{"code":0,"msg":"系统健康检查","data":{"version":"2.0.0","framework":"PHP + MySQL","status":"running","timestamp":"2026-04-12 13:42:26","checks":{"database":{"status":"ok","message":"数据库连接正常"},"filesystem":{"status":"ok","message":"文件系统正常"},"memory":{"status":"ok","message":"内存使用正常"}}}}