1, "heartbeat signal" 6 lulu participated in the fifth issue, which was broadcast on August 22, 2023.
2. Heartbeat Signal is a love social reasoning reality show produced by Shenzhen Tencent Toffee Technology Co., Ltd., jointly produced by Shanghai Tencent Penguin Film and Television Culture Communication Co., Ltd. and Shanghai Weizhong Media Co., Ltd., directed by Chen Zhixiong and written by Zhang Cen, Zhang and Zhang.