Revert ".."

This reverts commit 3cd16dd4ffdad58f7752e8c4db9bb8c1d5c20167.
Revert "BackGround"

This reverts commit fe276e2b2bed894e210182d87ba2c3c9a9225814.
Revert "。。"

This reverts commit 0378a54696e1ab28a947e7d4864dab5b4fa01632.
Revert "Revert "。。""

This reverts commit d2e84ba5046cf8821cdb77894595bcd397b301c0.
Revert "Revert "BackGround""

This reverts commit da78dfb5f44b5905b3b19bbcd453a968c134b927.
Revert "Revert "..""

This reverts commit b7974ea421179e660b981d32fe48d7f0f462618d.
Revert ".."

This reverts commit 3cd16dd4ffdad58f7752e8c4db9bb8c1d5c20167.
Revert "BackGround"

This reverts commit fe276e2b2bed894e210182d87ba2c3c9a9225814.
Revert "。。"

This reverts commit 0378a54696e1ab28a947e7d4864dab5b4fa01632.
Version 1.2