Download lombok-1.16.12.jar package
Then add the packet to the next sibling directory eclipse.ini
Open eclipse directory: add the last two lines as follows:
-Xbootclasspath/a:lombok-1.16.12.jar
-javaagent:lombok-1.16.12.jar
Then restart eclipse
Meanwhile references lombok-1.16.12.jar this package in your project
At this point your lombok plug-in settings to take effect.