如果仍然没有帮助，请尝试仅加密系统分区。

If it does not help, try encrypting the system partition only.

youdao

不过，请记住，使用XPath表达式还可以仅加密xml消息的服务数据对象的某一部分。

However, keep in mind that using XPath expressions also makes it possible to just encrypt some part of a service data object of an XML message.

youdao

每当我们都仅须加密内容时都使用这个值。

We use this value whenever we have to encrypt only the content.

youdao