 { hour12: false });

            let content = '';
            if (data.type === 'vcp_log' && data.data) {
                content = `<strong>VCP 信息：</strong><br>${JSON.stringify(data.data, null, 2)}`;
            } else if (data.type === 'connection_ack') {
                content = `<strong>连接确认：</strong><br>${data.message}`;
            } else {
                content = `<strong>未知消息：</strong><br>${JSON.stringify(data, null, 2)}`;
            }
            item.innerHTML = `${