diff --git a/README.md b/README.md
index a3a8a77..30c0944 100644
--- a/README.md
+++ b/README.md
@@ -52,10 +52,12 @@ Original script by Sorrow. Modified by me to include some fixes and improvements
    
    
 7. Start downloading some albums: `go run main.go https://music.apple.com/us/album/whenever-you-need-somebody-2022-remaster/1624945511`.
-8. Start downloading singles: `go run main.go --select https://music.apple.com/us/album/whenever-you-need-somebody-2022-remaster/1624945511` input numbers separated by spaces.
-9. Start downloading some playlists: `go run main.go https://music.apple.com/us/playlist/taylor-swift-essentials/pl.3950454ced8c45a3b0cc693c2a7db97b` or `go run main.go https://music.apple.com/us/playlist/hi-res-lossless-24-bit-192khz/pl.u-MDAWvpjt38370N`.
-10. For dolby atmos: `go run main.go --atmos https://music.apple.com/us/album/1989-taylors-version-deluxe/1713845538`.
-11. For aac: `go run main.go --aac https://music.apple.com/us/album/1989-taylors-version-deluxe/1713845538`.
+8. Start downloading single : `go run main.go --song https://music.apple.com/us/album/never-gonna-give-you-up-2022-remaster/1624945511?i=1624945512`.
+9. Start downloading select: `go run main.go --select https://music.apple.com/us/album/whenever-you-need-somebody-2022-remaster/1624945511` input numbers separated by spaces.
+10. Start downloading some playlists: `go run main.go https://music.apple.com/us/playlist/taylor-swift-essentials/pl.3950454ced8c45a3b0cc693c2a7db97b` or `go run main.go https://music.apple.com/us/playlist/hi-res-lossless-24-bit-192khz/pl.u-MDAWvpjt38370N`.
+11. For dolby atmos: `go run main.go --atmos https://music.apple.com/us/album/1989-taylors-version-deluxe/1713845538`.
+12. For aac: `go run main.go --aac https://music.apple.com/us/album/1989-taylors-version-deluxe/1713845538`.
+13. For see quality: `go run main.go --debug https://music.apple.com/us/album/1989-taylors-version-deluxe/1713845538`.
 
 [中文教程-详见方法三](https://telegra.ph/Apple-Music-Alac高解析度无损音乐下载教程-04-02-2)