diff --git a/docs/README.md b/docs/README.md
index 605ade1..7edde6d 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -2263,6 +2263,7 @@ crbt: Option<String>, None或字符串表示的十六进制，功能未知
 cf: Option<String>, 空白字串或者None，功能未知
 al: Album, 专辑，如果是DJ节目(dj_type != 0)或者无专辑信息(single == 1)，则专辑id为0
 dt: u64, 歌曲时长
+hr: Option<Quality>, Hi-Res质量文件信息
 sq: Option<Quality>, 无损质量文件信息
 h: Option<Quality>, 高质量文件信息
 m: Option<Quality>, 中质量文件信息
diff --git a/interface.d.ts b/interface.d.ts
index 16e95f8..46d599d 100644
--- a/interface.d.ts
+++ b/interface.d.ts
@@ -1085,7 +1085,7 @@ type SongDetail = {
   m: SongDetailQuality | null
   l: SongDetailQuality | null
   sq: SongDetailQuality | null
-  hr: unknown
+  hr: SongDetailQuality | null
   a: unknown | null
   cd: string
   no: number