Installation error:INSTALL_FAILED_VERSION_DOWNGRADE

由于安装apk的VersionCode高于已有当前程序

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.my.test"
    android:versionCode="48"
    android:versionName="3.0.0" >