优化证书生成与正式部署配置

backend/app/core/config.py

@@ -18,12 +18,11 @@ class Settings:
     secret_key: str = os.getenv("SECRET_KEY", "change-me")
     public_base_url: str = os.getenv("PUBLIC_BASE_URL", "http://localhost:8080")
     certificate_no_secret: str = os.getenv("CERTIFICATE_NO_SECRET", "change-me")
-    pdf_cache_days: int = int(os.getenv("PDF_CACHE_DAYS", "30"))
     data_root: str = os.getenv("DATA_ROOT", "/data/certificate-system")
     cors_origins: list[str] = field(
         default_factory=lambda: _csv_env("CORS_ORIGINS", ["http://localhost:5173", "http://localhost:8080"])
     )
-    
+
     # 短信服务配置
     # local=本地测试（验证码打印到终端），aliyun=阿里云短信
     sms_mode: str = os.getenv("SMS_MODE", "local")
@@ -32,6 +31,10 @@ class Settings:
     aliyun_sms_sign_name: str = os.getenv("ALIYUN_SMS_SIGN_NAME", "")
     aliyun_sms_template_code: str = os.getenv("ALIYUN_SMS_TEMPLATE_CODE", "")
 
+    # PDF配置
+    pdf_cache_days: int = int(os.getenv("PDF_CACHE_DAYS", "30"))
+    pdf_cleanup_days: int = int(os.getenv("PDF_CLEANUP_DAYS", "5"))
+
 
 @lru_cache
 def get_settings() -> Settings: