Set startup parameters outside the springboot jar package
1: Create a .conf file with the same jar name under the .jar file at the same level, such as app.jar and app.config
2: Additional contents JAVA_OPTS="-server -Xms512M -Xmx512M -XX:MaxGCPauseMillis=500 -XX:+AggressiveOpts -XX:+UseParallelGC"