C501 Authentication Passed

"Your certification has passed, and I've got your certificate back. Come and get it when you can." Prof. Yuen was in a good mood, and his voice was filled with endless joy.

Lo Xi thanked him in a low voice, "Thank you for your trouble."

Prof. Yuen said again, "Other than this matter, there is another matter. But this matter is of great importance. You need to come personally to tell you