npm install -g ionic@latest npm install
$ ionic cordova build android --release --prod
$ jarsigner -verbose -keystore ldae.keystore -signedjar ldae_chengdu_app_1.0.apk F:/fuck/ldae_app/platforms/android/build/outputs/apk/android-release-unsigned.apk LDAE 输入密钥库的密码短语: ldaekey