mac使用apktool
解包apk
apktool -r d xxx.apk -o test
重打包apk
apktool b test -o xxx2.apk
apk签名
下载项目的jar包https://github.com/patrickfav/uber-apk-signer/releases
java -jar uber-apk-signer-1.2.1.jar -a /Users/chennan/Desktop/CXA/dfh2.apk --allowResign