diff --git a/Fk/Logic.js b/Fk/Logic.js
index 5e2ad89d..4fef708c 100644
--- a/Fk/Logic.js
+++ b/Fk/Logic.js
@@ -143,14 +143,12 @@ callbacks["UpdateRoomList"] = (jsonData) => {
   const current = mainStack.currentItem;  // should be lobby
   if (mainStack.depth === 2) {
     current.roomModel.clear();
-    JSON.parse(jsonData).forEach(function (room) {
+    JSON.parse(jsonData).forEach(room => {
+      const [roomId, roomName, gameMode, playerNum, capacity, hasPassword,
+        outdated] = room;
       current.roomModel.append({
-        roomId: room[0],
-        roomName: room[1],
-        gameMode: room[2],
-        playerNum: room[3],
-        capacity: room[4],
-        hasPassword: room[5] ? true : false,
+        roomId, roomName, gameMode, playerNum, capacity,
+        hasPassword, outdated,
       });
     });
   }
diff --git a/Fk/Pages/Lobby.qml b/Fk/Pages/Lobby.qml
index 8da9162c..9c5e071a 100644
--- a/Fk/Pages/Lobby.qml
+++ b/Fk/Pages/Lobby.qml
@@ -64,7 +64,13 @@ Item {
         Text {
           horizontalAlignment: Text.AlignLeft
           Layout.fillWidth: true
-          text: roomName
+          text: {
+            let ret = roomName;
+            if (outdated) {
+              ret = '<font color="grey"><del>' + ret + '</del></font>';
+            }
+            return ret;
+          }
           font.pixelSize: 20
           elide: Label.ElideRight
         }
@@ -94,7 +100,7 @@ Item {
           text: (playerNum < capacity) ? luatr("Enter") :
           luatr("Observe")
 
-          enabled: !opTimer.running
+          enabled: !opTimer.running && !outdated
 
           onClicked: {
             opTimer.start();
diff --git a/lang/zh_CN.ts b/lang/zh_CN.ts
index 371eae03..f7c58d6d 100644
--- a/lang/zh_CN.ts
+++ b/lang/zh_CN.ts
@@ -318,6 +318,10 @@
     <source>room password error</source>
     <translation>房间密码错误</translation>
   </message>
+  <message>
+    <source>room is outdated</source>
+    <translation>房间已过时</translation>
+  </message>
   <message>
     <source>no such room</source>
     <translation>房间不存在</translation>
diff --git a/lua/client/i18n/zh_CN.lua b/lua/client/i18n/zh_CN.lua
index b7083b45..c0315d17 100644
--- a/lua/client/i18n/zh_CN.lua
+++ b/lua/client/i18n/zh_CN.lua
@@ -495,6 +495,7 @@ Fk:loadTranslationTable{
   ["#ChainStateChange"] = "%from %arg 了武将牌",
   ["#ChainDamage"] = "%from 处于连环状态，将受到传导的伤害",
   ["#ChangeKingdom"] = "%from 的国籍从 %arg 变成了 %arg2",
+  ["#RoomOutdated"] = "服务器更新完毕！该房间已过期，将无法再次游玩",
 }
 
 -- card footnote
diff --git a/lua/server/request.lua b/lua/server/request.lua
index 1b9ff419..66604a3b 100644
--- a/lua/server/request.lua
+++ b/lua/server/request.lua
@@ -181,7 +181,7 @@ request_handlers["newroom"] = function(s, id)
   s:registerRoom(id)
 end
 
-request_handlers["reloadpackage"] = function(room, id, reqlist)
+request_handlers["reloadpackage"] = function(_, _, reqlist)
   if not IsConsoleStart() then return end
   local path = reqlist[3]
   Fk:reloadPackage(path)
diff --git a/lua/server/scheduler.lua b/lua/server/scheduler.lua
index e1bf22d3..3df69ece 100644
--- a/lua/server/scheduler.lua
+++ b/lua/server/scheduler.lua
@@ -22,6 +22,8 @@ end)
 
 -- 仿照Room接口编写的request协程处理器
 local requestRoom = setmetatable({
+  id = -1,
+  runningRooms = runningRooms,
 
   -- minDelayTime 是当没有任何就绪房间时，可以睡眠的时间。
   -- 因为这个时间是所有房间预期就绪用时的最小值，故称为minDelayTime。
@@ -130,6 +132,14 @@ local function mainLoop()
 
           -- 调用RoomThread的trySleep函数开始真正的睡眠。会被wakeUp(c++)唤醒。
           requestRoom.thread:trySleep(time)
+          local runningRoomsCount = -1 -- 必有requestRoom，从-1开始算
+          for _ in pairs(runningRooms) do
+            runningRoomsCount = runningRoomsCount + 1
+            if runningRoomsCount > 0 then break end
+          end
+          if runningRoomsCount == 0 and requestRoom.thread:isOutdated() then
+            break
+          end
 
           -- verbose('[!] Waked up after %f ms...', (os.getms() - cur) / 1000)
 
diff --git a/src/network/router.cpp b/src/network/router.cpp
index 4de18c85..b0e6b412 100644
--- a/src/network/router.cpp
+++ b/src/network/router.cpp
@@ -153,107 +153,6 @@ void Router::abortRequest() {
 }
 
 void Router::handlePacket(const QByteArray &rawPacket) {
-#ifndef FK_CLIENT_ONLY
-  static QMap<QString, void (*)(ServerPlayer *, const QString &)> lobby_actions;
-  if (lobby_actions.size() <= 0) {
-    lobby_actions["UpdateAvatar"] = [](ServerPlayer *sender,
-                                       const QString &jsonData) {
-      auto arr = String2Json(jsonData).array();
-      auto avatar = arr[0].toString();
-
-      if (CheckSqlString(avatar)) {
-        auto sql = QString("UPDATE userinfo SET avatar='%1' WHERE id=%2;")
-                       .arg(avatar)
-                       .arg(sender->getId());
-        ExecSQL(ServerInstance->getDatabase(), sql);
-        sender->setAvatar(avatar);
-        sender->doNotify("UpdateAvatar", avatar);
-      }
-    };
-    lobby_actions["UpdatePassword"] = [](ServerPlayer *sender,
-                                         const QString &jsonData) {
-      auto arr = String2Json(jsonData).array();
-      auto oldpw = arr[0].toString();
-      auto newpw = arr[1].toString();
-      auto sql_find =
-          QString("SELECT password, salt FROM userinfo WHERE id=%1;")
-              .arg(sender->getId());
-
-      auto passed = false;
-      auto arr2 = SelectFromDatabase(ServerInstance->getDatabase(), sql_find);
-      auto result = arr2[0].toObject();
-      passed = (result["password"].toString() ==
-                QCryptographicHash::hash(
-                    oldpw.append(result["salt"].toString()).toLatin1(),
-                    QCryptographicHash::Sha256)
-                    .toHex());
-      if (passed) {
-        auto sql_update =
-            QString("UPDATE userinfo SET password='%1' WHERE id=%2;")
-                .arg(QCryptographicHash::hash(
-                         newpw.append(result["salt"].toString()).toLatin1(),
-                         QCryptographicHash::Sha256)
-                         .toHex())
-                .arg(sender->getId());
-        ExecSQL(ServerInstance->getDatabase(), sql_update);
-      }
-
-      sender->doNotify("UpdatePassword", passed ? "1" : "0");
-    };
-    lobby_actions["CreateRoom"] = [](ServerPlayer *sender,
-                                     const QString &jsonData) {
-      auto arr = String2Json(jsonData).array();
-      auto name = arr[0].toString();
-      auto capacity = arr[1].toInt();
-      auto timeout = arr[2].toInt();
-      auto settings =
-          QJsonDocument(arr[3].toObject()).toJson(QJsonDocument::Compact);
-      ServerInstance->createRoom(sender, name, capacity, timeout, settings);
-    };
-    lobby_actions["EnterRoom"] = [](ServerPlayer *sender,
-                                    const QString &jsonData) {
-      auto arr = String2Json(jsonData).array();
-      auto roomId = arr[0].toInt();
-      auto room = ServerInstance->findRoom(roomId);
-      if (room) {
-        auto settings = QJsonDocument::fromJson(room->getSettings());
-        auto password = settings["password"].toString();
-        if (password.isEmpty() || arr[1].toString() == password) {
-          room->addPlayer(sender);
-        } else {
-          sender->doNotify("ErrorMsg", "room password error");
-        }
-      } else {
-        sender->doNotify("ErrorMsg", "no such room");
-      }
-    };
-    lobby_actions["ObserveRoom"] = [](ServerPlayer *sender,
-                                      const QString &jsonData) {
-      auto arr = String2Json(jsonData).array();
-      auto roomId = arr[0].toInt();
-      auto room = ServerInstance->findRoom(roomId);
-      if (room) {
-        auto settings = QJsonDocument::fromJson(room->getSettings());
-        auto password = settings["password"].toString();
-        if (password.isEmpty() || arr[1].toString() == password) {
-          room->addObserver(sender);
-        } else {
-          sender->doNotify("ErrorMsg", "room password error");
-        }
-      } else {
-        sender->doNotify("ErrorMsg", "no such room");
-      }
-    };
-    lobby_actions["Chat"] = [](ServerPlayer *sender, const QString &jsonData) {
-      sender->getRoom()->chat(sender, jsonData);
-    };
-    lobby_actions["RefreshRoomList"] = [](ServerPlayer *sender,
-                                    const QString &jsonData) {
-      ServerInstance->updateRoomList(sender);
-    };
-  }
-#endif
-
   QJsonDocument packet = QJsonDocument::fromJson(rawPacket);
   if (packet.isNull() || !packet.isArray())
     return;
@@ -278,35 +177,7 @@ void Router::handlePacket(const QByteArray &rawPacket) {
       }
 
       Room *room = player->getRoom();
-      if (room->isLobby() && lobby_actions.contains(command))
-        lobby_actions[command](player, jsonData);
-      else {
-        if (command == "QuitRoom") {
-          room->removePlayer(player);
-        } else if (command == "AddRobot") {
-          if (ServerInstance->getConfig("enableBots").toBool()) room->addRobot(player);
-        } else if (command == "KickPlayer") {
-          int i = jsonData.toInt();
-          auto p = room->findPlayer(i);
-          if (p && !room->isStarted()) {
-            room->removePlayer(p);
-            room->addRejectId(i);
-            QTimer::singleShot(30000, this, [=]() {
-                room->removeRejectId(i);
-                });
-          }
-        } else if (command == "Ready") {
-          player->setReady(!player->isReady());
-          room->doBroadcastNotify(room->getPlayers(), "ReadyChanged",
-              QString("[%1,%2]").arg(player->getId()).arg(player->isReady()));
-        } else if (command == "StartGame") {
-          room->manuallyStart();
-        } else if (command == "Chat") {
-          room->chat(player, jsonData);
-        } else if (command == "PushRequest") {
-          room->pushRequest(QString("%1,").arg(player->getId()) + jsonData);
-        }
-      }
+      room->handlePacket(player, command, jsonData);
     }
 #endif
   } else if (type & TYPE_REQUEST) {
diff --git a/src/server/room.cpp b/src/server/room.cpp
index 1a811c14..9a27d8f3 100644
--- a/src/server/room.cpp
+++ b/src/server/room.cpp
@@ -22,7 +22,7 @@ Room::Room(RoomThread *m_thread) {
   id = server->nextRoomId;
   server->nextRoomId++;
   this->server = server;
-  this->m_thread = m_thread;
+  setThread(m_thread);
   if (m_thread) { // In case of lobby
     m_thread->addRoom(this);
   }
@@ -60,7 +60,12 @@ Server *Room::getServer() const { return server; }
 
 RoomThread *Room::getThread() const { return m_thread; }
 
-void Room::setThread(RoomThread *t) { m_thread = t; }
+void Room::setThread(RoomThread *t) {
+  m_thread = t;
+  if (t != nullptr) {
+    md5 = t->getMd5();
+  }
+}
 
 int Room::getId() const { return id; }
 
@@ -366,6 +371,12 @@ int Room::getTimeout() const { return timeout; }
 
 void Room::setTimeout(int timeout) { this->timeout = timeout; }
 
+bool Room::isOutdated() {
+  bool ret = md5 != server->getMd5();
+  if (ret) md5 = "";
+  return ret;
+}
+
 bool Room::isStarted() const { return gameStarted; }
 
 void Room::doBroadcastNotify(const QList<ServerPlayer *> targets,
@@ -616,3 +627,186 @@ void Room::addRejectId(int id) {
 void Room::removeRejectId(int id) {
   rejected_players.removeOne(id);
 }
+
+// ------------------------------------------------
+static void updateAvatar(ServerPlayer *sender, const QString &jsonData) {
+  auto arr = String2Json(jsonData).array();
+  auto avatar = arr[0].toString();
+
+  if (CheckSqlString(avatar)) {
+    auto sql = QString("UPDATE userinfo SET avatar='%1' WHERE id=%2;")
+      .arg(avatar)
+      .arg(sender->getId());
+    ExecSQL(ServerInstance->getDatabase(), sql);
+    sender->setAvatar(avatar);
+    sender->doNotify("UpdateAvatar", avatar);
+  }
+}
+
+static void updatePassword(ServerPlayer *sender, const QString &jsonData) {
+  auto arr = String2Json(jsonData).array();
+  auto oldpw = arr[0].toString();
+  auto newpw = arr[1].toString();
+  auto sql_find =
+    QString("SELECT password, salt FROM userinfo WHERE id=%1;")
+    .arg(sender->getId());
+
+  auto passed = false;
+  auto arr2 = SelectFromDatabase(ServerInstance->getDatabase(), sql_find);
+  auto result = arr2[0].toObject();
+  passed = (result["password"].toString() ==
+      QCryptographicHash::hash(
+        oldpw.append(result["salt"].toString()).toLatin1(),
+        QCryptographicHash::Sha256)
+      .toHex());
+  if (passed) {
+    auto sql_update =
+      QString("UPDATE userinfo SET password='%1' WHERE id=%2;")
+      .arg(QCryptographicHash::hash(
+            newpw.append(result["salt"].toString()).toLatin1(),
+            QCryptographicHash::Sha256)
+          .toHex())
+      .arg(sender->getId());
+    ExecSQL(ServerInstance->getDatabase(), sql_update);
+  }
+
+  sender->doNotify("UpdatePassword", passed ? "1" : "0");
+}
+
+static void createRoom(ServerPlayer *sender, const QString &jsonData) {
+  auto arr = String2Json(jsonData).array();
+  auto name = arr[0].toString();
+  auto capacity = arr[1].toInt();
+  auto timeout = arr[2].toInt();
+  auto settings =
+    QJsonDocument(arr[3].toObject()).toJson(QJsonDocument::Compact);
+  ServerInstance->createRoom(sender, name, capacity, timeout, settings);
+}
+
+static void enterRoom(ServerPlayer *sender, const QString &jsonData) {
+  auto arr = String2Json(jsonData).array();
+  auto roomId = arr[0].toInt();
+  auto room = ServerInstance->findRoom(roomId);
+  if (room) {
+    auto settings = QJsonDocument::fromJson(room->getSettings());
+    auto password = settings["password"].toString();
+    if (password.isEmpty() || arr[1].toString() == password) {
+      if (room->isOutdated()) {
+        sender->doNotify("ErrorMsg", "room is outdated");
+      } else {
+        room->addPlayer(sender);
+      }
+    } else {
+      sender->doNotify("ErrorMsg", "room password error");
+    }
+  } else {
+    sender->doNotify("ErrorMsg", "no such room");
+  }
+}
+
+static void observeRoom(ServerPlayer *sender, const QString &jsonData) {
+  auto arr = String2Json(jsonData).array();
+  auto roomId = arr[0].toInt();
+  auto room = ServerInstance->findRoom(roomId);
+  if (room) {
+    auto settings = QJsonDocument::fromJson(room->getSettings());
+    auto password = settings["password"].toString();
+    if (password.isEmpty() || arr[1].toString() == password) {
+      if (room->isOutdated()) {
+        sender->doNotify("ErrorMsg", "room is outdated");
+      } else {
+        room->addObserver(sender);
+      }
+    } else {
+      sender->doNotify("ErrorMsg", "room password error");
+    }
+  } else {
+    sender->doNotify("ErrorMsg", "no such room");
+  }
+}
+
+static void refreshRoomList(ServerPlayer *sender, const QString &) {
+  ServerInstance->updateRoomList(sender);
+};
+
+static void quitRoom(ServerPlayer *player, const QString &) {
+  auto room = player->getRoom();
+  room->removePlayer(player);
+  if (room->isOutdated()) {
+    player->kicked();
+  }
+}
+
+static void addRobot(ServerPlayer *player, const QString &) {
+  auto room = player->getRoom();
+  if (ServerInstance->getConfig("enableBots").toBool())
+    room->addRobot(player);
+}
+
+static void kickPlayer(ServerPlayer *player, const QString &jsonData) {
+  auto room = player->getRoom();
+  int i = jsonData.toInt();
+  auto p = room->findPlayer(i);
+  if (p && !room->isStarted()) {
+    room->removePlayer(p);
+    room->addRejectId(i);
+    QTimer::singleShot(30000, room, [=]() {
+        room->removeRejectId(i);
+        });
+  }
+}
+
+static void ready(ServerPlayer *player, const QString &) {
+  auto room = player->getRoom();
+  player->setReady(!player->isReady());
+  room->doBroadcastNotify(room->getPlayers(), "ReadyChanged",
+      QString("[%1,%2]").arg(player->getId()).arg(player->isReady()));
+}
+
+static void startGame(ServerPlayer *player, const QString &) {
+  auto room = player->getRoom();
+  if (room->isOutdated()) {
+    foreach (auto p, room->getPlayers()) {
+      p->doNotify("ErrorMsg", "room is outdated");
+      p->kicked();
+    }
+  } else {
+    room->manuallyStart();
+  }
+}
+
+typedef void (*room_cb)(ServerPlayer *, const QString &);
+static const QMap<QString, room_cb> lobby_actions = {
+  {"UpdateAvatar", updateAvatar},
+  {"UpdatePassword", updatePassword},
+  {"CreateRoom", createRoom},
+  {"EnterRoom", enterRoom},
+  {"ObserveRoom", observeRoom},
+  {"RefreshRoomList", refreshRoomList},
+};
+
+static const QMap<QString, room_cb> room_actions = {
+  {"QuitRoom", quitRoom},
+  {"AddRobot", addRobot},
+  {"KickPlayer", kickPlayer},
+  {"Ready", ready},
+  {"StartGame", startGame},
+};
+
+void Room::handlePacket(ServerPlayer *sender, const QString &command,
+                        const QString &jsonData) {
+  if (command == "Chat") {
+    chat(sender, jsonData);
+    return;
+  } else if (command == "PushRequest") {
+    if (!isLobby())
+      pushRequest(QString("%1,").arg(sender->getId()) + jsonData);
+  }
+
+  auto func_table = lobby_actions;
+  if (!isLobby()) func_table = room_actions;
+  auto func = func_table[command];
+  if (func) {
+    func(sender, jsonData);
+  }
+}
diff --git a/src/server/room.h b/src/server/room.h
index 2cf9a13a..221be5b8 100644
--- a/src/server/room.h
+++ b/src/server/room.h
@@ -50,6 +50,8 @@ class Room : public QObject {
   int getTimeout() const;
   void setTimeout(int timeout);
 
+  bool isOutdated();
+
   bool isStarted() const;
   // ====================================}
 
@@ -65,6 +67,10 @@ class Room : public QObject {
 
   void addRejectId(int id);
   void removeRejectId(int id);
+
+  // router用
+  void handlePacket(ServerPlayer *sender, const QString &command,
+                    const QString &jsonData);
  signals:
   void abandoned();
 
@@ -90,6 +96,7 @@ class Room : public QObject {
   bool m_ready;
 
   int timeout;
+  QString md5;
 
   void addRunRate(int id, const QString &mode);
   void updatePlayerGameData(int id, const QString &mode);
diff --git a/src/server/roomthread.cpp b/src/server/roomthread.cpp
index 104d592c..91206caf 100644
--- a/src/server/roomthread.cpp
+++ b/src/server/roomthread.cpp
@@ -3,6 +3,7 @@
 #include "roomthread.h"
 #include "server.h"
 #include "util.h"
+#include <lua.h>
 
 #ifndef FK_SERVER_ONLY
 #include "client.h"
@@ -13,6 +14,7 @@ RoomThread::RoomThread(Server *m_server) {
   this->m_server = m_server;
   m_capacity = 100; // TODO: server cfg
   terminated = false;
+  md5 = m_server->getMd5();
 
   L = CreateLuaState();
   DoLuaScript(L, "lua/freekill.lua");
@@ -26,6 +28,7 @@ RoomThread::~RoomThread() {
     wait();
   }
   lua_close(L);
+  m_server->removeThread(this);
   // foreach (auto room, room_list) {
   //   room->deleteLater();
   // }
@@ -40,6 +43,8 @@ bool RoomThread::isFull() const {
   return m_capacity <= 0;
 }
 
+QString RoomThread::getMd5() const { return md5; }
+
 Room *RoomThread::getRoom(int id) const {
   return m_server->findRoom(id);
 }
@@ -52,6 +57,10 @@ void RoomThread::addRoom(Room *room) {
 void RoomThread::removeRoom(Room *room) {
   room->setThread(nullptr);
   m_capacity++;
+  if (m_capacity == 100 // TODO: server cfg
+      && isOutdated()) {
+    deleteLater();
+  }
 }
 
 QString RoomThread::fetchRequest() {
@@ -118,3 +127,13 @@ bool RoomThread::isConsoleStart() const {
   return false;
 #endif
 }
+
+bool RoomThread::isOutdated() {
+  bool ret = md5 != m_server->getMd5();
+  if (ret) {
+    // 让以后每次都outdate
+    // 不然反复disable/enable的情况下会出乱子
+    md5 = "";
+  }
+  return ret;
+}
diff --git a/src/server/roomthread.h b/src/server/roomthread.h
index 15cd1964..25d0afe3 100644
--- a/src/server/roomthread.h
+++ b/src/server/roomthread.h
@@ -16,6 +16,7 @@ class RoomThread : public QThread {
   Server *getServer() const;
   bool isFull() const;
 
+  QString getMd5() const;
   Room *getRoom(int id) const;
   void addRoom(Room *room);
   void removeRoom(Room *room);
@@ -32,6 +33,9 @@ class RoomThread : public QThread {
   bool isTerminated() const;
 
   bool isConsoleStart() const;
+
+  bool isOutdated();
+
  protected:
   virtual void run();
 
@@ -39,6 +43,7 @@ class RoomThread : public QThread {
   Server *m_server;
   // QList<Room *> room_list;
   int m_capacity;
+  QString md5;
 
   lua_State *L;
   QMutex request_queue_mutex;
diff --git a/src/server/server.cpp b/src/server/server.cpp
index 9a62d90e..996157b1 100644
--- a/src/server/server.cpp
+++ b/src/server/server.cpp
@@ -112,14 +112,14 @@ void Server::createRoom(ServerPlayer *owner, const QString &name, int capacity,
   RoomThread *thread = nullptr;
 
   foreach (auto t, threads) {
-    if (!t->isFull()) {
+    if (!t->isFull() && !t->isOutdated()) {
       thread = t;
       break;
     }
   }
+
   if (!thread && nextRoomId != 0) {
-    thread = new RoomThread(this);
-    threads.append(thread);
+    thread = createThread();
   }
 
   if (!idle_rooms.isEmpty()) {
@@ -128,6 +128,7 @@ void Server::createRoom(ServerPlayer *owner, const QString &name, int capacity,
     nextRoomId++;
     room->setAbandoned(false);
     room->setThread(thread);
+    thread->addRoom(room);
     rooms.insert(room->getId(), room);
   } else {
     room = new Room(thread);
@@ -151,6 +152,16 @@ Room *Server::findRoom(int id) const { return rooms.value(id); }
 
 Room *Server::lobby() const { return m_lobby; }
 
+RoomThread *Server::createThread() {
+  RoomThread *thread = new RoomThread(this);
+  threads.append(thread);
+  return thread;
+}
+
+void Server::removeThread(RoomThread *thread) {
+  threads.removeOne(thread);
+}
+
 ServerPlayer *Server::findPlayer(int id) const { return players.value(id); }
 
 void Server::addPlayer(ServerPlayer *player) {
@@ -183,6 +194,7 @@ void Server::updateRoomList(ServerPlayer *teller) {
     obj << count;
     obj << cap;
     obj << !password.isEmpty();
+    obj << room->isOutdated();
 
     if (count == cap)
       arr << obj;
@@ -670,6 +682,30 @@ void Server::endTransaction() {
   transaction_mutex.unlock();
 }
 
+const QString &Server::getMd5() const {
+  return md5;
+}
+
+void Server::refreshMd5() {
+  md5 = calcFileMD5();
+  foreach (auto room, rooms) {
+    if (room->isOutdated()) {
+      if (!room->isStarted()) {
+        foreach (auto p, room->getPlayers()) {
+          p->doNotify("ErrorMsg", "room is outdated");
+          p->kicked();
+        }
+      } else {
+        room->doBroadcastNotify(room->getPlayers(), "GameLog",
+            "{\"type\":\"#RoomOutdated\",\"toast\":true}");
+      }
+    }
+  }
+  foreach (auto p, lobby()->getPlayers()) {
+    emit p->kicked();
+  }
+}
+
 void Server::readPendingDatagrams() {
   while (udpSocket->hasPendingDatagrams()) {
     QNetworkDatagram datagram = udpSocket->receiveDatagram();
diff --git a/src/server/server.h b/src/server/server.h
index 61b02088..f2baaa53 100644
--- a/src/server/server.h
+++ b/src/server/server.h
@@ -31,6 +31,9 @@ public:
   Room *findRoom(int id) const;
   Room *lobby() const;
 
+  RoomThread *createThread();
+  void removeThread(RoomThread *thread);
+
   ServerPlayer *findPlayer(int id) const;
   void addPlayer(ServerPlayer *player);
   void removePlayer(int id);
@@ -50,6 +53,9 @@ public:
   void beginTransaction();
   void endTransaction();
 
+  const QString &getMd5() const;
+  void refreshMd5();
+
 signals:
   void roomCreated(Room *room);
   void playerAdded(ServerPlayer *player);
diff --git a/src/server/shell.cpp b/src/server/shell.cpp
index 9b2ee0ca..c286701d 100644
--- a/src/server/shell.cpp
+++ b/src/server/shell.cpp
@@ -117,11 +117,13 @@ void Shell::upgradeCommand(QStringList &list) {
       auto obj = a.toObject();
       Pacman->upgradePack(obj["name"].toString());
     }
+    ServerInstance->refreshMd5();
     return;
   }
 
   auto pack = list[0];
   Pacman->upgradePack(pack);
+  ServerInstance->refreshMd5();
 }
 
 void Shell::enableCommand(QStringList &list) {
@@ -132,6 +134,7 @@ void Shell::enableCommand(QStringList &list) {
 
   auto pack = list[0];
   Pacman->enablePack(pack);
+  ServerInstance->refreshMd5();
 }
 
 void Shell::disableCommand(QStringList &list) {
@@ -142,6 +145,7 @@ void Shell::disableCommand(QStringList &list) {
 
   auto pack = list[0];
   Pacman->disablePack(pack);
+  ServerInstance->refreshMd5();
 }
 
 void Shell::lspkgCommand(QStringList &) {
@@ -380,33 +384,32 @@ Shell::Shell() {
   setObjectName("Shell");
   signal(SIGINT, sigintHandler);
 
-  static QHash<QString, void (Shell::*)(QStringList &)> handlers;
-  if (handlers.size() == 0) {
-    handlers["help"] = &Shell::helpCommand;
-    handlers["?"] = &Shell::helpCommand;
-    handlers["lsplayer"] = &Shell::lspCommand;
-    handlers["lsroom"] = &Shell::lsrCommand;
-    handlers["install"] = &Shell::installCommand;
-    handlers["remove"] = &Shell::removeCommand;
-    handlers["upgrade"] = &Shell::upgradeCommand;
-    handlers["u"] = &Shell::upgradeCommand;
-    handlers["lspkg"] = &Shell::lspkgCommand;
-    handlers["enable"] = &Shell::enableCommand;
-    handlers["disable"] = &Shell::disableCommand;
-    handlers["kick"] = &Shell::kickCommand;
-    handlers["msg"] = &Shell::msgCommand;
-    handlers["m"] = &Shell::msgCommand;
-    handlers["ban"] = &Shell::banCommand;
-    handlers["unban"] = &Shell::unbanCommand;
-    handlers["banip"] = &Shell::banipCommand;
-    handlers["unbanip"] = &Shell::unbanipCommand;
-    handlers["banuuid"] = &Shell::banUuidCommand;
-    handlers["unbanuuid"] = &Shell::unbanUuidCommand;
-    handlers["reloadconf"] = &Shell::reloadConfCommand;
-    handlers["r"] = &Shell::reloadConfCommand;
-    handlers["resetpassword"] = &Shell::resetPasswordCommand;
-    handlers["rp"] = &Shell::resetPasswordCommand;
-  }
+  static const QHash<QString, void (Shell::*)(QStringList &)> handlers = {
+    {"help", &Shell::helpCommand},
+    {"?", &Shell::helpCommand},
+    {"lsplayer", &Shell::lspCommand},
+    {"lsroom", &Shell::lsrCommand},
+    {"install", &Shell::installCommand},
+    {"remove", &Shell::removeCommand},
+    {"upgrade", &Shell::upgradeCommand},
+    {"u", &Shell::upgradeCommand},
+    {"lspkg", &Shell::lspkgCommand},
+    {"enable", &Shell::enableCommand},
+    {"disable", &Shell::disableCommand},
+    {"kick", &Shell::kickCommand},
+    {"msg", &Shell::msgCommand},
+    {"m", &Shell::msgCommand},
+    {"ban", &Shell::banCommand},
+    {"unban", &Shell::unbanCommand},
+    {"banip", &Shell::banipCommand},
+    {"unbanip", &Shell::unbanipCommand},
+    {"banuuid", &Shell::banUuidCommand},
+    {"unbanuuid", &Shell::unbanUuidCommand},
+    {"reloadconf", &Shell::reloadConfCommand},
+    {"r", &Shell::reloadConfCommand},
+    {"resetpassword", &Shell::resetPasswordCommand},
+    {"rp", &Shell::resetPasswordCommand},
+  };
   handler_map = handlers;
 }
 
diff --git a/src/swig/server.i b/src/swig/server.i
index 82908a2b..ba72a769 100644
--- a/src/swig/server.i
+++ b/src/swig/server.i
@@ -41,6 +41,7 @@ public:
   bool isTerminated() const;
 
   bool isConsoleStart() const;
+  bool isOutdated();
 };
 
 %{