member of the action team quietly leaned into his ear and reported: "Captain, we discovered that one side of the handle of the donkey cart was hollow, this is what we found in that hole, is a fountain pen and a piece of paper. White paper. We took the fountain pen apart and examined it carefully, there were no problems with it at all." ,He felt that he needed to report this matter to Xu Wu, and how his superiors viewed this matter, he did not know, his duty was only to provide information.