diff --git a/Fk/Cheat/PlayerDetail.qml b/Fk/Cheat/PlayerDetail.qml
index 38088397..517c60ec 100644
--- a/Fk/Cheat/PlayerDetail.qml
+++ b/Fk/Cheat/PlayerDetail.qml
@@ -3,6 +3,7 @@
 import QtQuick
 import QtQuick.Controls
 import QtQuick.Layouts
+import Fk.Common
 import Fk.Pages
 import Fk.RoomElement
 
@@ -22,18 +23,29 @@ Flickable {
     width: parent.width - 40
     x: 20
 
-    // TODO: player details
-    Text {
-      id: screenName
-      font.pixelSize: 18
-      color: "#E4D5A0"
-    }
+    RowLayout {
+      spacing: 8
+      Avatar {
+        id: avatar
+        Layout.preferredWidth: 56
+        Layout.preferredHeight: 56
+        general: "diaochan"
+      }
 
-    Text {
-      id: playerGameData
-      Layout.fillWidth: true
-      font.pixelSize: 18
-      color: "#E4D5A0"
+      ColumnLayout {
+        Text {
+          id: screenName
+          font.pixelSize: 18
+          color: "#E4D5A0"
+        }
+
+        Text {
+          id: playerGameData
+          Layout.fillWidth: true
+          font.pixelSize: 18
+          color: "#E4D5A0"
+        }
+      }
     }
 
     RowLayout {
@@ -163,6 +175,7 @@ Flickable {
     if (id === 0) return;
     root.pid = id;
 
+    avatar.general = extra_data.photo.avatar;
     screenName.text = extra_data.photo.screenName;
     mainChara.name = extra_data.photo.general;
     deputyChara.name = extra_data.photo.deputyGeneral;
@@ -182,9 +195,9 @@ Flickable {
       const h = (totalTime / 3600).toFixed(2);
       const m = Math.floor(totalTime / 60);
       if (m < 100) {
-        playerGameData.text += " " + luatr("TotalGameTime: %1 min").arg(m);
+        screenName.text += " (" + luatr("TotalGameTime: %1 min").arg(m) + ")";
       } else {
-        playerGameData.text += " " + luatr("TotalGameTime: %1 h").arg(h);
+        screenName.text += " (" + luatr("TotalGameTime: %1 h").arg(h) + ")";
       }
     }
 
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 60ce0e88..b2766c3a 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,25 +1,29 @@
-FROM debian
-USER root
+FROM linuxcontainers/debian-slim:latest
 
+# install dependencies
+RUN apt update -y && apt upgrade -y && \
+    apt install -y \
+        gcc g++ cmake \
+        liblua5.4-dev libsqlite3-dev libreadline-dev libssl-dev libgit2-dev swig qt6-base-dev qt6-tools-dev-tools \
+        gosu && \
+    apt clean -y && \
+    rm -rf /var/lib/apt/lists/*
+
+# prepare source code
 COPY . /FreeKill
 
-#update apt dependencies
-RUN apt update -y && apt upgrade -y
+# compile and install
+RUN mkdir -p /FreeKill/build && \
+    cd /FreeKill/build && cp -r /usr/include/lua5.4/* ../include && cmake .. -DFK_SERVER_ONLY= && make && \
+    cd /FreeKill && cmake --install build --config Release && \
+    cp /FreeKill/docker/docker-entrypoint.sh / && chmod +x /docker-entrypoint.sh && \
+    mkdir /data && \
+    cd / && rm -rf /FreeKill
 
-#install compile tools
-RUN apt install -y gcc g++ cmake
-RUN apt install -y liblua5.4-dev libsqlite3-dev libreadline-dev libssl-dev libgit2-dev swig qt6-base-dev qt6-tools-dev-tools
-
-#change workdir to FreeKill
-WORKDIR /FreeKill
-
-#compile source code
-RUN mkdir build && cd build && cp -r /usr/include/lua5.4/* ../include && cmake .. -DFK_SERVER_ONLY=
-RUN cd build && make
-
-#build soft link
-RUN ln -s build/FreeKill
+WORKDIR /data
 
 EXPOSE 9527
 
-ENTRYPOINT ["/FreeKill/FreeKill", "-s"]
+ENTRYPOINT ["/docker-entrypoint.sh"]
+
+CMD ["FreeKill", "-s"]
diff --git a/docker/docker-entrypoint.sh b/docker/docker-entrypoint.sh
new file mode 100644
index 00000000..b2ed6b45
--- /dev/null
+++ b/docker/docker-entrypoint.sh
@@ -0,0 +1,29 @@
+#!/bin/bash
+
+USER_ID=${LOCAL_USER_ID:-1000}
+
+if [ "${1#-}" != "$1" ]; then
+	set -- FreeKill -s "$@"
+fi
+
+if [ "$1" = 'FreeKill' -a "$(id -u)" = '0' ]; then
+	id -u freekill >&/dev/null
+	if [ $? -ne 0 ]; then
+		useradd --shell /bin/bash -u $USER_ID -o -c "" -m freekill
+		usermod -aG root freekill
+		export HOME=/home/freekill
+		mkdir -p $HOME/.local/share
+		ln -s /data $HOME/.local/share/FreeKill
+		chown -R freekill:freekill $HOME
+		if [ ! -d "/data/server" ]; then
+			cp -r /usr/local/share/FreeKill/server /data
+		fi
+		if [ ! -d "/data/packages" ]; then
+			cp -r /usr/local/share/FreeKill/packages /data
+		fi
+	fi
+	chown -R freekill /data
+	exec gosu freekill "$0" "$@"
+fi
+
+exec "$@"
diff --git a/image/card/delayedTrick/unknown.png b/image/card/delayedTrick/unknown.png
index 0c0f0c37..4731fd9b 100644
Binary files a/image/card/delayedTrick/unknown.png and b/image/card/delayedTrick/unknown.png differ
diff --git a/lua/client/client_util.lua b/lua/client/client_util.lua
index a92531eb..27cbc345 100644
--- a/lua/client/client_util.lua
+++ b/lua/client/client_util.lua
@@ -784,4 +784,8 @@ function GetMiniGame(gtype, p, data)
   }
 end
 
+function ReloadPackage(path)
+  Fk:reloadPackage(path)
+end
+
 dofile "lua/client/i18n/init.lua"
diff --git a/lua/core/engine.lua b/lua/core/engine.lua
index 1585aa3d..b3023764 100644
--- a/lua/core/engine.lua
+++ b/lua/core/engine.lua
@@ -47,7 +47,6 @@ function Engine:initialize()
   end
 
   Fk = self
-
   self.extensions = {
     ["standard"] = { "standard" },
     ["standard_cards"] = { "standard_cards" },
@@ -123,6 +122,76 @@ function Engine:loadPackage(pack)
   self:addGameModes(pack.game_modes)
 end
 
+-- Don't do this
+local package = package
+function Engine:reloadPackage(path)
+  path = path:sub(1, #path - 4)
+  local oldPkg = package.loaded[path]
+  package.loaded[path] = nil
+  local ok, err = pcall(require, path)
+  if not ok then
+    package.loaded[path] = oldPkg
+    print("reload failed:", err)
+    return
+  end
+
+  -- 阉割版重载机制，反正单机用
+  local function replace(t, skill)
+    if not t then return end
+    for k, s in pairs(t) do
+      if s.name == skill.name then
+        t[k] = skill
+        break
+      end
+    end
+  end
+
+  local function f(p)
+    self.packages[p.name] = p
+    local room = Fk:currentRoom()
+    local skills = p:getSkills()
+    local related = {}
+    for _, skill in ipairs(skills) do
+      table.insertTableIfNeed(related, skill.related_skills)
+    end
+    table.insertTableIfNeed(skills, related)
+
+    for _, skill in ipairs(skills) do
+      if self.skills[skill.name].class ~= skill.class then
+        fk.qCritical("cannot change class of skill: " .. skill.name)
+        goto CONTINUE
+      end
+      self.skills[skill.name] = skill
+      if skill:isInstanceOf(TriggerSkill) and RoomInstance then
+        local logic = room.logic
+        for _, event in ipairs(skill.refresh_events) do
+          replace(logic.refresh_skill_table[event], skill)
+        end
+        for _, event in ipairs(skill.events) do
+          replace(logic.skill_table[event], skill)
+        end
+      end
+      if skill:isInstanceOf(StatusSkill) then
+        replace(room.status_skills[skill.class], skill)
+      end
+
+      for _, p in ipairs(room.players) do
+        replace(p.player_skills, skill)
+      end
+      ::CONTINUE::
+    end
+  end
+
+  local pkg = package.loaded[path]
+  if type(pkg) ~= "table" then return end
+  if pkg.class and pkg:isInstanceOf(Package) then
+    f(pkg)
+  elseif path:endsWith("init") and not path:find("/ai/") then
+    for _, p in ipairs(pkg) do f(p) end
+  end
+end
+
+
 --- 加载所有拓展包。
 ---
 --- Engine会在packages/下搜索所有含有init.lua的文件夹，并把它们作为拓展包加载进来。
@@ -215,7 +284,7 @@ end
 function Engine:addSkill(skill)
   assert(skill.class:isSubclassOf(Skill))
   if self.skills[skill.name] ~= nil then
-    error(string.format("Duplicate skill %s detected", skill.name))
+    fk.qWarning(string.format("Duplicate skill %s detected", skill.name))
   end
   self.skills[skill.name] = skill
 
diff --git a/lua/server/ai/random_ai.lua b/lua/server/ai/random_ai.lua
index cfb12ac9..6a5ca098 100644
--- a/lua/server/ai/random_ai.lua
+++ b/lua/server/ai/random_ai.lua
@@ -10,6 +10,8 @@ function RandomAI:useActiveSkill(skill, card)
   local room = self.room
   local player = self.player
 
+  if skill:isInstanceOf(ViewAsSkill) then return "" end
+
   local filter_func = skill.cardFilter
   if card then
     filter_func = Util.FalseFunc
@@ -68,6 +70,7 @@ function RandomAI:useVSSkill(skill, pattern, cancelable, extra_data)
   local player = self.player
   local room = self.room
   local precondition
+  if not skill then return nil end
 
   if self.command == "PlayCard" then
     precondition = skill:enabledAtPlay(player)
diff --git a/lua/server/request.lua b/lua/server/request.lua
index 2d36437d..1b9ff419 100644
--- a/lua/server/request.lua
+++ b/lua/server/request.lua
@@ -181,6 +181,12 @@ request_handlers["newroom"] = function(s, id)
   s:registerRoom(id)
 end
 
+request_handlers["reloadpackage"] = function(room, id, reqlist)
+  if not IsConsoleStart() then return end
+  local path = reqlist[3]
+  Fk:reloadPackage(path)
+end
+
 -- 处理异步请求的协程，本身也是个死循环就是了。
 -- 为了适应调度器，目前又暂且将请求分为“耗时请求”和不耗时请求。
 -- 耗时请求处理后会立刻挂起。不耗时的请求则会不断处理直到请求队列空后再挂起。
diff --git a/lua/server/scheduler.lua b/lua/server/scheduler.lua
index 2c1a16dd..e1bf22d3 100644
--- a/lua/server/scheduler.lua
+++ b/lua/server/scheduler.lua
@@ -154,3 +154,7 @@ function InitScheduler(_thread)
   requestRoom.thread = _thread
   Pcall(mainLoop)
 end
+
+function IsConsoleStart()
+  return requestRoom.thread:isConsoleStart()
+end
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index c74fbadc..f63910b2 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -97,3 +97,25 @@ target_link_libraries(FreeKill PRIVATE
 )
 
 install(TARGETS FreeKill DESTINATION bin)
+install(DIRECTORY
+  ${PROJECT_SOURCE_DIR}/audio
+  ${PROJECT_SOURCE_DIR}/fonts
+  ${PROJECT_SOURCE_DIR}/image
+  ${PROJECT_SOURCE_DIR}/lua
+  ${PROJECT_SOURCE_DIR}/packages
+  ${PROJECT_SOURCE_DIR}/Fk
+  ${PROJECT_SOURCE_DIR}/server
+  DESTINATION share/FreeKill
+)
+install(FILES
+  ${PROJECT_SOURCE_DIR}/fk_ver
+  DESTINATION share/FreeKill
+)
+
+if (NOT DEFINED FK_SERVER_ONLY)
+  install(FILES
+    ${CMAKE_BINARY_DIR}/zh_CN.qm
+    ${CMAKE_BINARY_DIR}/en_US.qm
+    DESTINATION share/FreeKill
+  )
+endif()
diff --git a/src/client/client.cpp b/src/client/client.cpp
index e4cdf03f..f2dc5e4c 100644
--- a/src/client/client.cpp
+++ b/src/client/client.cpp
@@ -3,7 +3,11 @@
 #include "client.h"
 #include "client_socket.h"
 #include "clientplayer.h"
+#include "qmlbackend.h"
 #include "util.h"
+#include "server.h"
+#include <qforeach.h>
+#include <qlogging.h>
 
 Client *ClientInstance = nullptr;
 ClientPlayer *Self = nullptr;
@@ -78,7 +82,10 @@ void Client::changeSelf(int id) {
 
 lua_State *Client::getLuaState() { return L; }
 
-void Client::installAESKey(const QByteArray &key) { router->installAESKey(key); }
+void Client::installAESKey(const QByteArray &key) {
+  startWatchFiles();
+  router->installAESKey(key);
+}
 
 void Client::saveRecord(const QString &json, const QString &fname) {
   if (!QDir("recording").exists()) {
@@ -90,6 +97,48 @@ void Client::saveRecord(const QString &json, const QString &fname) {
   c.close();
 }
 
+bool Client::isConsoleStart() const {
+  if (!ClientInstance || !ServerInstance) {
+    return false;
+  }
+
+  return router->isConsoleStart();
+}
+
+void Client::startWatchFiles() {
+  if (!isConsoleStart()) return;
+  if (!fsWatcher.files().empty()) return;
+  QFile flist("flist.txt");
+  if (!flist.open(QIODevice::ReadOnly)) {
+    qCritical("Cannot open flist.txt. Won't watch files.");
+    fsWatcher.addPath("fk_ver"); // dummy
+  }
+  auto md5pairs = flist.readAll().split(';');
+  foreach (auto md5, md5pairs) {
+    if (md5.isEmpty()) continue;
+    auto fname = md5.split('=')[0];
+    if (fname.startsWith("packages") && fname.endsWith(".lua")) {
+      fsWatcher.addPath(fname);
+    }
+  }
+  connect(&fsWatcher, &QFileSystemWatcher::fileChanged, this,
+      &Client::updateLuaFiles);
+}
+
 void Client::processReplay(const QString &c, const QString &j) {
   callLua(c, j);
 }
+
+void Client::updateLuaFiles(const QString &path) {
+  if (!isConsoleStart()) return;
+  Backend->showToast(tr("File %1 changed, reloading...").arg(path));
+  QThread::msleep(100);
+  Backend->callLuaFunction("ReloadPackage", { path });
+  ClientInstance->notifyServer("PushRequest",
+      QString("reloadpackage,%1").arg(path));
+
+  // according to QT documentation
+  if (!fsWatcher.files().contains(path) && QFile::exists(path)) {
+    fsWatcher.addPath(path);
+  }
+}
diff --git a/src/client/client.h b/src/client/client.h
index a98e4ba1..f5d0d7ab 100644
--- a/src/client/client.h
+++ b/src/client/client.h
@@ -5,6 +5,7 @@
 
 #include "router.h"
 #include "clientplayer.h"
+#include <qfilesystemwatcher.h>
 
 #ifndef FK_SERVER_ONLY
 #include "qmlbackend.h"
@@ -34,18 +35,24 @@ public:
 
   void saveRecord(const QString &json, const QString &fname);
 
+  bool isConsoleStart() const;
+  void startWatchFiles();
 signals:
   void error_message(const QString &msg);
 
 public slots:
   void processReplay(const QString &, const QString &);
 
+private slots:
+  void updateLuaFiles(const QString &path);
+
 private:
   Router *router;
   QMap<int, ClientPlayer *> players;
   ClientPlayer *self;
 
   lua_State *L;
+  QFileSystemWatcher fsWatcher;
 };
 
 extern Client *ClientInstance;
diff --git a/src/main.cpp b/src/main.cpp
index fb2fd807..e9c7a453 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -173,6 +173,16 @@ void fkMsgHandler(QtMsgType type, const QMessageLogContext &context,
 int main(int argc, char *argv[]) {
   // 初始化一下各种杂项信息
   QThread::currentThread()->setObjectName("Main");
+
+  qInstallMessageHandler(fkMsgHandler);
+  QCoreApplication *app;
+  QCoreApplication::setApplicationName("FreeKill");
+  QCoreApplication::setApplicationVersion(FK_VERSION);
+
+#if defined(Q_OS_LINUX) && !defined(Q_OS_ANDROID)
+  prepareForLinux();
+#endif
+
   if (!info_log) {
     info_log = fopen("freekill.server.info.log", "w+");
     if (!info_log) {
@@ -186,15 +196,6 @@ int main(int argc, char *argv[]) {
     }
   }
 
-  qInstallMessageHandler(fkMsgHandler);
-  QCoreApplication *app;
-  QCoreApplication::setApplicationName("FreeKill");
-  QCoreApplication::setApplicationVersion(FK_VERSION);
-
-#if defined(Q_OS_LINUX) && !defined(Q_OS_ANDROID)
-  prepareForLinux();
-#endif
-
 #ifndef FK_CLIENT_ONLY
   // 分析命令行，如果有 -s 或者 --server 就在命令行直接开服务器
   QCommandLineParser parser;
diff --git a/src/network/router.cpp b/src/network/router.cpp
index 38c96437..4de18c85 100644
--- a/src/network/router.cpp
+++ b/src/network/router.cpp
@@ -53,6 +53,10 @@ void Router::installAESKey(const QByteArray &key) {
   socket->installAESKey(key);
 }
 
+bool Router::isConsoleStart() const {
+  return socket->peerAddress() == "127.0.0.1";
+}
+
 #ifndef FK_CLIENT_ONLY
 void Router::setReplyReadySemaphore(QSemaphore *semaphore) {
   extraReplyReadySemaphore = semaphore;
diff --git a/src/network/router.h b/src/network/router.h
index 62048a6b..7c8841b7 100644
--- a/src/network/router.h
+++ b/src/network/router.h
@@ -32,6 +32,7 @@ public:
   void setSocket(ClientSocket *socket);
   void removeSocket();
   void installAESKey(const QByteArray &key);
+  bool isConsoleStart() const;
 
 #ifndef FK_CLIENT_ONLY
   void setReplyReadySemaphore(QSemaphore *semaphore);
diff --git a/src/server/roomthread.cpp b/src/server/roomthread.cpp
index a193576a..104d592c 100644
--- a/src/server/roomthread.cpp
+++ b/src/server/roomthread.cpp
@@ -4,6 +4,10 @@
 #include "server.h"
 #include "util.h"
 
+#ifndef FK_SERVER_ONLY
+#include "client.h"
+#endif
+
 RoomThread::RoomThread(Server *m_server) {
   setObjectName("Room");
   this->m_server = m_server;
@@ -105,3 +109,12 @@ void RoomThread::tryTerminate() {
 bool RoomThread::isTerminated() const {
   return terminated;
 }
+
+bool RoomThread::isConsoleStart() const {
+#ifndef FK_SERVER_ONLY
+  if (!ClientInstance) return false;
+  return ClientInstance->isConsoleStart();
+#else
+  return false;
+#endif
+}
diff --git a/src/server/roomthread.h b/src/server/roomthread.h
index f8baf4c3..15cd1964 100644
--- a/src/server/roomthread.h
+++ b/src/server/roomthread.h
@@ -31,6 +31,7 @@ class RoomThread : public QThread {
   void tryTerminate();
   bool isTerminated() const;
 
+  bool isConsoleStart() const;
  protected:
   virtual void run();
 
diff --git a/src/swig/server.i b/src/swig/server.i
index 3f73d8c6..82908a2b 100644
--- a/src/swig/server.i
+++ b/src/swig/server.i
@@ -39,6 +39,8 @@ public:
 
   void trySleep(int ms);
   bool isTerminated() const;
+
+  bool isConsoleStart() const;
 };
 
 %{