diff --git a/lua/server/gamelogic.lua b/lua/server/gamelogic.lua
index 8f58b48e..6c923f74 100644
--- a/lua/server/gamelogic.lua
+++ b/lua/server/gamelogic.lua
@@ -135,7 +135,7 @@ function GameLogic:prepareForStart()
   end
 
   for _, p in ipairs(room.alive_players) do
-    room:handleAddLoseSkills(p, "zhiheng|mashu", nil, false)
+    room:handleAddLoseSkills(p, "zhiheng|mashu|fankui", nil, false)
   end
 
   self:addTriggerSkill(GameRule)
diff --git a/lua/server/room.lua b/lua/server/room.lua
index 57a1f103..bb649f9c 100644
--- a/lua/server/room.lua
+++ b/lua/server/room.lua
@@ -1475,12 +1475,13 @@ function Room:damage(damageStruct)
   assert(type(damageStruct.to) == "number")
 
   local stages = {
-    [fk.PreDamage] = damageStruct.from,
-    [fk.DamageCaused] = damageStruct.from,
-    [fk.DamageInflicted] = damageStruct.to,
+    {fk.PreDamage, damageStruct.from},
+    {fk.DamageCaused, damageStruct.from},
+    {fk.DamageInflicted, damageStruct.to},
   }
 
-  for event, playerId in ipairs(stages) do
+  for _, struct in ipairs(stages) do
+    local event, playerId = table.unpack(struct)
     local player = playerId and self:getPlayerById(playerId) or nil
     if self.logic:trigger(event, player, damageStruct) or damageStruct.damage < 1 then
       return false
@@ -1500,12 +1501,13 @@ function Room:damage(damageStruct)
   end
 
   stages = {
-    [fk.Damage] = damageStruct.from,
-    [fk.Damaged] = damageStruct.to,
-    [fk.DamageFinished] = damageStruct.from,
+    {fk.Damage, damageStruct.from},
+    {fk.Damaged, damageStruct.to},
+    {fk.DamageFinished, damageStruct.from},
   }
 
-  for event, playerId in ipairs(stages) do
+  for _, struct in ipairs(stages) do
+    local event, playerId = table.unpack(struct)
     local player = playerId and self:getPlayerById(playerId) or nil
     self.logic:trigger(event, player, damageStruct)
   end
diff --git a/packages/standard/init.lua b/packages/standard/init.lua
index 660aba96..11a30afb 100644
--- a/packages/standard/init.lua
+++ b/packages/standard/init.lua
@@ -16,9 +16,32 @@ Fk:loadTranslationTable{
   ["caocao"] = "曹操",
 }
 
+local fankui = fk.CreateTriggerSkill{
+  name = "fankui",
+  events = {fk.Damaged},
+  frequency = Skill.NotFrequent,
+  can_trigger = function(self, event, target, player, data)
+    local room = target.room
+    local from = room:getPlayerById(data.from)
+    return from ~= nil and
+      target == player and
+      target:hasSkill(self.name)
+  end,
+  on_trigger = function(self, event, target, player, data)
+    local room = player.room
+    local from = room:getPlayerById(data.from)
+    if (not from) or from:isNude() then return false end
+    if room:askForSkillInvoke(player, self.name) then
+      local card = room:askForCardChosen(player, from, "he", self.name)
+      room:obtainCard(player.id, card, false, fk.ReasonPrey)
+    end
+  end
+}
 local simayi = General:new(extension, "simayi", "wei", 3)
+simayi:addSkill(fankui)
 Fk:loadTranslationTable{
   ["simayi"] = "司马懿",
+  ["fankui"] = "反馈",
 }
 
 local xiahoudun = General:new(extension, "xiahoudun", "wei", 4)
diff --git a/qml/Pages/RoomLogic.js b/qml/Pages/RoomLogic.js
index 46a3c336..a1c8f3e4 100644
--- a/qml/Pages/RoomLogic.js
+++ b/qml/Pages/RoomLogic.js
@@ -172,8 +172,8 @@ function moveCards(moves) {
 function setEmotion(id, emotion) {
   let path;
   if (OS === "Win") {
-    // Windows: file:/C:/xxx/xxxx
-    path = (SkinBank.PIXANIM_DIR + emotion).replace("file:/", "");
+    // Windows: file:///C:/xxx/xxxx
+    path = (SkinBank.PIXANIM_DIR + emotion).replace("file:///", "");
   } else {
     path = (SkinBank.PIXANIM_DIR + emotion).replace("file://", "");
   }
diff --git a/src/ui/qmlbackend.cpp b/src/ui/qmlbackend.cpp
index 0f127846..2ba194b6 100644
--- a/src/ui/qmlbackend.cpp
+++ b/src/ui/qmlbackend.cpp
@@ -89,7 +89,12 @@ void QmlBackend::cd(const QString &path) {
 }
 
 QStringList QmlBackend::ls(const QString &dir) {
-  return QDir(QUrl(dir).path()).entryList(QDir::Files | QDir::Dirs | QDir::NoDotAndDotDot);
+  QString d = dir;
+#ifdef Q_OS_WIN
+  if (d.startsWith("file:///"))
+    d.replace(0, 8, "file://");
+#endif
+  return QDir(QUrl(d).path()).entryList(QDir::Files | QDir::Dirs | QDir::NoDotAndDotDot);
 }
 
 QString QmlBackend::pwd() {