diff --git a/tests/test_media_scrape_endpoint.py b/tests/test_media_scrape_endpoint.py
index b09d44077..d7bc7d1db 100644
--- a/tests/test_media_scrape_endpoint.py
+++ b/tests/test_media_scrape_endpoint.py
@@ -14,7 +14,9 @@ def test_scrape_uses_explicit_media_source_and_id() -> None:
     chain = Mock()
     chain.recognize_media.return_value = media_info
 
-    with patch("app.api.endpoints.media.MediaChain", return_value=chain):
+    with patch("app.api.endpoints.media.MediaChain", return_value=chain) as mock_chain:
+        # mkv 非音频文件，需显式关闭 Mock 的 is_audio_path 避免误入音乐分支
+        mock_chain.is_audio_path.return_value = False
         result = scrape(
             fileitem=fileitem,
             storage="alist",
@@ -46,7 +48,9 @@ def test_scrape_keeps_automatic_recognition_compatible() -> None:
     chain = Mock()
     chain.recognize_by_path.return_value = Context(meta_info=meta_info, media_info=media_info)
 
-    with patch("app.api.endpoints.media.MediaChain", return_value=chain):
+    with patch("app.api.endpoints.media.MediaChain", return_value=chain) as mock_chain:
+        # mkv 非音频文件，需显式关闭 Mock 的 is_audio_path 避免误入音乐分支
+        mock_chain.is_audio_path.return_value = False
         result = scrape(
             fileitem=fileitem,
             storage="alist",
diff --git a/tests/test_music_album_match.py b/tests/test_music_album_match.py
index 67092b377..d867d0e72 100644
--- a/tests/test_music_album_match.py
+++ b/tests/test_music_album_match.py
@@ -1,5 +1,6 @@
 import pytest
 
+from app.chain.media import MediaChain
 from app.chain.music import MusicChain
 from app.core.context import MusicAlbumInfo, MusicInfo
 from app.core.meta import MetaMusic
@@ -177,7 +178,7 @@ def test_recognize_album_directory_skips_single_file(tmp_path, music_chain, monk
     assert music_chain.recognize_album_directory(album_dir) == {}
 
 
-def test_recognize_music_by_path_falls_back_to_album_match(tmp_path, music_chain, monkeypatch):
+def test_recognize_music_by_path_falls_back_to_album_match(tmp_path, monkeypatch):
     """单曲识别无远端身份时应用目录级匹配结果兜底。"""
     album_dir = tmp_path / "周杰伦 - 七里香 (2004)"
     album_dir.mkdir()
@@ -192,16 +193,16 @@ def test_recognize_music_by_path_falls_back_to_album_match(tmp_path, music_chain
         album="七里香",
         track_number=1,
     )
+    # recognize_music_by_path 已下沉至 MediaChain 统一识别入口
+    chain = MediaChain()
+    monkeypatch.setattr(chain, "recognize_media", lambda **kwargs: None)
     monkeypatch.setattr(
-        music_chain, "recognize_media", lambda **kwargs: None
-    )
-    monkeypatch.setattr(
-        music_chain,
-        "recognize_album_directory",
-        lambda path: {str(file.resolve()): matched_info},
+        chain,
+        "_music_album_dir_fallback",
+        lambda path: matched_info,
     )
 
-    meta, info = music_chain.recognize_music_by_path(file)
+    meta, info = chain.recognize_music_by_path(file)
 
     assert info.media_id == "rec-1"
     assert info.title == "我的地盘"
diff --git a/tests/test_music_chain.py b/tests/test_music_chain.py
index bf1a0e5f3..fcd7c4677 100644
--- a/tests/test_music_chain.py
+++ b/tests/test_music_chain.py
@@ -1,5 +1,6 @@
 from unittest.mock import AsyncMock
 
+from app.chain.media import MediaChain
 from app.chain.music import MusicChain
 from app.core.context import MusicAlbumInfo, MusicArtistInfo, MusicInfo
 from app.core.meta import MetaMusic
@@ -307,7 +308,7 @@ def test_async_recognize_by_path_reads_local_audio_tags(tmp_path, monkeypatch):
         album="完美的一天",
         cover_url="https://coverartarchive.org/release-group/album-1/front-500",
     )
-    chain = MusicChain()
+    chain = MediaChain()
     recognize = AsyncMock(return_value=info)
     monkeypatch.setattr(AudioMetadataHelper, "read", lambda path: meta)
     monkeypatch.setattr(chain, "async_recognize_media", recognize)