Revert "update log file"

This reverts commit 17c620f9e0c7c1c8eea88c84178a7cd27064c3b4.
Merge branch 'master' of https://github.com/shengxus/OpenGL

This reverts commit 17c620f9e0c7c1c8eea88c84178a7cd27064c3b4.