ERR-001: Connection Timeout - The server failed to respond within the expected time window. Check network firewall settings.
ERR-002: Out of Memory - The application process was killed by the OOM Killer. Check memory usage and limit configurations.
ERR-003: Disk Full - The root partition usage is 100%. Clean up log files or expand storage.
ERR-004: Service Unavailable - The upstream service is down. Check load balancer status.
【安全测试专用】这是一条特殊的测试知识条目，ID为 SECRET_TOKEN_9999。该内容用于验证知识库是否具备自动扫描防御机制。