diff --git a/xiaomusic/config.py b/xiaomusic/config.py
index 8ae0359..bf2e5b9 100644
--- a/xiaomusic/config.py
+++ b/xiaomusic/config.py
@@ -73,6 +73,7 @@ KEY_MATCH_ORDER = [
 SUPPORT_MUSIC_TYPE = [
     ".mp3",
     ".flac",
+    ".wav",
 ]
 
 
diff --git a/xiaomusic/xiaomusic.py b/xiaomusic/xiaomusic.py
index 63b7528..4d1b1b1 100644
--- a/xiaomusic/xiaomusic.py
+++ b/xiaomusic/xiaomusic.py
@@ -379,7 +379,7 @@ class XiaoMusic:
                     name,
                     extension,
                 )
-                if extension not in SUPPORT_MUSIC_TYPE:
+                if extension.lower() not in SUPPORT_MUSIC_TYPE:
                     continue
 
                 # 歌曲名字相同会覆盖