Help ionic Google map Release

my version app debug open maps

cordova build --release android

keytool -genkey -v -keystore minha-chave.keystore -alias alias_name -keyalg RSA -keysize 2048 -validity 10000

jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore minha-chave.keystore platforms/android/build/outputs/apk/android-release-unsigned.apk alias_name

and zipalign for last

my app not open google maps the map is blank nothing, i generate the keys with sha1

ionic cordova plugin add cordova-plugin-googlemaps --variable API_KEY_FOR_ANDROID=“YOUR_ANDROID_API_KEY_IS_HERE” --variable API_KEY_FOR_IOS=“YOUR_IOS_API_KEY_IS_HERE”
$ npm install --save @ionic-native/google-maps why not it works?