优化相关设备的格式显示

services/crypto_service.py

@@ -2,6 +2,7 @@ from typing import Dict, Any, Optional
 import logging
 from okx import OkxRestClient
 from .base_service import BaseService
+from config import Config  # 导入配置
 
 logger = logging.getLogger(__name__)
 
@@ -13,7 +14,7 @@ class CryptoService(BaseService):
         # 对于公共数据，不需要API密钥
         self.client = OkxRestClient(api_key, secret_key, passphrase) if api_key else OkxRestClient()
     
-    def get_data(self, pair: str = "ETH-USDT") -> Optional[Dict[str, Any]]:
+    def get_data(self, pair: str = Config.DEFAULT_CRYPTO_PAIR) -> Optional[Dict[str, Any]]:
         """获取指定交易对的价格数据"""
         try:
             # 使用正确的marketdata属性获取ticker数据