diff --git a/README.md b/README.md
index b671eff2..f9fce78c 100644
--- a/README.md
+++ b/README.md
@@ -71,7 +71,7 @@ You can update the used quota using the API key of any token, allowing other con
 
 ### Support OpenAI O1/O1-mini/O1-preview
 
-- [feat: add openai o1](https://github.com/songquanpeng/one-api/pull/1990)
+- [feat: add openai o1 #1990](https://github.com/songquanpeng/one-api/pull/1990)
 
 ### Get request's cost
 
@@ -98,4 +98,4 @@ type UserRequestCost struct {
 
 ### Whisper's transcription only charges for the length of the input audio
 
-- [feat(audio): count whisper-1 quota by audio duration](https://github.com/Laisky/one-api/pull/21)
+- [feat(audio): count whisper-1 quota by audio duration #2022](https://github.com/songquanpeng/one-api/pull/2022)
diff --git a/common/helper/audio.go b/common/helper/audio.go
index f3230cbb..b5b1acf8 100644
--- a/common/helper/audio.go
+++ b/common/helper/audio.go
@@ -3,7 +3,6 @@ package helper
 import (
 	"bytes"
 	"context"
-	"fmt"
 	"io"
 	"os"
 	"os/exec"
@@ -30,13 +29,6 @@ func SaveTmpFile(filename string, data io.Reader) (string, error) {
 
 // GetAudioDuration returns the duration of an audio file in seconds.
 func GetAudioDuration(ctx context.Context, filename string) (float64, error) {
-	// print file info for debug
-	fstat, err := os.Stat(filename)
-	if err != nil {
-		return 0, errors.Wrap(err, "failed to get audio duration")
-	}
-	fmt.Printf("file name: %s, size: %d\n", filename, fstat.Size())
-
 	// ffprobe -v error -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 {{input}}
 	c := exec.CommandContext(ctx, "/usr/bin/ffprobe", "-v", "error", "-show_entries", "format=duration", "-of", "default=noprint_wrappers=1:nokey=1", filename)
 	output, err := c.Output()