Release key creation does not work in console

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:bust_in_silhouette: Asked By Tori

When I try to create a release key, i input this command:
keytool -v -genkey -keystore mygame.keystore -alias mygame -keyalg RSA -validity 10000

Then it says “Enter keystore password:”, but I cannot input words, only the enter button works…How to fix that?