diff --git a/src/shared/__init__.py b/src/shared/__init__.py
index 2d499c1..763c6ef 100644
--- a/src/shared/__init__.py
+++ b/src/shared/__init__.py
@@ -2,10 +2,13 @@
 共享模块 - 通用工具和常量
 """
 
-from .constants import *
+from .constants import ContentType, Platform, ReportFormat, TaskStatus
 from .trace_context import TraceContext
 
 __all__ = [
     "TraceContext",
-    # 常量通过 * 导出
+    "Platform",
+    "TaskStatus",
+    "ContentType",
+    "ReportFormat",
 ]
diff --git a/tests/unit/core/test_bot_manager_lazy_load.py b/tests/unit/core/test_bot_manager_lazy_load.py
index 1300389..d25bb97 100644
--- a/tests/unit/core/test_bot_manager_lazy_load.py
+++ b/tests/unit/core/test_bot_manager_lazy_load.py
@@ -11,8 +11,8 @@ astrbot_root = os.path.abspath(os.path.join(plugin_root, "../../../"))
 if astrbot_root not in sys.path:
     sys.path.insert(0, astrbot_root)
 
-from src.core.bot_manager import BotManager
-from src.infrastructure.platform.factory import PlatformAdapterFactory
+from src.core.bot_manager import BotManager  # noqa: E402
+from src.infrastructure.platform.factory import PlatformAdapterFactory  # noqa: E402
 
 class TestBotManagerLazyLoad(unittest.TestCase):
     def setUp(self):
diff --git a/tests/unit/core/test_bot_manager_metadata.py b/tests/unit/core/test_bot_manager_metadata.py
index 8e0dee6..f62480a 100644
--- a/tests/unit/core/test_bot_manager_metadata.py
+++ b/tests/unit/core/test_bot_manager_metadata.py
@@ -11,7 +11,7 @@ astrbot_root = os.path.abspath(os.path.join(plugin_root, "../../../"))
 if astrbot_root not in sys.path:
     sys.path.insert(0, astrbot_root)
 
-from src.core.bot_manager import BotManager
+from src.core.bot_manager import BotManager  # noqa: E402
 
 class TestBotManagerMetadata(unittest.TestCase):
     def setUp(self):
diff --git a/tests/unit_test_platform.py b/tests/unit_test_platform.py
index 9b51354..f5d1ce9 100644
--- a/tests/unit_test_platform.py
+++ b/tests/unit_test_platform.py
@@ -17,11 +17,8 @@ if astrbot_root not in sys.path:
 print(f"Added to sys.path: {plugin_root}, {astrbot_root}")
 
 try:
-    from src.infrastructure.platform.factory import PlatformAdapterFactory
-    from src.infrastructure.platform.base import PlatformAdapter
-    from src.infrastructure.platform.adapters.discord_adapter import DiscordAdapter, DISCORD_CAPABILITIES
-    from src.application.analysis_orchestrator import AnalysisOrchestrator
-    from src.domain.value_objects.unified_message import UnifiedMessage
+    from src.infrastructure.platform.factory import PlatformAdapterFactory  # noqa: E402
+    from src.infrastructure.platform.adapters.discord_adapter import DiscordAdapter  # noqa: E402
 except ImportError as e:
     print(f"Import Error: {e}")
     print(f"sys.path: {sys.path}")
diff --git a/tests/verify_docker.py b/tests/verify_docker.py
index c6c5501..02d0723 100644
--- a/tests/verify_docker.py
+++ b/tests/verify_docker.py
@@ -13,7 +13,6 @@ try:
         AutoScheduler,
     )
     from astrbot_plugin_qq_group_daily_analysis.main import QQGroupDailyAnalysis
-    from astrbot.api.event import filter
 except ImportError as e:
     print(f"ImportError in Docker: {e}")
     # Fallback to local paths if testing locally
@@ -22,7 +21,6 @@ except ImportError as e:
         AutoScheduler,
     )
     from astrbot_plugin_qq_group_daily_analysis.main import QQGroupDailyAnalysis
-    from astrbot.api.event import filter
 
 
 class TestPhase3Docker(unittest.IsolatedAsyncioTestCase):
@@ -98,13 +96,13 @@ class TestPhase3Docker(unittest.IsolatedAsyncioTestCase):
             ) as MockBotManager,
             patch(
                 "astrbot_plugin_qq_group_daily_analysis.main.MessageAnalyzer"
-            ) as MockMessageAnalyzer,
+            ),
             patch(
                 "astrbot_plugin_qq_group_daily_analysis.main.ReportGenerator"
-            ) as MockReportGenerator,
+            ),
             patch(
                 "astrbot_plugin_qq_group_daily_analysis.main.RetryManager"
-            ) as MockRetryManager,
+            ),
             patch(
                 "astrbot_plugin_qq_group_daily_analysis.main.AutoScheduler"
             ) as MockAutoScheduler,
diff --git a/tests/verify_phase3.py b/tests/verify_phase3.py
index 118c4e2..e4b8571 100644
--- a/tests/verify_phase3.py
+++ b/tests/verify_phase3.py
@@ -42,9 +42,9 @@ anthropic.types = anthropic_types
 
 httpx = mock_package("httpx")
 
-import asyncio
-import unittest
-from unittest.mock import AsyncMock, patch
+import asyncio  # noqa: E402
+import unittest  # noqa: E402
+from unittest.mock import AsyncMock, patch  # noqa: E402
 
 # Adjust path to include the plugin directory
 sys.path.append(
@@ -55,9 +55,9 @@ sys.path.append(r"c:\Helianthus\astrpro\AstrBot-master")
 sys.path.append("/AstrBot")
 sys.path.append("/AstrBot/data/plugins/astrbot_plugin_qq_group_daily_analysis")
 
-from src.scheduler.auto_scheduler import AutoScheduler
-from main import QQGroupDailyAnalysis
-from astrbot.api.event import filter  # Import to ensure decorators work
+from src.scheduler.auto_scheduler import AutoScheduler  # noqa: E402
+from main import QQGroupDailyAnalysis  # noqa: E402
+from astrbot.api.event import filter  # noqa: E402, F401
 
 
 class TestPhase3(unittest.IsolatedAsyncioTestCase):
@@ -117,11 +117,11 @@ class TestPhase3(unittest.IsolatedAsyncioTestCase):
         with (
             patch("main.ConfigManager") as MockConfigManager,
             patch("main.BotManager") as MockBotManager,
-            patch("main.MessageAnalyzer") as MockMessageAnalyzer,
-            patch("main.ReportGenerator") as MockReportGenerator,
+            patch("main.MessageAnalyzer"),
+            patch("main.ReportGenerator"),
             patch("main.RetryManager") as MockRetryManager,
             patch("main.AutoScheduler") as MockAutoScheduler,
-            patch("main.TraceLogFilter") as MockLogFilter,
+            patch("main.TraceLogFilter"),
         ):
             # Setup mocks
             mock_auto_scheduler_instance = MockAutoScheduler.return_value