【fix】fix-cross-path-attack-risk #586
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The File. getAbsolutePath() method obtains the file path without filtering ". or. ". There is a risk of cross path attacks. It is recommended to use getCannonicalPath() to obtain the absolute path.
https://developer.android.com/reference/java/io/File
File.getAbsolutePath()方法获取文件路径，没有过滤“.\或.\”,存在跨路径攻击风险，推荐使用getCannonicalPath() 获取绝对路径。