Solution: Download the JCE unrestricted permissions policy file from the official website, copy and replace the two jar files in the downloaded file to %JAVA_Home%/jre/lib/security
jdk7 official website download address:http://www.oracle.com/technetwork/java/javase/downloads/jce-7-download-432124.html
jdk8 official website download address:http://www.oracle.com/technetwork/java/javase/downloads/jce-7-download-432124.html
The package I downloaded:https://download.csdn.net/download/csl12919/87541803
