update according to review
update according to review

dreamsxin/LuxEngine,zhouxh1023/LumixEngine,gamedevforks/LumixEngine,gamedevforks/LumixEngine,JakubLukas/LumixEngine,galek/LumixEngine,dreamsxin/LuxEngine,galek/LumixEngine,JakubLukas/LumixEngine,zhouxh1023/LumixEngine,JakubLukas/LumixEngine