C709 Secret Signal

"Network number, is it useful for you?" Bo Yehan asked.

Qin Ning nodded and looked at the puzzled Mu Yucheng. She replied, "You guys don't understand, but I have a way to crack the IP of this number. But the computers here are not good. Let's go to the principal's office. "

Finishing, Qin Ning strode out.

Just as Qin Ning and the others entered the principal's office, Mu Yucheng's phone rang