C184 Transmission of Cross-country Pursuit

"See Wolf at night, let him send the message." Because the Sweeper had a signal jammer. It would block the message, so Han Yuchen could only give up the secret communication method. This was also why he and Qing Luan worked together to sneak into the Sweeper's side. It was also because they could use her. When he pretended to be with her, he could secretly spread the news when he went out