1.20.1MCDR开服时Fabric报错

报错内容为
Uncaught exception in thread "main"
java.lang.RuntimeException: An exception occurred when launching the server!
        at net.fabricmc.loader.impl.launch.server.FabricServerLauncher.main(FabricServerLauncher.java:71)
        at net.fabricmc.installer.ServerLauncher.main(ServerLauncher.java:69)
Caused by: java.lang.RuntimeException: Error invoking MC server bundler: java.lang.UnsupportedClassVersionError: net/minecraft/bundler/Main has been compiled by a more recent version of the Java Runtime (class file version 61.0), this version of the Java Runtime only recognizes class file versions up to 52.0
        at net.fabricmc.loader.impl.game.minecraft.BundlerProcessor.process(BundlerProcessor.java:102)
        at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.locateGame(MinecraftGameProvider.java:192)
        at net.fabricmc.loader.impl.launch.knot.Knot.createGameProvider(Knot.java:175)
        at net.fabricmc.loader.impl.launch.knot.Knot.init(Knot.java:130)
        at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:68)
        at net.fabricmc.loader.impl.launch.knot.KnotServer.main(KnotServer.java:23)
        at net.fabricmc.loader.impl.launch.server.FabricServerLauncher.main(FabricServerLauncher.java:69)
        ... 1 more
Caused by: java.lang.UnsupportedClassVersionError: net/minecraft/bundler/Main has been compiled by a more recent version of the Java Runtime (class file version 61.0), this version of the Java Runtime only recognizes class file versions up to 52.0
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(Unknown Source)
        at java.lang.ClassLoader.defineClass(Unknown Source)
        at net.fabricmc.loader.impl.game.minecraft.BundlerProcessor$1.loadClass(BundlerProcessor.java:65)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Unknown Source)
        at net.fabricmc.loader.impl.game.minecraft.BundlerProcessor.process(BundlerProcessor.java:85)
        ... 7 more

MCDR用的是pypi安装，java版本19，mc版本1.20.1，fabric版本0.15.7，没有安装mod和插件