diff --git a/README.md b/README.md
index a2c5f28..6963f7a 100644
--- a/README.md
+++ b/README.md
@@ -47,6 +47,7 @@ Practice Japanese Karaoke lyrics reading and typing at the same time with amaoke
 * [ ] Intro popup
 * [ ] Re-encode songs using opus
 * [ ] Meta tags
+* [ ] Bug: 音乐模式 should require lyrics to be ready
 
 ## 自搭服务器文档 / Self-hosting Guide