奇怪，收集到红色和蓝色后没有升级。 按住冲刺键时跳起，人物会滞留在空中，可以悬空左右移动，不知是不是bug？
Strange, nothing happened after I coleccted the Red and the Blue. sprint time and speed seemed staying the same. jump when holding sprint button, the character will float on air. Not sure if it is a glitch or not?