diff --git a/Fk/Config.qml b/Fk/Config.qml
index f9fd64d6..1391182f 100644
--- a/Fk/Config.qml
+++ b/Fk/Config.qml
@@ -40,6 +40,7 @@ QtObject {
   // Client data
   property string serverMotd: ""
   property list<string> serverHiddenPacks: []
+  property bool serverEnableBot: true
   property int roomCapacity: 0
   property int roomTimeout: 0
   property bool enableFreeAssign: false
diff --git a/Fk/Logic.js b/Fk/Logic.js
index b6cb6ed3..e80404b2 100644
--- a/Fk/Logic.js
+++ b/Fk/Logic.js
@@ -100,9 +100,10 @@ callbacks["BackToStart"] = (jsonData) => {
 
 callbacks["SetServerSettings"] = (j) => {
   const data = JSON.parse(j);
-  const [ motd, hiddenPacks ] = data;
+  const [ motd, hiddenPacks, enableBots ] = data;
   config.serverMotd = motd;
   config.serverHiddenPacks = hiddenPacks;
+  config.serverEnableBot = enableBots;
 };
 
 callbacks["EnterLobby"] = (jsonData) => {
diff --git a/Fk/Pages/GeneralsOverview.qml b/Fk/Pages/GeneralsOverview.qml
index 3cf2ab37..445b9289 100644
--- a/Fk/Pages/GeneralsOverview.qml
+++ b/Fk/Pages/GeneralsOverview.qml
@@ -178,7 +178,6 @@ Item {
 
     function addSkillAudio(skill) {
       if (addSpecialSkillAudio(skill)) return;
-      console.log(skill, 'normal add')
       const skilldata = JSON.parse(Backend.callLuaFunction("GetSkillData", [skill]));
       if (!skilldata) return;
       const extension = skilldata.extension;
diff --git a/Fk/Pages/Room.qml b/Fk/Pages/Room.qml
index 6f1de120..fb8c85e7 100644
--- a/Fk/Pages/Room.qml
+++ b/Fk/Pages/Room.qml
@@ -185,6 +185,7 @@ Item {
     text: Backend.translate("Add Robot")
     visible: isOwner && !isStarted && !isFull
     anchors.centerIn: parent
+    enabled: config.serverEnableBot
     onClicked: {
       ClientInstance.notifyServer("AddRobot", "[]");
     }
diff --git a/Fk/RoomElement/Photo.qml b/Fk/RoomElement/Photo.qml
index 153ce8d5..e845de9f 100644
--- a/Fk/RoomElement/Photo.qml
+++ b/Fk/RoomElement/Photo.qml
@@ -390,7 +390,12 @@ Item {
   Image {
     // id: saveme
     visible: root.dead || root.dying || root.surrendered
-    source: SkinBank.DEATH_DIR + (root.dead ? root.role : root.surrendered ? "surrender" : "saveme")
+    source: {
+      if (root.dead) {
+        return SkinBank.getRoleDeathPic(root.role);
+      }
+      return SkinBank.DEATH_DIR + (root.surrendered ? "surrender" : "saveme")
+    }
     anchors.centerIn: photoMask
   }
 
diff --git a/Fk/skin-bank.js b/Fk/skin-bank.js
index 5360de46..74c608d0 100644
--- a/Fk/skin-bank.js
+++ b/Fk/skin-bank.js
@@ -19,6 +19,17 @@ var PIXANIM_DIR = AppPath + "/image/anim/"
 var TILE_ICON_DIR = AppPath + "/image/button/tileicon/"
 var LOBBY_IMG_DIR = AppPath + "/image/lobby/";
 
+const searchPkgResource = function(path, name, suffix) {
+  let ret;
+  for (let dir of Backend.ls(AppPath + "/packages/")) {
+    if (Pacman.getDisabledPacks().includes(dir) ||
+      dir.endsWith(".disabled") // in case
+    ) continue;
+    ret = AppPath + "/packages/" + dir + path + name + suffix;
+    if (Backend.exists(ret)) return ret;
+  }
+}
+
 function getGeneralExtraPic(name, extra) {
   const data = JSON.parse(Backend.callLuaFunction("GetGeneralData", [name]));
   const extension = data.extension;
@@ -54,11 +65,8 @@ function getCardPicture(cidOrName) {
   if (Backend.exists(path)) {
     return path;
   } else {
-    for (let dir of Backend.ls(AppPath + "/packages/")) {
-      if (dir.endsWith(".disabled")) continue;
-      path = AppPath + "/packages/" + dir + "/image/card/" + name + ".png";
-      if (Backend.exists(path)) return path;
-    }
+    let ret = searchPkgResource("/image/card/", name, ".png");
+    if (ret) return ret;
   }
   return CARD_DIR + "unknown.png";
 }
@@ -70,11 +78,8 @@ function getDelayedTrickPicture(name) {
   if (Backend.exists(path)) {
     return path;
   } else {
-    for (let dir of Backend.ls(AppPath + "/packages/")) {
-      if (dir.endsWith(".disabled")) continue;
-      path = AppPath + "/packages/" + dir + "/image/card/delayedTrick/" + name + ".png";
-      if (Backend.exists(path)) return path;
-    }
+    let ret = searchPkgResource("/image/card/delayedTrick/", name, ".png");
+    if (ret) return ret;
   }
   return DELAYED_TRICK_DIR + "unknown.png";
 }
@@ -88,11 +93,8 @@ function getEquipIcon(cid, icon) {
   if (Backend.exists(path)) {
     return path;
   } else {
-    for (let dir of Backend.ls(AppPath + "/packages/")) {
-      if (dir.endsWith(".disabled")) continue;
-      path = AppPath + "/packages/" + dir + "/image/card/equipIcon/" + name + ".png";
-      if (Backend.exists(path)) return path;
-    }
+    let ret = searchPkgResource("/image/card/equipIcon/", name, ".png");
+    if (ret) return ret;
   }
   return EQUIP_ICON_DIR + "unknown.png";
 }
@@ -100,11 +102,8 @@ function getEquipIcon(cid, icon) {
 function getPhotoBack(kingdom) {
   let path = PHOTO_BACK_DIR + kingdom + ".png";
   if (!Backend.exists(path)) {
-    for (let dir of Backend.ls(AppPath + "/packages/")) {
-      if (dir.endsWith(".disabled")) continue;
-      path = AppPath + "/packages/" + dir + "/image/kingdom/" + kingdom + "-back.png";
-      if (Backend.exists(path)) return path;
-    }
+    let ret = searchPkgResource("/image/kingdom/", kingdom, "-back.png");
+    if (ret) return ret;
   } else {
     return path;
   }
@@ -114,12 +113,8 @@ function getPhotoBack(kingdom) {
 function getGeneralCardDir(kingdom) {
   let path = GENERALCARD_DIR + kingdom + ".png";
   if (!Backend.exists(path)) {
-    for (let dir of Backend.ls(AppPath + "/packages/")) {
-      if (dir.endsWith(".disabled")) continue;
-      path = AppPath + "/packages/" + dir + "/image/kingdom/" + kingdom + "-back.png";
-      if (Backend.exists(path))
-        return AppPath + "/packages/" + dir + "/image/kingdom/";
-    }
+    let ret = searchPkgResource("/image/kingdom/", kingdom, "-back.png");
+    if (ret) return ret.slice(0, ret.lastIndexOf('/')) + "/";
   } else {
     return GENERALCARD_DIR;
   }
@@ -130,20 +125,25 @@ function getRolePic(role) {
   if (Backend.exists(path)) {
     return path;
   } else {
-    for (let dir of Backend.ls(AppPath + "/packages/")) {
-      if (dir.endsWith(".disabled")) continue;
-      path = AppPath + "/packages/" + dir + "/image/role/" + role + ".png";
-      if (Backend.exists(path)) return path;
-    }
+    let ret = searchPkgResource("/image/role/", role, ".png");
+    if (ret) return ret;
   }
   return ROLE_DIR + "unknown.png";
 }
 
-function getMarkPic(mark) {
-  for (let dir of Backend.ls(AppPath + "/packages/")) {
-    if (dir.endsWith(".disabled")) continue;
-    let path = AppPath + "/packages/" + dir + "/image/mark/" + mark + ".png";
-    if (Backend.exists(path)) return path;
+function getRoleDeathPic(role) {
+  let path = DEATH_DIR + role + ".png";
+  if (Backend.exists(path)) {
+    return path;
+  } else {
+    let ret = searchPkgResource("/image/role/death/", role, ".png");
+    if (ret) return ret;
   }
+  return DEATH_DIR + "hidden.png";
+}
+
+function getMarkPic(mark) {
+  let ret = searchPkgResource("/image/mark/", mark, ".png");
+  if (ret) return ret;
   return "";
 }
diff --git a/freekill.server.config.json.example b/freekill.server.config.json.example
index 0f89beea..cc807afb 100644
--- a/freekill.server.config.json.example
+++ b/freekill.server.config.json.example
@@ -5,5 +5,6 @@
   "capacity": 100,
   "tempBanTime": 20,
   "motd": "Welcome!",
-  "hiddenPacks": []
+  "hiddenPacks": [],
+  "enableBots": true
 }
diff --git a/lua/core/engine.lua b/lua/core/engine.lua
index a66d14a6..3cd53dce 100644
--- a/lua/core/engine.lua
+++ b/lua/core/engine.lua
@@ -123,8 +123,11 @@ function Engine:loadPackages()
   table.removeOne(directories, "standard_cards")
   table.removeOne(directories, "maneuvering")
 
+  local _disable_packs = json.decode(fk.GetDisabledPacks())
+
   for _, dir in ipairs(directories) do
-    if (not string.find(dir, ".disabled")) and FileIO.isDir("packages/" .. dir)
+    if (not string.find(dir, ".disabled")) and not table.contains(_disable_packs, dir)
+      and FileIO.isDir("packages/" .. dir)
       and FileIO.exists("packages/" .. dir .. "/init.lua") then
       local pack = require(string.format("packages.%s", dir))
       -- Note that instance of Package is a table too
diff --git a/lua/core/player.lua b/lua/core/player.lua
index 6f9e3acc..5d978940 100644
--- a/lua/core/player.lua
+++ b/lua/core/player.lua
@@ -137,7 +137,7 @@ end
 
 function Player:getGeneralMaxHp()
   local general = Fk.generals[type(self:getMark("__heg_general")) == "string" and self:getMark("__heg_general") or self.general]
-  local deputy = Fk.generals[type(self:getMark("__heg_deputy")) == "string" and self:getMark("__heg_deputy") or self.deputy]
+  local deputy = Fk.generals[type(self:getMark("__heg_deputy")) == "string" and self:getMark("__heg_deputy") or self.deputyGeneral]
 
   if not deputy then
     return general.maxHp + general.mainMaxHpAdjustedValue
@@ -492,7 +492,6 @@ function Player:distanceTo(other, mode, ignore_dead)
   mode = mode or "both"
   if other == self then return 0 end
   if not ignore_dead and other.dead then
-    print(other.general .. " is dead!")
     return -1
   end
   if self:isRemoved() or other:isRemoved() then
diff --git a/lua/server/ai/random_ai.lua b/lua/server/ai/random_ai.lua
index 5d561e3b..f788115c 100644
--- a/lua/server/ai/random_ai.lua
+++ b/lua/server/ai/random_ai.lua
@@ -133,6 +133,7 @@ random_cb.AskForUseCard = function(self, jsonData)
   local pattern = data[2] or card_name
   local cancelable = data[4] or true
   local exp = Exppattern:Parse(pattern)
+
   local avail_cards = table.filter(player:getCardIds("he"), function(id)
     return exp:match(Fk:getCardById(id)) and not player:prohibitUse(Fk:getCardById(id))
   end)
diff --git a/lua/server/serverplayer.lua b/lua/server/serverplayer.lua
index 79c21996..ab670d4c 100644
--- a/lua/server/serverplayer.lua
+++ b/lua/server/serverplayer.lua
@@ -116,6 +116,7 @@ local function _waitForReply(player, timeout)
     player.room:checkNoHuman()
     player.ai:readRequestData()
     local reply = player.ai:makeReply()
+    if reply == "" then reply = "__cancel" end
     return reply
   end
   while true do
diff --git a/src/core/packman.cpp b/src/core/packman.cpp
index 89c69474..4253f9c3 100644
--- a/src/core/packman.cpp
+++ b/src/core/packman.cpp
@@ -18,15 +18,21 @@ PackMan::PackMan(QObject *parent) : QObject(parent) {
   db = OpenDatabase("./packages/packages.db", "./packages/init.sql");
 
   QDir d("packages");
+
+  // For old version
+  foreach (auto e, QmlBackend::ls("packages")) {
+    if (e.endsWith(".disabled") && d.exists(e) && !d.exists(e.chopped(9))) {
+      d.rename(e, e.chopped(9));
+    }
+  }
+
   foreach (auto e, SelectFromDatabase(db, "SELECT name, enabled FROM packages;")) {
     auto obj = e.toObject();
     auto pack = obj["name"].toString();
     auto enabled = obj["enabled"].toString().toInt() == 1;
 
-    if (enabled) {
-      d.rename(pack + ".disabled", pack);
-    } else {
-      d.rename(pack, pack + ".disabled");
+    if (!enabled) {
+      disabled_packs << pack;
     }
   }
 
@@ -40,6 +46,10 @@ PackMan::~PackMan() {
   sqlite3_close(db);
 }
 
+QStringList PackMan::getDisabledPacks() {
+  return disabled_packs;
+}
+
 QString PackMan::getPackSummary() {
   return SelectFromDb(
       db, "SELECT name, url, hash FROM packages WHERE enabled = 1;");
@@ -142,24 +152,17 @@ void PackMan::enablePack(const QString &pack) {
   ExecSQL(
       db,
       QString("UPDATE packages SET enabled = 1 WHERE name = '%1';").arg(pack));
-  QDir d("packages");
-  int i = 0;
-  while (!d.rename(pack + ".disabled", pack) && i < 3) {
-    QThread::currentThread()->msleep(1);
-    i++;
-  }
+
+  disabled_packs.removeOne(pack);
 }
 
 void PackMan::disablePack(const QString &pack) {
   ExecSQL(
       db,
       QString("UPDATE packages SET enabled = 0 WHERE name = '%1';").arg(pack));
-  QDir d("packages");
-  int i = 0;
-  while (!d.rename(pack, pack + ".disabled") && i < 3) {
-    QThread::currentThread()->msleep(1);
-    i++;
-  }
+
+  if (!disabled_packs.contains(pack))
+    disabled_packs << pack;
 }
 
 void PackMan::updatePack(const QString &pack) {
@@ -208,7 +211,7 @@ void PackMan::removePack(const QString &pack) {
     return;
   bool enabled = result[0].toObject()["enabled"].toString().toInt() == 1;
   ExecSQL(db, QString("DELETE FROM packages WHERE name = '%1';").arg(pack));
-  QDir d(QString("packages/%1%2").arg(pack).arg(enabled ? "" : ".disabled"));
+  QDir d(QString("packages/%1").arg(pack));
   d.removeRecursively();
 }
 
diff --git a/src/core/packman.h b/src/core/packman.h
index f45a8e26..69c845f0 100644
--- a/src/core/packman.h
+++ b/src/core/packman.h
@@ -3,6 +3,7 @@
 #ifndef _PACKMAN_H
 #define _PACKMAN_H
 
+#include <qtmetamacros.h>
 class PackMan : public QObject {
   Q_OBJECT
 public:
@@ -10,6 +11,7 @@ public:
   ~PackMan();
 
   QString getPackSummary();
+  Q_INVOKABLE QStringList getDisabledPacks();
   Q_INVOKABLE void loadSummary(const QString &, bool useThread = false);
   Q_INVOKABLE void downloadNewPack(const QString &url, bool useThread = false);
   Q_INVOKABLE void enablePack(const QString &pack);
@@ -27,6 +29,7 @@ private:
   int checkout_branch(const QString &name, const QString &branch);
   int status(const QString &name); // return 1 if the workdir is modified
   QString head(const QString &name); // get commit hash of HEAD
+  QStringList disabled_packs;
 };
 
 extern PackMan *Pacman;
diff --git a/src/core/util.cpp b/src/core/util.cpp
index 1e1ab0b9..c14c3293 100644
--- a/src/core/util.cpp
+++ b/src/core/util.cpp
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 #include "util.h"
+#include "packman.h"
 #include <qcryptographichash.h>
 #include <qnamespace.h>
 #include <qregularexpression.h>
@@ -159,8 +160,9 @@ static void writeDirMD5(QFile &dest, const QString &dir,
   auto entries = d.entryInfoList(
       QDir::Files | QDir::Dirs | QDir::NoDotAndDotDot, QDir::Name);
   auto re = QRegularExpression::fromWildcard(filter);
+  const auto disabled = Pacman->getDisabledPacks();
   foreach (QFileInfo info, entries) {
-    if (info.isDir() && !info.fileName().endsWith(".disabled")) {
+    if (info.isDir() && !info.fileName().endsWith(".disabled") && !disabled.contains(info.fileName())) {
       writeDirMD5(dest, info.filePath(), filter);
     } else {
       if (re.match(info.fileName()).hasMatch()) {
@@ -213,6 +215,10 @@ QString GetDeviceUuid() {
 #endif
 }
 
+QString GetDisabledPacks() {
+  return JsonArray2Bytes(QJsonArray::fromStringList(Pacman->getDisabledPacks()));
+}
+
 QString Color(const QString &raw, fkShell::TextColor color,
               fkShell::TextType type) {
 #ifdef Q_OS_LINUX
diff --git a/src/core/util.h b/src/core/util.h
index 72daff01..6ac6a439 100644
--- a/src/core/util.h
+++ b/src/core/util.h
@@ -22,6 +22,8 @@ QJsonDocument String2Json(const QString &str);
 
 QString GetDeviceUuid();
 
+QString GetDisabledPacks();
+
 namespace fkShell {
   enum TextColor {
     Black,
diff --git a/src/network/router.cpp b/src/network/router.cpp
index 5b3a6e23..be73a555 100644
--- a/src/network/router.cpp
+++ b/src/network/router.cpp
@@ -280,7 +280,7 @@ void Router::handlePacket(const QByteArray &rawPacket) {
         if (command == "QuitRoom") {
           room->removePlayer(player);
         } else if (command == "AddRobot") {
-          room->addRobot(player);
+          if (ServerInstance->getConfig("enableBots").toBool()) room->addRobot(player);
         } else if (command == "KickPlayer") {
           int i = jsonData.toInt();
           auto p = room->findPlayer(i);
diff --git a/src/server/server.cpp b/src/server/server.cpp
index 3d925f01..f1ec91f1 100644
--- a/src/server/server.cpp
+++ b/src/server/server.cpp
@@ -514,6 +514,7 @@ void Server::handleNameAndPassword(ClientSocket *client, const QString &name,
     player->doNotify("SetServerSettings", JsonArray2Bytes({
           getConfig("motd"),
           getConfig("hiddenPacks"),
+          getConfig("enableBots"),
           }));
 
     lobby()->addPlayer(player);
@@ -623,6 +624,7 @@ void Server::readConfig() {
   SET_DEFAULT_CONFIG("tempBanTime", 20);
   SET_DEFAULT_CONFIG("motd", "Welcome!");
   SET_DEFAULT_CONFIG("hiddenPacks", QJsonArray());
+  SET_DEFAULT_CONFIG("enableBots", true);
 }
 
 QJsonValue Server::getConfig(const QString &key) { return config.value(key); }
diff --git a/src/swig/freekill.i b/src/swig/freekill.i
index db297eb2..f8b95d85 100644
--- a/src/swig/freekill.i
+++ b/src/swig/freekill.i
@@ -22,3 +22,4 @@ const char *FK_VER = FK_VERSION;
 %include "server.i"
 
 extern char *FK_VER;
+QString GetDisabledPacks();