diff --git a/Fk/Pages/Room.qml b/Fk/Pages/Room.qml
index cde31e6b..2e88a42b 100644
--- a/Fk/Pages/Room.qml
+++ b/Fk/Pages/Room.qml
@@ -82,6 +82,87 @@ Item {
       ClientInstance.notifyServer("QuitRoom", "[]");
     }
   }
+
+  Menu {
+    id: menuContainer
+    x: parent.width - menuButton.width - menuContainer.width - 17
+    width: menuRow.width
+    height: menuRow.height
+    verticalPadding: 0
+    spacing: 7
+    z: 2
+
+    Row {
+      id: menuRow
+      spacing: 7
+
+      Button {
+        id: surrenderButton
+        text: Backend.translate("Surrender")
+        onClicked: {
+          if (isStarted) {
+            const surrenderCheck = JSON.parse(Backend.callLuaFunction('CheckSurrenderAvailable', [miscStatus.playedTime]));
+            if (!surrenderCheck.length) {
+              surrenderDialog.informativeText = Backend.translate('Surrender is disabled in this mode');
+            } else {
+              surrenderDialog.informativeText = surrenderCheck.map(str => `${Backend.translate(str.text)}（${str.passed ? '√' : '×'}）`).join('<br>');
+            }
+            surrenderDialog.open();
+          }
+        }
+      }
+
+      MessageDialog {
+        id: surrenderDialog
+        title: Backend.translate("Surrender")
+        informativeText: ''
+        buttons: MessageDialog.Ok | MessageDialog.Cancel
+        onButtonClicked: function (button, role) {
+          switch (button) {
+            case MessageDialog.Ok: {
+              const surrenderCheck = JSON.parse(Backend.callLuaFunction('CheckSurrenderAvailable', [miscStatus.playedTime]));
+              if (surrenderCheck.length && !surrenderCheck.find(check => !check.passed)) {
+                ClientInstance.notifyServer("PushRequest", [
+                  "surrender", true
+                ]);
+              }
+              break;
+            }
+            case MessageDialog.Cancel: {
+              surrenderDialog.close();
+            }
+          }
+        }
+      }
+
+      Button {
+        id: quitButton
+        text: Backend.translate("Quit")
+        onClicked: {
+          quitDialog.open();
+        }
+      }
+
+      MessageDialog {
+        id: quitDialog
+        title: Backend.translate("Quit")
+        informativeText: Backend.translate("Are you sure to quit?")
+        buttons: MessageDialog.Ok | MessageDialog.Cancel
+        onButtonClicked: function (button, role) {
+          switch (button) {
+            case MessageDialog.Ok: {
+              ClientInstance.notifyServer("QuitRoom", "[]");
+              break;
+            }
+            case MessageDialog.Cancel: {
+              quitDialog.close();
+            }
+          }
+        }
+      }
+    }
+  }
+
   Button {
     text: Backend.translate("Add Robot")
     visible: isOwner && !isStarted && !isFull
diff --git a/lua/client/i18n/zh_CN.lua b/lua/client/i18n/zh_CN.lua
index a34d3575..fe2354c4 100644
--- a/lua/client/i18n/zh_CN.lua
+++ b/lua/client/i18n/zh_CN.lua
@@ -215,6 +215,12 @@ FreeKill使用的是libgit2的C API，与此同时使用Git完成拓展包的下
   ["seat#8"] = "八号位",
   ["@ControledBy"] = "控制者",
 
+  ["Menu"] = "菜单",
+  ["Surrender"] = "投降",
+  ["Surrender is disabled in this mode"] = "投降在该模式不可用",
+  ["Quit"] = "退出",
+  ["Are you sure to quit?"] = "是否确认退出对局（若对局开始则将计入逃跑次数）？",
+
   ["Trust"] = "托管",
   ["Sort Cards"] = "牌序",
   ["Chat"] = "聊天",
diff --git a/lua/core/game_mode.lua b/lua/core/game_mode.lua
index 695848a2..a613f0ce 100644
--- a/lua/core/game_mode.lua
+++ b/lua/core/game_mode.lua
@@ -22,4 +22,41 @@ function GameMode:initialize(name, min, max)
   self.maxPlayer = math.min(max, 8)
 end
 
+---@param victim ServerPlayer @ 死者
+---@return string @ 胜者阵营
+function GameMode:getWinner(victim)
+  local room = victim.room
+  local winner = ""
+  local alive = table.filter(room.alive_players, function(p)
+    return not p.surrendered
+  end)
+
+  if victim.role == "lord" then
+    if #alive == 1 and alive[1].role == "renegade" then
+      winner = "renegade"
+    else
+      winner = "rebel"
+    end
+  elseif victim.role ~= "loyalist" then
+    local lord_win = true
+    for _, p in ipairs(alive) do
+      if p.role == "rebel" or p.role == "renegade" then
+        lord_win = false
+        break
+      end
+    end
+    if lord_win then
+      winner = "lord+loyalist"
+    end
+  end
+
+  return winner
+end
+
+---@param playedTime number @ 游戏时长（单位：秒）
+---@return table
+function GameMode:surrenderFunc(playedTime)
+  return {}
+end
+
 return GameMode
diff --git a/packages/standard/init.lua b/packages/standard/init.lua
index c57e97af..c02715af 100644
--- a/packages/standard/init.lua
+++ b/packages/standard/init.lua
@@ -1114,8 +1114,98 @@ local role_mode = fk.CreateGameMode{
   name = "aaa_role_mode", -- just to let it at the top of list
   minPlayer = 2,
   maxPlayer = 8,
+  surrender_func = function(self, playedTime)
+    local roleCheck = false
+    local roleText = ""
+    local roleTable = {
+      { "lord" },
+      { "lord", "rebel" },
+      { "lord", "rebel", "renegade" },
+      { "lord", "loyalist", "rebel", "renegade" },
+      { "lord", "loyalist", "rebel", "rebel", "renegade" },
+      { "lord", "loyalist", "rebel", "rebel", "rebel", "renegade" },
+      { "lord", "loyalist", "loyalist", "rebel", "rebel", "rebel", "renegade" },
+      { "lord", "loyalist", "loyalist", "rebel", "rebel", "rebel", "rebel", "renegade" },
+    }
+
+    roleTable = roleTable[#Fk:currentRoom().players]
+
+    if Self.role == "renegade" then
+      roleCheck = #Fk:currentRoom().alive_players == 2
+      roleText = "only you and me"
+    elseif Self.role == "rebel" then
+      local rebelNum = #table.filter(roleTable, function(role)
+        return role == "rebel"
+      end)
+
+      local renegadeDead = not table.find(roleTable, function(role)
+        return role == "renegade"
+      end)
+      for _, p in ipairs(Fk:currentRoom().players) do
+        if p.role == "renegade" and p.dead then
+          renegadeDead = true
+        end
+
+        if p ~= Self and p.role == "rebel" then
+          if p:isAlive() then
+            break
+          else
+            rebelNum = rebelNum - 1
+          end
+        end
+      end
+
+      roleCheck = renegadeDead and rebelNum == 1
+      roleText = "left one rebel alive"
+    else
+      if Self.role == "loyalist" then
+        return { { text = "loyalist never surrender", passed = false } }
+      else
+        if #Fk:currentRoom().alive_players == 2 then
+          roleCheck = true
+        else
+          local lordNum = #table.filter(roleTable, function(role)
+            return role == "lord" or role == "loyalist"
+          end)
+
+          local renegadeDead = not table.find(roleTable, function(role)
+            return role == "renegade"
+          end)
+          for _, p in ipairs(Fk:currentRoom().players) do
+            if p.role == "renegade" and p.dead then
+              renegadeDead = true
+            end
+
+            if p ~= Self and (p.role == "lord" or p.role == "loyalist") then
+              if p:isAlive() then
+                break
+              else
+                lordNum = lordNum - 1
+              end
+            end
+          end
+
+          roleCheck = renegadeDead and lordNum == 1
+        end
+      end
+
+      roleText = "left you alive"
+    end
+
+    return {
+      { text = "time limitation: 5 sec", passed = playedTime >= 5 },
+      { text = roleText, passed = roleCheck },
+    }
+  end,
 }
 extension:addGameMode(role_mode)
+Fk:loadTranslationTable{
+  ["time limitation: 5 sec"] = "游戏时长达到5秒（测试用）",
+  ["only you and me"] = "仅剩你和主公存活",
+  ["left one rebel alive"] = "反贼仅剩你存活且不存在存活内奸",
+  ["left you alive"] = "主忠方仅剩你存活且其他阵营仅剩一方",
+  ["loyalist never surrender"] = "忠臣永不投降！",
+}
 
 local anjiang = General(extension, "anjiang", "unknown", 5)
 anjiang.gender = General.Agender