Merge remote-tracking branch 'origin/fix-mindspider' into fix-mindspider

# Conflicts:
#	MindSpider/DeepSentimentCrawling/MediaCrawler/schema/tables.sql
#	MindSpider/config.py

+# -*- coding: utf-8 -*-
+"""
+存储数据库连接信息和API密钥
+"""
+
+from pydantic_settings import BaseSettings
+from typing import Optional
+from pydantic import Field
+from pathlib import Path
+
+# 计算 .env 优先级：优先当前工作目录，其次项目根目录（MindSpider 的上级目录）
+PROJECT_ROOT: Path = Path(__file__).resolve().parents[1]
+CWD_ENV: Path = Path.cwd() / ".env"
+ENV_FILE: str = str(CWD_ENV if CWD_ENV.exists() else (PROJECT_ROOT / ".env"))
+
+class Settings(BaseSettings):
+    """全局配置管理，优先从环境变量和.env加载。支持MySQL/PostgreSQL统一数据库参数命名。"""
+    DB_DIALECT: str = Field("mysql", description="数据库类型，支持'mysql'或'postgresql'")
+    DB_HOST: str = Field("your_host", description="数据库主机名或IP地址")
+    DB_PORT: int = Field(3306, description="数据库端口号")
+    DB_USER: str = Field("your_username", description="数据库用户名")
+    DB_PASSWORD: str = Field("your_password", description="数据库密码")
+    DB_NAME: str = Field("mindspider", description="数据库名称")
+    DB_CHARSET: str = Field("utf8mb4", description="数据库字符集")
+    MINDSPIDER_API_KEY: Optional[str] = Field(None, description="MINDSPIDER API密钥")
+    MINDSPIDER_BASE_URL: Optional[str] = Field("https://api.deepseek.com", description="MINDSPIDER API基础URL，推荐deepseek-chat模型使用https://api.deepseek.com")
+    MINDSPIDER_MODEL_NAME: Optional[str] = Field("deepseek-chat", description="MINDSPIDER API模型名称, 推荐deepseek-chat")
+
+    class Config:
+        env_file = ENV_FILE
+        env_prefix = ""
+        case_sensitive = False
+        extra = "allow"
+
+settings = Settings()