diff --git a/README.md b/README.md
index e0138286..42bdcf2a 100644
--- a/README.md
+++ b/README.md
@@ -5,3 +5,11 @@ ___
 试图打造一个最适合diy玩家游玩的民间三国杀，所有的一切都是为了更好的制作diy而设计的。
 
 项目仍处于啥都没有的阶段。不过我为了整理思路，也写了点[文档](./doc/index.md)。
+
+___
+
+## 如何构建
+
+安装Qt Creator和Qt 5.15.2。必要时自行配置CMake。
+
+然后下载swig，并为其配置环境变量，即可构建FreeKill。
diff --git a/qml/Pages/Room.qml b/qml/Pages/Room.qml
index 1feb2648..7590298d 100644
--- a/qml/Pages/Room.qml
+++ b/qml/Pages/Room.qml
@@ -119,7 +119,7 @@ Item {
         toast.show("Sucesessfully entered room.");
 
         dashboardModel = {
-            general: config.avatar,
+            general: "liubei",
             screenName: config.screenName,
             role: "unknown",
             kingdom: "qun",
diff --git a/src/network/router.cpp b/src/network/router.cpp
index e618a532..6faecd8b 100644
--- a/src/network/router.cpp
+++ b/src/network/router.cpp
@@ -159,7 +159,7 @@ void Router::handlePacket(const QByteArray& rawPacket)
             // Add the uid of sender to jsonData
             QJsonArray arr = QJsonDocument::fromJson(jsonData.toUtf8()).array();
             arr.prepend(
-                (int)qobject_cast<ServerPlayer *>(parent())->getUid()
+                (int)qobject_cast<ServerPlayer *>(parent())->getId()
             );
             ServerInstance->callLua(command, QJsonDocument(arr).toJson());
         }
diff --git a/src/server/server.cpp b/src/server/server.cpp
index 70bf1ad8..d433c5e1 100644
--- a/src/server/server.cpp
+++ b/src/server/server.cpp
@@ -188,7 +188,7 @@ void Server::handleNameAndPassword(ClientSocket *client, const QString& name, co
         player->setSocket(client);
         client->disconnect(this);
         connect(client, &ClientSocket::disconnected, this, [player](){
-            qDebug() << "Player" << player->getUid() << "disconnected";
+            qDebug() << "Player" << player->getId() << "disconnected";
         });
         player->setScreenName(name);
         player->setAvatar(result["avatar"].toArray()[0].toString());
diff --git a/src/server/serverplayer.cpp b/src/server/serverplayer.cpp
index 887fdb92..4b2f9cd7 100644
--- a/src/server/serverplayer.cpp
+++ b/src/server/serverplayer.cpp
@@ -3,13 +3,7 @@
 #include "server.h"
 
 ServerPlayer::ServerPlayer(Room *room)
-    : uid(0)
 {
-    static int m_playerid = 0;
-    m_playerid++;
-
-    uid = m_playerid;
-
     socket = nullptr;
     router = new Router(this, socket, Router::TYPE_SERVER);
 
@@ -21,11 +15,6 @@ ServerPlayer::~ServerPlayer()
     router->deleteLater();
 }
 
-uint ServerPlayer::getUid() const
-{
-    return uid;
-}
-
 void ServerPlayer::setSocket(ClientSocket *socket)
 {
     this->socket = socket;
diff --git a/src/server/serverplayer.h b/src/server/serverplayer.h
index 40b01ee2..217e1c51 100644
--- a/src/server/serverplayer.h
+++ b/src/server/serverplayer.h
@@ -14,8 +14,6 @@ public:
     explicit ServerPlayer(Room *room);
     ~ServerPlayer();
 
-    uint getUid() const;
-
     void setSocket(ClientSocket *socket);
 
     Server *getServer() const;
@@ -32,7 +30,6 @@ public:
     void prepareForRequest(const QString &command,
                            const QVariant &data = QVariant());
 private:
-    uint uid;
     ClientSocket *socket;   // socket for communicating with client
     Router *router;
     Server *server;
diff --git a/src/swig/player.i b/src/swig/player.i
index cf01a9ea..87e7af37 100644
--- a/src/swig/player.i
+++ b/src/swig/player.i
@@ -39,8 +39,6 @@ extern ClientPlayer *Self;
 %nodefaultdtor ServerPlayer;
 class ServerPlayer : public Player {
 public:
-    unsigned int getUid() const;
-
     void setSocket(ClientSocket *socket);
 
     Server *getServer() const;