如图，权限插件已经对应好没问题


求大佬详细指点

请将执行命令用双引号括起。
例如:
Execute-command: "your command here..."
另外，请删除YUM或关闭该插件的报错简化功能。
最后，请将 GadgetsMenu 升级到 SpigotMC 官网提供的稳定最新版。

双引号改完之后重载，插件自动删掉双引号了，稳定版是多少版本

完整的报错java.lang.NullPointerException: Cannot invoke "String.replace(java.lang.CharSequence, java.lang.CharSequence)" because the return value of "com.yapzhenyie.GadgetsMenu.GadgetsMenuData.getCosmeticItemPurchaseCommand()" is null
        at com.yapzhenyie.GadgetsMenu.menu.menus.ItemPurchaseMenu.InvClickPurchaseMenu(ItemPurchaseMenu.java:113) ~[?:?]
        at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor343.execute(Unknown Source) ~[?:?]
        at org.bukkit.plugin.EventExecutor.lambda$create$1(EventExecutor.java:69) ~[patched_1.16.5.jar:git-Paper-783]
        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80) ~[patched_1.16.5.jar:git-Paper-783]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[patched_1.16.5.jar:git-Paper-783]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:624) ~[patched_1.16.5.jar:git-Paper-783]
        at net.minecraft.server.v1_16_R3.PlayerConnection.a(PlayerConnection.java:2715) ~[patched_1.16.5.jar:git-Paper-783]
        at net.minecraft.server.v1_16_R3.PacketPlayInWindowClick.a(SourceFile:32) ~[patched_1.16.5.jar:git-Paper-783]
        at net.minecraft.server.v1_16_R3.PacketPlayInWindowClick.a(SourceFile:10) ~[patched_1.16.5.jar:git-Paper-783]
        at net.minecraft.server.v1_16_R3.PlayerConnectionUtils.lambda$ensureMainThread$1(PlayerConnectionUtils.java:35) ~[patched_1.16.5.jar:git-Paper-783]
        at net.minecraft.server.v1_16_R3.TickTask.run(SourceFile:18) ~[patched_1.16.5.jar:git-Paper-783]
        at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.executeTask(IAsyncTaskHandler.java:136) ~[patched_1.16.5.jar:git-Paper-783]
        at net.minecraft.server.v1_16_R3.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) ~[patched_1.16.5.jar:git-Paper-783]
        at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.executeNext(IAsyncTaskHandler.java:109) ~[patched_1.16.5.jar:git-Paper-783]
        at net.minecraft.server.v1_16_R3.MinecraftServer.bb(MinecraftServer.java:1266) ~[patched_1.16.5.jar:git-Paper-783]
        at net.minecraft.server.v1_16_R3.MinecraftServer.executeNext(MinecraftServer.java:1259) ~[patched_1.16.5.jar:git-Paper-783]
        at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.awaitTasks(IAsyncTaskHandler.java:119) ~[patched_1.16.5.jar:git-Paper-783]
        at net.minecraft.server.v1_16_R3.MinecraftServer.sleepForTick(MinecraftServer.java:1220) ~[patched_1.16.5.jar:git-Paper-783]
        at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:1134) ~[patched_1.16.5.jar:git-Paper-783]
        at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$a$0(MinecraftServer.java:291) ~[patched_1.16.5.jar:git-Paper-783]
        at java.lang.Thread.run(Unknown Source) [?:?]

降级 ProtocolLib 或开服使用的 Java 版本

已经自行解决了，问题在于汉化包