From October 13^thto 15^th, 2019, the final of the 5^thChina "Internet+" College Students’ Innovation and Entrepreneurship Competition was held in Zhejiang University. Liu Yuncong, Lv Zongdi, Li Xiaoyao, Yuan Song, Xin Yuepeng, Du Zhaoyi, Yu Xinyu, Yang Yumin, Wang Xinrui from QMES and Jesus and Matteo from QMUL, won the silver prize in the international track competition. Their project was “Bridge flaw detection sensor-A product based on self-repairing triboelectric nanogenerator”, which was accomplished under the guidance of Professor Kong Jie. Their performance has made a great breakthrough for NPU.