大佬们，请问一下运行出现下面这些代码有什么方法解决吗？警告
Warning: could not find uniform: normalModelViewMatrix
Warning: could not find uniform: frontMaterialEmission
Warning: could not find uniform: frontMaterialSpecular
Warning: could not find uniform: frontMaterialShininess
Warning: could not find vertex attribute: inormal
Warning: could not find vertex attribute: itexCoord