下面代码解2G一下的没问题，2G以上的就不行了。如何修改可以支持2G以上的呢？ 
private static final int CACHE_SIZE = 1024 * 1024 * 10; 
public static void main(String args) throws IOException { 
String filePath = “~/IncallUpgrade/HuOs/update.zip”; 
byte key = new byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; 
byte iv = new byte{1, 0, 0, 0, 0, 0, 6, 0, 0, 0, 3, 0, 0, 4, 0, 0}; 
AES aes = new AES(Mode.CBC, Padding.PKCS5Padding, ...