diff --git a/src/ai/movegen.cpp b/src/ai/movegen.cpp
index 9dd4dc04..80e9d1f9 100644
--- a/src/ai/movegen.cpp
+++ b/src/ai/movegen.cpp
@@ -24,6 +24,7 @@
 #include "movegen.h"
 #include "player.h"
 #include "misc.h"
+#include "option.h"
 
 void MoveList::generate(AIAlgorithm &ai, Game &tempGame,
                                   AIAlgorithm::Node *node, AIAlgorithm::Node *root,
@@ -374,14 +375,14 @@ void MoveList::create(Game &game)
 #endif
 }
 
-void MoveList::shuffle(Game &game)
+void MoveList::shuffle()
 {
     array<move_t, 4> movePriorityTable0 = { (move_t)17, (move_t)19, (move_t)21, (move_t)23 }; // 中圈四个顶点 (星位)
     array<move_t, 8> movePriorityTable1 = { (move_t)25, (move_t)27, (move_t)29, (move_t)31, (move_t)9, (move_t)11, (move_t)13, (move_t)15 }; // 外圈和内圈四个顶点
     array<move_t, 4> movePriorityTable2 = { (move_t)16, (move_t)18, (move_t)20, (move_t)22 }; // 中圈十字架
     array<move_t, 8> movePriorityTable3 = { (move_t)24, (move_t)26, (move_t)28, (move_t)30, (move_t)8, (move_t)10, (move_t)12, (move_t)14 }; // 外内圈十字架
 
-    if (game.randomMoveEnabled()) {
+    if (options.getRandomMoveEnabled()) {
         uint32_t seed = static_cast<uint32_t>(now());
 
         std::shuffle(movePriorityTable0.begin(), movePriorityTable0.end(), std::default_random_engine(seed));
diff --git a/src/ai/movegen.h b/src/ai/movegen.h
index ad76198a..00a7b448 100644
--- a/src/ai/movegen.h
+++ b/src/ai/movegen.h
@@ -42,7 +42,7 @@ public:
     static void create(Game &game);
 
     // 随机打乱着法搜索顺序
-    static void shuffle(Game &game);
+    static void shuffle();
 
     // 着法表 // TODO: Move to private
     inline static move_t moveTable[Board::N_LOCATIONS][DIRECTIONS_COUNT] = { {MOVE_NONE} };
diff --git a/src/ai/search.cpp b/src/ai/search.cpp
index 1015f736..63b4c4dc 100644
--- a/src/ai/search.cpp
+++ b/src/ai/search.cpp
@@ -359,7 +359,7 @@ int AIAlgorithm::search(depth_t depth)
 #endif // THREEFOLD_REPETITION
 
     // 随机打乱着法顺序
-    MoveList::shuffle(game_);   
+    MoveList::shuffle();   
 
 #ifdef IDS_SUPPORT
     // 深化迭代
diff --git a/src/game/option.cpp b/src/game/option.cpp
index fe0dd848..18f97088 100644
--- a/src/game/option.cpp
+++ b/src/game/option.cpp
@@ -42,3 +42,13 @@ bool Options::getGiveUpIfMostLose()
 {
     return giveUpIfMostLose;
 }
+
+void Options::setRandomMoveEnabled(bool enabled)
+{
+    randomMoveEnabled = enabled;
+}
+
+bool Options::getRandomMoveEnabled()
+{
+    return randomMoveEnabled;
+}
diff --git a/src/game/option.h b/src/game/option.h
index 5cf0353b..2ec4635a 100644
--- a/src/game/option.h
+++ b/src/game/option.h
@@ -32,6 +32,9 @@ public:
 
     void setGiveUpIfMostLose(bool enabled);
     bool getGiveUpIfMostLose();
+
+    void setRandomMoveEnabled(bool enabled);
+    bool getRandomMoveEnabled();
 protected:
 
 private:
@@ -40,6 +43,9 @@ private:
 
     // 是否必败时认输
     bool giveUpIfMostLose { false };
+
+    // AI 是否随机走子
+    bool randomMoveEnabled { true };
 };
 
 extern Options options;
diff --git a/src/game/position.cpp b/src/game/position.cpp
index f63cee6f..358e6746 100644
--- a/src/game/position.cpp
+++ b/src/game/position.cpp
@@ -62,7 +62,6 @@ Game &Game::operator= (const Game &game)
     position = game.position;
     currentStep = game.currentStep;
     moveStep = game.moveStep;
-    isRandomMove = game.isRandomMove;
     boardLocations = position.board.locations;
     currentLocation = game.currentLocation;
     winner = game.winner;
diff --git a/src/game/position.h b/src/game/position.h
index 98235ccd..c135767a 100644
--- a/src/game/position.h
+++ b/src/game/position.h
@@ -141,12 +141,6 @@ public:
         return moveStep;
     } 
 
-    // 获取 AI 是否随机走子
-    bool randomMoveEnabled() const
-    {
-        return isRandomMove;
-    }
-
     // 获取局面阶段标识
     enum phase_t getPhase() const
     {
@@ -327,10 +321,7 @@ private:
     // 从走子阶段开始或上次吃子起的步数
     int moveStep {};
 
-    // AI 是否随机走子
-    bool isRandomMove {true};
-
-    // 游戏起始时间
+     // 游戏起始时间
     time_t startTime {};
 
     // 当前游戏时间
diff --git a/src/ui/qt/gamecontroller.cpp b/src/ui/qt/gamecontroller.cpp
index 501f3cac..074fc3e4 100644
--- a/src/ui/qt/gamecontroller.cpp
+++ b/src/ui/qt/gamecontroller.cpp
@@ -49,8 +49,7 @@ GameController::GameController(GameScene & scene, QObject * parent) :
     timeID(0),
     ruleNo_(-1),
     timeLimit(0),
-    stepsLimit(50),
-    randomMove_(true)
+    stepsLimit(50)
 {
     // 已在view的样式表中添加背景，scene中不用添加背景
     // 区别在于，view中的背景不随视图变换而变换，scene中的背景随视图变换而变换
@@ -376,9 +375,9 @@ void GameController::setAutoRestart(bool enabled)
     options.setAutoRestart(enabled);
 }
 
-void GameController::setRandomMove(bool arg)
+void GameController::setRandomMove(bool enabled)
 {
-    randomMove_ = arg;
+    options.setRandomMoveEnabled(enabled);
 }
 
 // 上下翻转
diff --git a/src/ui/qt/gamecontroller.h b/src/ui/qt/gamecontroller.h
index b2d67725..276c975a 100644
--- a/src/ui/qt/gamecontroller.h
+++ b/src/ui/qt/gamecontroller.h
@@ -70,11 +70,6 @@ public:
         return stepsLimit;
     }
 
-    bool getRandomMove()
-    {
-        return randomMove_;
-    }
-
     bool isAnimation()
     {
         return hasAnimation;
@@ -156,7 +151,7 @@ public slots:
     void setAutoRestart(bool enabled = false);
 
     // AI 是否随机走子
-    void setRandomMove(bool arg);
+    void setRandomMove(bool enabled);
 
     // 上下翻转
     void flip();
@@ -239,9 +234,6 @@ private:
     // 是否必败时认输
     bool giveUpIfMostLose_ {false};
 
-    // AI 是否随机走子
-    bool randomMove_;
-
     // 定时器ID
     int timeID;