优化对话转工单功能，添加重试机制以提高稳定性，限制处理会话数量为前2000个，更新示例查询和文件路径，增强代码可读性和维护性。同时新增数据库客户端功能，支持批量处理会话数据并导出至Excel。

rag2_0/dify/intent_recognition_api.py

@@ -6,10 +6,23 @@ import json
 import time
 import threading
 import datetime
+import logging
 
 # 加载环境变量
 load_dotenv()
 
+logging.basicConfig(
+    level=logging.INFO,
+    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
+    handlers=[
+        logging.StreamHandler()
+    ]
+)
+logging.getLogger('httpx').setLevel(logging.WARNING)
+logging.getLogger('openai').setLevel(logging.WARNING)
+
+logger = logging.getLogger(__name__)
+
 app = Flask(__name__)
 
 # 创建线程锁，用于保护共享资源
@@ -50,8 +63,8 @@ def intent_recognize():
             
         end_time = time.time()
         current_time = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S %z")
-        print(f"[{current_time}] [{os.getpid()}] [INFO] 意图识别耗时: {end_time - start_time:.2f}秒")
-        
+        logger.info(f"[{os.getpid()}] 意图识别耗时: {end_time - start_time:.2f}秒")
+
         # 提取分类信息
         classification = result["classification"]