (
 	"io"
 )
 
-func PlayBgmMP3(r io.ReadCloser, opts ...beep.LoopOption) (*beep.Ctrl, func() error) {
+func PlayBgmMP3(r io.ReadCloser, opts ...beep.LoopOption) (*beep.Ctrl, func() error, error) {
 	streamer, format, err := mp3.Decode(r)
 	if err != nil {
-		return nil, func() error { return nil }
+		return nil, func() error { return nil }, err
 	}
 
 	loop2, err := beep.Loop2(streamer, opts...)
 	if err != nil {
 		logger.Infoln("循环播放异常: ", err)
-		return nil, streamer.Close
+		return nil, streamer.Close, err
 	}
 
 	s := beep.Resample(4, format.SampleRate, DefaultSampleRate, loop2)
@@ -27,5 +27,5 @@ func PlayBgmMP3(r io.ReadCloser, opts ...beep.LoopOption) (*beep.Ctrl, func() er
 		streamer.Close()
 	})))
 
-	return ctrl, streamer.Close
+	return ctrl, streamer.Close, nil
 }