diff --git a/src/ncmlyrics/api.py b/src/ncmlyrics/api.py
index 5dda5b7..d070fb7 100644
--- a/src/ncmlyrics/api.py
+++ b/src/ncmlyrics/api.py
@@ -1,7 +1,5 @@
-from dataclasses import dataclass
 from http.cookiejar import LoadError, MozillaCookieJar
 from json import dumps as dumpJson
-from typing import Iterable
 
 from httpx import Client as HttpXClient
 from httpx import Request as HttpXRequest
@@ -14,6 +12,8 @@ from .error import (
 )
 from .object import NCMAlbum, NCMLyrics, NCMPlaylist, NCMTrack
 
+__all__ = ["NCMApi"]
+
 REQUEST_HEADERS = {
     "Accept": "application/json",
     "Accept-Encoding": "zstd, br, gzip, deflate",
diff --git a/src/ncmlyrics/error.py b/src/ncmlyrics/error.py
index 1d7788c..a5aaffb 100644
--- a/src/ncmlyrics/error.py
+++ b/src/ncmlyrics/error.py
@@ -1,5 +1,16 @@
 from httpx import RequestError
 
+__all__ = [
+    "NCMLyricsAppError",
+    "NCMApiError",
+    "NCMApiRequestError",
+    "NCMApiRetryLimitExceededError",
+    "ObjectParseError",
+    "ParseLinkError",
+    "UnsupportedLinkError",
+    "UnsupportedPureMusicTrackError",
+]
+
 
 class NCMLyricsAppError(Exception):
     """NCMLyrics 错误"""
diff --git a/src/ncmlyrics/lrc.py b/src/ncmlyrics/lrc.py
index bda9b29..99f3f85 100644
--- a/src/ncmlyrics/lrc.py
+++ b/src/ncmlyrics/lrc.py
@@ -10,7 +10,7 @@ from .enum import LrcMetaType, LrcType
 from .error import UnsupportedPureMusicTrackError
 from .object import NCMLyrics
 
-__all__ = ["LrcType", "LrcMetaType", "Lrc"]
+__all__ = ["Lrc"]
 
 LRC_RE_COMMIT = reCompile(r"^\s*#")
 LRC_RE_META = reCompile(r"^\s*\[(?P<type>ti|ar|al|au|length|by|offset):\s*(?P<content>.+?)\s*\]\s*$")
diff --git a/src/ncmlyrics/util.py b/src/ncmlyrics/util.py
index 240a79b..09693eb 100644
--- a/src/ncmlyrics/util.py
+++ b/src/ncmlyrics/util.py
@@ -10,6 +10,8 @@ from .enum import LinkType
 from .error import ParseLinkError, UnsupportedLinkError
 from .object import NCMTrack
 
+__all__ = ["Link", "parseLink", "testExistTrackSource", "pickOutput"]
+
 RE_ANDROID_ALBUM_SHARE_LINK_PATH = reCompile(r"^/album/(?P<id>\d*)/?$")
 RE_SAFE_FILENAME = reCompile(r"\*{2,}")
 TRANSLATER_SAFE_FILENAME = str.maketrans({i: 0x2A for i in ("<", ">", ":", '"', "/", "\\", "|", "?")})
diff --git a/tests/test_utils.py b/tests/test_utils.py
index 2ca8111..6946fda 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -1,9 +1,10 @@
 from pathlib import Path
 from unittest import TestCase
 
-from ncmlyrics.api import NCMTrack
-from ncmlyrics.error import ParseLinkError, UnsupportLinkError
-from ncmlyrics.util import Link, LinkType, parseLink, pickOutput, testExistTrackSource
+from ncmlyrics.enum import LinkType
+from ncmlyrics.error import ParseLinkError, UnsupportedLinkError
+from ncmlyrics.object import NCMTrack
+from ncmlyrics.util import Link, parseLink, pickOutput, testExistTrackSource
 
 
 class TestUtils(TestCase):
@@ -73,19 +74,19 @@ class TestUtils(TestCase):
 
     def test_parseLink_UnsupportShareLinkError(self):
         self.assertRaises(
-            UnsupportLinkError,
+            UnsupportedLinkError,
             parseLink,
             "https://www.google.com/",
         )
 
         self.assertRaises(
-            UnsupportLinkError,
+            UnsupportedLinkError,
             parseLink,
             "https://music.163.com/unsupport?id=123",
         )
 
         self.assertRaises(
-            UnsupportLinkError,
+            UnsupportedLinkError,
             parseLink,
             "https://music.163.com/album/123a",
         )