fix stupid bug for Android, null pointer
fix stupid bug for Android, null pointer

segafan/wmelite_mnemonic-repo,segafan/wmelite_mnemonic-repo,segafan/wmelite_hcdaniel-repo,segafan/wmelite_mnemonic-repo,segafan/wmelite_hcdaniel-repo,segafan/wmelite_hcdaniel-repo,segafan/wmelite_mnemonic-repo,segafan/wmelite_hcdaniel-repo