修复了一些错误 更新了AI.md(给ai看的)

oss/tests/test_fixes.py

@@ -0,0 +1,32 @@
+Simple test to verify our fixes
+
+import os
+import tempfile
+import pytest
+from pathlib import Path
+
+from oss.config import Config
+from oss.logger.logger import Logger
+
+
+def test_cors_fix():
+    config = Config()
+    
+    assert config.get("LOG_FILE") == ""
+    assert config.get("LOG_MAX_SIZE") == 10485760    assert config.get("LOG_BACKUP_COUNT") == 5
+    
+    os.environ["LOG_FILE"] = "/tmp/test.log"
+    os.environ["LOG_MAX_SIZE"] = "20971520"    os.environ["LOG_BACKUP_COUNT"] = "10"
+    
+    config = Config()
+    
+    assert config.get("LOG_FILE") == "/tmp/test.log"
+    assert config.get("LOG_MAX_SIZE") == 20971520
+    assert config.get("LOG_BACKUP_COUNT") == 10
+    
+    for key in ["LOG_FILE", "LOG_MAX_SIZE", "LOG_BACKUP_COUNT"]:
+        if key in os.environ:
+            del os.environ[key]
+
+
+def test_logger_functionality():