diff --git a/README.md b/README.md
index 8e24efc..8f98d4a 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,8 @@ Python >= 3
 # 参数列表
 http://127.0.0.1:5000/Song_V1?ids=(填写歌曲链接或者ID)&level=(填写需要解析的音质)&type=(down json text)
 
+音质 standard, exhigh, lossless, hires
+
 # 演示列表
 [直接显示](https://api.toubiec.cn/Song_V1?ids=16686599&level=hires&type=text)
 [Json数组显示](https://api.toubiec.cn/Song_V1?ids=16686599&level=hires&type=json)