Revert "qwertyuiop"

This reverts commit b7503f811128f3fc7ea0b16bc2c8719dda5f066a.
Revert "lingyige"

This reverts commit ccb3d48bd64e3775cfe00bffd3f71352292a7983.
Revert "20130709"

This reverts commit 9d50bb79aa9535e890e4af48ade687bed5ea37d4.