Revert "as代码抽象出一个单独的Utils静态类"

This reverts commit 9f743538ebbd9314505dac28a520ae331e768d74.
Revert "Revert "as代码抽象出一个单独的Utils静态类""

This reverts commit 1e83284f0a9ee8f69318b409205ab9ea24bb47b9.