But simple paper airplanes could not satisfy Chuo. He began to change the angle of the wings and shape of the fuselage, improving the planes 'performance and stability.
抓對重心但簡易紙飛機無法滿足卓志賢，他開始改變機翼和機身形成的角度，以增強紙飛機的功能和穩定性。