//1.1
w_model:
· Added gravity to the hair as it should have been. Now, when the character looks up and stays still, the hair will not obviously pass through the body.
· Fixed wrong thumb angle.
· Adjust the self luminous brightness of the glasses. (1% to 5%)

W模型：
· 为头发添加了本应该有的重力效果。现在，当人物抬头时保持静止，头发将不会明显穿过身体了。
· 修复了大拇指角度错误的问题。
· 调整眼睛的自发光亮度。（1%到5%）