服务器版本 1.12.2
配置文件
Settings:
  LogOffensesInSeparateFile: true
  InGameOffenseNotifications: true
  RemoveBooksNotMatchingCharset: true
  DisableBookWriting: false
  DestroyBadSignsOnChunkLoad: false
  PageCountThreshold: 99
  BookAuthorWhitelist: []
  AllowStack:
  - POTION
  RemovePistonIfHeadIsExploded: true
  PreventRailDupe: true
  PreventOverStackedItemInHoppers: true
  PreventRecipeDupe: true
  RemoveOverstackedItems: false
  PreventNestedShulkers: true
  BlockCMIShulkerStacking: true
  PreventHoppersToUnloadedChunks: true
  PreventCactusDupe: true
  PreventItemFramePistonDupe: false
  PreventZombieItemPickup: false
  PreventIndirectTNTPowerDupe: true
  PreventMinecartGlitch: true
  MinecartBlockWhiteList: []
  RemoveExistingGlitchedMinecarts: false
  BlockNonPlayersInNetherPortal: true
  BlockNonPlayersInEndPortal: true
  NotifyBlockedPortalAttempts: false
  NetherWhiteList: []
  EndWhiteList: []
  BlockVillagerTradeCheesing: true
  PreventVillagerSwimExploit: true
  SwimExploitMessage: That villager is too busy swimming to trade with you right now!
  KickForAutoClickerFishing: true
  FishingKickMessage: AFK Fishing is not allowed on this server!
  WatchForAutoFishMod: true
  ValidCharset: US-ASCII



玩家在告示牌打某些字会被踢出服务器
   踢出提示
detected a sign placed by bingmao that contained characters not in the allowed character set.  Possible dupe machine exploit! @Location{world=CraftWorld{name=sc},x=7667.0,y=69.0,z=7539.0,pitch=0.0,yaw=0.0}


可能是字符集问题~

ValidCharset: US-ASCII
改成
ValidCharset: UTF-8
试试