.

src/backend/config.py

@@ -1,24 +1,50 @@
 from pydantic_settings import BaseSettings
 from dotenv import load_dotenv
 import os
+import sys
 
-load_dotenv()
+ENV_FILE = ".env"
+
+if not os.path.exists(ENV_FILE):
+    default_env_content = """
+APP_NAME=AI Network Configurator
+DEBUG=True
+API_PREFIX=/api
+
+SILICONFLOW_API_KEY=your-api-key-here
+SILICONFLOW_API_URL=https://api.siliconflow.cn/v1
+
+SWITCH_USERNAME=admin
+SWITCH_PASSWORD=admin
+SWITCH_TIMEOUT=10
+
+ENSP_DEFAULT_IP=172.17.99.201
+ENSP_DEFAULT_PORT=2000
+"""
+    with open(ENV_FILE, "w", encoding="utf-8") as f:
+        f.write(default_env_content)
+
+    print(f"已生成默认配置文件 {ENV_FILE} ，请修改后重新运行程序。")
+    sys.exit(1)
+
+# 加载 .env 文件
+load_dotenv(ENV_FILE)
 
 
 class Settings(BaseSettings):
-    APP_NAME: str = "AI Network Configurator"
-    DEBUG: bool = True
-    API_PREFIX: str = "/api"
+    APP_NAME: str
+    DEBUG: bool
+    API_PREFIX: str
 
-    SILICONFLOW_API_KEY: str = os.getenv("SILICONFLOW_API_KEY", "sk-mhzuedasunrgdrxfkcxmxgaypgjnxgodvvmrzzdbqrwtkqej")
-    SILICONFLOW_API_URL: str = os.getenv("SILICONFLOW_API_URL", "https://api.siliconflow.cn/v1")
+    SILICONFLOW_API_KEY: str
+    SILICONFLOW_API_URL: str
 
-    SWITCH_USERNAME: str = os.getenv("SWITCH_USERNAME", "admin")
-    SWITCH_PASSWORD: str = os.getenv("SWITCH_PASSWORD", "admin")
-    SWITCH_TIMEOUT: int = os.getenv("SWITCH_TIMEOUT", 10)
+    SWITCH_USERNAME: str
+    SWITCH_PASSWORD: str
+    SWITCH_TIMEOUT: int
 
-    ENSP_DEFAULT_IP: str = "172.17.99.201"
-    ENSP_DEFAULT_PORT: int = 2000
+    ENSP_DEFAULT_IP: str
+    ENSP_DEFAULT_PORT: int
 
     class Config:
         env_file = ".env"