diff --git a/lua/client/client.lua b/lua/client/client.lua
index 590130f31f9fd18c2d4e63b74ddc57d0faf5e5c8..444ab1605b6f0a9ec9b6acb150d532409766a60a 100644
--- a/lua/client/client.lua
+++ b/lua/client/client.lua
@@ -894,7 +894,7 @@ fk.client_callback["SetPlayerMark"] = function(data)
       local spec = Fk.qml_marks[mtype]
       if spec then
         local text = spec.how_to_show(mark, value, p)
-        if text == "#hidden" then return end
+        if text == "#hidden" then data[3] = 0 end
       end
     end
     ClientInstance:notifyUI("SetPlayerMark", data)
diff --git a/lua/core/engine.lua b/lua/core/engine.lua
index e6356a37677212a1dc0ab8608f0dc3b8b64895d1..8038246c064257c6ab77f31655dca230b6a760ed 100644
--- a/lua/core/engine.lua
+++ b/lua/core/engine.lua
@@ -29,6 +29,7 @@
 ---@field public printed_cards table<integer, Card> @ 被某些房间现场打印的卡牌，id都是负数且从-2开始
 ---@field private kingdoms string[] @ 总势力
 ---@field private kingdom_map table<string, string[]> @ 势力映射表
+---@field private damage_nature table<any, table> @ 伤害映射表
 ---@field private _custom_events any[] @ 自定义事件列表
 ---@field public poxi_methods table<string, PoxiSpec> @ “魄袭”框操作方法表
 ---@field public qml_marks table<string, QmlMarkSpec> @ 自定义Qml标记的表
@@ -69,6 +70,7 @@ function Engine:initialize()
   self.game_mode_disabled = {}
   self.kingdoms = {}
   self.kingdom_map = {}
+  self.damage_nature = { [fk.NormalDamage] = { "normal_damage", false } }
   self._custom_events = {}
   self.poxi_methods = {}
   self.qml_marks = {}
@@ -367,8 +369,12 @@ end
 --- 为所有武将加载主公技和主公判定
 function Engine:setLords()
   for _, general in pairs(self.generals) do
-    if table.find(general.skills, function(s) return s.lordSkill end) then
-      table.insert(self.lords, general.name)
+    local other_skills = table.map(general.other_skills, Util.Name2SkillMapper)
+    local skills = table.connect(general.skills, other_skills)
+    for _, skill in ipairs(skills) do
+      if skill.lordSkill then
+        table.insert(self.lords, general.name)
+      end
     end
   end
 end
@@ -397,6 +403,50 @@ function Engine:getKingdomMap(kingdom)
   return ret
 end
 
+--- 注册一个伤害
+---@param nature string | number @ 伤害ID
+---@param name string @ 属性伤害名
+---@param can_chain bool @ 是否可传导
+function Engine:addDamageNature(nature, name, can_chain)
+  assert(table.contains({ "string", "number" }, type(nature)), "Must use string or number as nature!")
+  assert(type(name) == "string", "Must use string as this damage nature's name!")
+  if can_chain == nil then can_chain = true end
+  self.damage_nature[nature] = { name, can_chain }
+end
+
+--- 返回伤害列表
+---@return table @ 具体信息（伤害ID => {伤害名，是否可传导}）
+function Engine:getDamageNatures()
+  local ret = {}
+  for k, v in pairs(self.damage_nature) do
+    ret[k] = v
+  end
+  return ret
+end
+
+--- 由伤害ID获得伤害属性
+---@param nature string | number @ 伤害ID
+---@return table @ 具体信息（{伤害名，是否可传导}），若不存在则为空
+function Engine:getDamageNature(nature)
+  return self.damage_nature[nature]
+end
+
+--- 由伤害ID获得伤害名
+---@param nature string | number @ 伤害ID
+---@return string @ 伤害名
+function Engine:getDamageNatureName(nature)
+  local ret = self:getDamageNature(nature)
+  return ret and ret[1] or ""
+end
+
+--- 判断一种伤害是否可传导
+---@param nature string | number @ 伤害ID
+---@return bool
+function Engine:canChain(nature)
+  local ret = self:getDamageNature(nature)
+  return ret and ret[2]
+end
+
 --- 判断一个武将是否在本房间可用。
 ---@param g string @ 武将名
 function Engine:canUseGeneral(g)
diff --git a/lua/server/events/hp.lua b/lua/server/events/hp.lua
index 15523009fbdd92df4dedfc1932904c598e5d802e..86fde2ba0f852dab0c70099b1c11b78da3910fb9 100644
--- a/lua/server/events/hp.lua
+++ b/lua/server/events/hp.lua
@@ -1,32 +1,33 @@
 -- SPDX-License-Identifier: GPL-3.0-or-later
 
-local damage_nature_table = {
-  [fk.NormalDamage] = "normal_damage",
-  [fk.FireDamage] = "fire_damage",
-  [fk.ThunderDamage] = "thunder_damage",
-  [fk.IceDamage] = "ice_damage",
-}
+-- local damage_nature_table = {
+--   [fk.NormalDamage] = "normal_damage",
+--   [fk.FireDamage] = "fire_damage",
+--   [fk.ThunderDamage] = "thunder_damage",
+--   [fk.IceDamage] = "ice_damage",
+-- }
 
 local function sendDamageLog(room, damageStruct)
+  local damageName = Fk:getDamageNatureName(damageStruct.damageType)
   if damageStruct.from then
     room:sendLog{
       type = "#Damage",
       to = {damageStruct.from.id},
       from = damageStruct.to.id,
       arg = damageStruct.damage,
-      arg2 = damage_nature_table[damageStruct.damageType],
+      arg2 = damageName,
     }
   else
     room:sendLog{
       type = "#DamageWithNoFrom",
       from = damageStruct.to.id,
       arg = damageStruct.damage,
-      arg2 = damage_nature_table[damageStruct.damageType],
+      arg2 = damageName,
     }
   end
   room:sendLogEvent("Damage", {
     to = damageStruct.to.id,
-    damageType = damage_nature_table[damageStruct.damageType],
+    damageType = damageName,
     damageNum = damageStruct.damage,
   })
 end
@@ -51,6 +52,17 @@ function ChangeHp:main()
   }
 
   if reason == "damage" then
+    if damageStruct then
+      if Fk:canChain(damageStruct.damageType) and damageStruct.to.chained then
+        damageStruct.to:setChainState(false)
+        if not damageStruct.chain then
+          damageStruct.beginnerOfTheDamage = true
+          damageStruct.chain_table = table.filter(room:getOtherPlayers(damageStruct.to), function(p)
+            return p.chained
+          end)
+        end
+      end
+    end
     data.shield_lost = math.min(-num, player.shield)
     data.num = num + data.shield_lost
   end
@@ -178,11 +190,6 @@ function Damage:main()
     end
   end
 
-  if damageStruct.damageType ~= fk.NormalDamage and damageStruct.to.chained then
-    if not damageStruct.chain then damageStruct.beginnerOfTheDamage = true end
-    damageStruct.to:setChainState(false)
-  end
-
   if not room:changeHp(
     damageStruct.to,
     -damageStruct.damage,
@@ -213,9 +220,9 @@ function Damage:exit()
 
   logic:trigger(fk.DamageFinished, damageStruct.to, damageStruct)
 
-  if damageStruct.beginnerOfTheDamage and not damageStruct.chain then
-    local targets = table.filter(room:getOtherPlayers(damageStruct.to), function(p)
-      return p.chained
+  if damageStruct.chain_table and #damageStruct.chain_table > 0 then
+    local targets = table.filter(damageStruct.chain_table, function(p)
+      return p:isAlive()
     end)
     for _, p in ipairs(targets) do
       room:sendLog{
diff --git a/lua/server/system_enum.lua b/lua/server/system_enum.lua
index 797439096314a741b5da47da63234ae940beb895..cb9d3bc3d44ba90d73590e4e3818a91aaf499e1a 100644
--- a/lua/server/system_enum.lua
+++ b/lua/server/system_enum.lua
@@ -82,6 +82,7 @@ fk.IceDamage = 4
 ---@field public skillName? string @ 造成本次伤害的技能名
 ---@field public beginnerOfTheDamage? boolean @ 是否是本次铁索传导的起点
 ---@field public by_user? boolean @ 是否由卡牌直接生效造成的伤害
+---@field public chain_table? ServerPlayer[] @ 铁索连环表
 
 --- RecoverStruct 描述和回复体力有关的数据。
 ---@class RecoverStruct
diff --git a/maneuvering/init.lua b/maneuvering/init.lua
index 0bcce498ab52242d610ea36b5c032af399623663..1c393041487bb092b6be2d7c5e9fa0ad6723537a 100644
--- a/maneuvering/init.lua
+++ b/maneuvering/init.lua
@@ -4,6 +4,9 @@ local extension = Package:new("maneuvering", Package.CardPack)
 
 local slash = Fk:cloneCard("slash")
 
+Fk:addDamageNature(fk.FireDamage, "fire_damage")
+Fk:addDamageNature(fk.ThunderDamage, "thunder_damage")
+
 local thunderSlashSkill = fk.CreateActiveSkill{
   name = "thunder__slash_skill",
   prompt = function(self, selected_cards)
diff --git a/standard_cards/init.lua b/standard_cards/init.lua
index 72f6a8f408d74241f7b55bab53ae103b6966c380..19b226151c05410c6c45490818905d471a34e1f9 100644
--- a/standard_cards/init.lua
+++ b/standard_cards/init.lua
@@ -705,7 +705,8 @@ local lightningSkill = fk.CreateActiveSkill{
         to = to,
         damage = 3,
         card = effect.card,
-        damageType = fk.ThunderDamage,
+        -- damageType = fk.ThunderDamage,
+        damageType = Fk:getDamageNature(fk.ThunderDamage) and fk.ThunderDamage or fk.NormalDamage,
         skillName = self.name,
       }