mcp调试完成

backend/core/config.py

@@ -1,27 +1,26 @@
+import os
+from typing import ClassVar # <--- 1. 导入这个
 from pydantic_settings import BaseSettings, SettingsConfigDict
-import logging
 
-# 获取当前模块的专用 Logger
-# __name__ 会自动识别为 "backend.services.crawler_service" 这样的路径
-logger = logging.getLogger(__name__)
 class Settings(BaseSettings):
-    """
-    系统配置类
-    自动读取环境变量或 .env 文件
-    """
-    CANDIDATE_NUM: int = 10
-
     DB_USER: str
     DB_PASS: str
     DB_HOST: str
     DB_PORT: str = "5432"
     DB_NAME: str
-
     DASHSCOPE_API_KEY: str
     FIRECRAWL_API_KEY: str
+    
+    CANDIDATE_NUM: int = 50 
 
-    # 配置：忽略多余的环境变量，指定编码
-    model_config = SettingsConfigDict(env_file=".env", extra="ignore", env_file_encoding='utf-8')
+    # =========================================================
+    # 【核心修复】加上 ClassVar 类型注解
+    # =========================================================
+    BASE_DIR: ClassVar[str] = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+    ENV_PATH: ClassVar[str] = os.path.join(BASE_DIR, ".env")
+
+    # 使用绝对路径加载
+    model_config = SettingsConfigDict(env_file=ENV_PATH, extra="ignore")
 
     @property
     def DATABASE_URL(self) -> str: