修复了一些错误 更新了AI.md(给ai看的)

test_fixes.py

@@ -0,0 +1,53 @@
+#!/usr/bin/env python3
+Simple test to verify our fixes work in practice
+
+import os
+import sys
+import tempfile
+from pathlib import Path
+
+project_root = Path(__file__).parent
+sys.path.insert(0, str(project_root))
+
+from oss.config import Config
+from oss.logger.logger import Logger
+
+
+def test_cors_configuration():
+    print("\nTesting logging configuration...")
+    
+    config = Config()
+    print(f"Default log format: {config.get('LOG_FORMAT')}")
+    print(f"Default log level: {config.get('LOG_LEVEL')}")
+    print(f"Default log file: {config.get('LOG_FILE')}")
+    print(f"Default log max size: {config.get('LOG_MAX_SIZE')}")
+    print(f"Default log backup count: {config.get('LOG_BACKUP_COUNT')}")
+    
+    os.environ["LOG_FORMAT"] = "json"
+    os.environ["LOG_LEVEL"] = "DEBUG"
+    os.environ["LOG_FILE"] = "/tmp/test.log"
+    os.environ["LOG_MAX_SIZE"] = "20971520"    os.environ["LOG_BACKUP_COUNT"] = "10"
+    
+    config = Config()
+    print(f"Environment override log format: {config.get('LOG_FORMAT')}")
+    print(f"Environment override log level: {config.get('LOG_LEVEL')}")
+    print(f"Environment override log file: {config.get('LOG_FILE')}")
+    print(f"Environment override log max size: {config.get('LOG_MAX_SIZE')}")
+    print(f"Environment override log backup count: {config.get('LOG_BACKUP_COUNT')}")
+    
+    for key in ["LOG_FORMAT", "LOG_LEVEL", "LOG_FILE", "LOG_MAX_SIZE", "LOG_BACKUP_COUNT"]:
+        if key in os.environ:
+            del os.environ[key]
+    
+    print("✓ Logging configuration test passed!")
+
+
+def test_logging_functionality():
+    print("\nTesting CORS middleware logic...")
+    
+    class MockRequest:
+        def __init__(self, origin):
+            self.headers = {'Origin': origin}
+            self.method = 'GET'
+    
+    def simulate_cors_middleware(origin):