添加自动更新功能

routes/health.py

@@ -0,0 +1,31 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+from __future__ import annotations
+
+from flask import Blueprint, jsonify
+
+import database
+from services.time_utils import get_beijing_now
+
+health_bp = Blueprint("health", __name__)
+
+
+@health_bp.route("/health", methods=["GET"])
+def health_check():
+    """轻量健康检查：用于宿主机/负载均衡探活。"""
+    db_ok = True
+    db_error = ""
+    try:
+        database.get_system_config()
+    except Exception as e:
+        db_ok = False
+        db_error = f"{type(e).__name__}: {e}"
+
+    payload = {
+        "ok": db_ok,
+        "time": get_beijing_now().strftime("%Y-%m-%d %H:%M:%S"),
+        "db_ok": db_ok,
+        "db_error": db_error,
+    }
+    return jsonify(payload), (200 if db_ok else 500)
+