diff --git a/src/Algorithm/include/GraphPath.h b/src/Algorithm/include/GraphPath.h
index 1541043..d2eca80 100644
--- a/src/Algorithm/include/GraphPath.h
+++ b/src/Algorithm/include/GraphPath.h
@@ -28,11 +28,14 @@ class GraphPath final : public QObject {
 
     void DFSRecursiveVersion(std::vector<Point> &points, const QPixmap &pixmap, QPoint start, QPoint end);
 
-    void GBFS(std::vector<Point> &points, const QPixmap &pixmap, QPoint start, QPoint end);
+    void GBFS(std::vector<Point> &points, const QPixmap &pixmap, QPoint start, QPoint end,
+              bool useManhattan = false);
 
-    void Dijkstra(std::vector<Point> &points, const QPixmap &pixmap, QPoint start, QPoint end);
+    void Dijkstra(std::vector<Point> &points, const QPixmap &pixmap, QPoint start, QPoint end,
+                  bool useManhattan = false);
 
-    void aStar(std::vector<Point> &points, const QPixmap &pixmap, QPoint start, QPoint end);
+    void aStar(std::vector<Point> &points, const QPixmap &pixmap, QPoint start, QPoint end,
+               bool useManhattan = false);
 
 private:
     static GraphPath *instance;
diff --git a/src/Algorithm/src/GraphPath.cpp b/src/Algorithm/src/GraphPath.cpp
index f79e934..cfdbb1a 100644
--- a/src/Algorithm/src/GraphPath.cpp
+++ b/src/Algorithm/src/GraphPath.cpp
@@ -27,21 +27,19 @@ static constexpr auto visitPoint = [](const QRgb color) {
     return color == Config::getInstance()->getConfigField(WALL_COLOR);
 };
 static constexpr auto getManhattanDistance = [](const QPoint &start, const QPoint &end) {
-    return abs(start.x() - end.x()) + std::abs(start.y() - end.y());
+    return sc_double(abs(start.x() - end.x()) + std::abs(start.y() - end.y()));
 };
 static constexpr auto getEuclideanDistance = [](const QPoint &start, const QPoint &end) {
     return sqrt(std::pow(start.x() - end.x(), 2) + std::pow(start.y() - end.y(), 2));
 };
 
-template<typename T>
 struct StorePoint {
     QPoint point{invalidPoint};
-    T distance{-1};
+    double distance{-1};
 };
 
-template<typename T>
 struct StorePointCmp {
-    bool operator()(const StorePoint<T> &first, const StorePoint<T> &second) {
+    bool operator()(const StorePoint &first, const StorePoint &second) const {
         return first.distance > second.distance;
     }
 };
@@ -177,8 +175,7 @@ void GraphPath::DFSRecursiveVersion(std::vector<Point> &points, const QPixmap &p
 }
 
 void GraphPath::_DFSRecursiveVersion(std::vector<Point> &points, std::vector<Point> &path, QImage &image,
-                                     const QPoint start,
-                                     const QPoint end,
+                                     const QPoint start, const QPoint end,
                                      std::vector<std::vector<bool> > &vis) {
     if (returnFlag) return;
     if (start.x() == end.x() && start.y() == end.y()) {
@@ -201,17 +198,21 @@ void GraphPath::_DFSRecursiveVersion(std::vector<Point> &points, std::vector<Poi
     }
 }
 
-void GraphPath::GBFS(std::vector<Point> &points, const QPixmap &pixmap, const QPoint start, const QPoint end) {
+void GraphPath::GBFS(std::vector<Point> &points, const QPixmap &pixmap, const QPoint start,
+                     const QPoint end, const bool useManhattan) {
     LOG(INFO) << "GBFS search start";
     const QImage image = pixmap.toImage();
-    using Point = StorePoint<double>;
-    std::priority_queue<Point, std::vector<Point>, StorePointCmp<double> > queue;
+    double (*opt)(const QPoint &, const QPoint &) = getEuclideanDistance;
+    if (useManhattan) {
+        opt = getManhattanDistance;
+    }
+    std::priority_queue<StorePoint, std::vector<StorePoint>, StorePointCmp> queue;
     std::vector vis(pixmap.width(), std::vector(pixmap.height(), invalidPoint));
     TIMER_START
     if (visitPoint(image.pixel(start))) {
         goto EndFunc;
     }
-    queue.emplace(start, getEuclideanDistance(start, end));
+    queue.emplace(start, opt(start, end));
     while (!queue.empty()) {
         const QPoint temp = queue.top().point;
         queue.pop();
@@ -228,7 +229,7 @@ void GraphPath::GBFS(std::vector<Point> &points, const QPixmap &pixmap, const QP
                     continue;
                 }
                 points.emplace_back(tmp, SEARCHING_POINT_COLOR);
-                queue.emplace(tmp, getEuclideanDistance(tmp, end));
+                queue.emplace(tmp, opt(tmp, end));
             }
         }
     }
@@ -249,12 +250,16 @@ void GraphPath::GBFS(std::vector<Point> &points, const QPixmap &pixmap, const QP
     updateTime(time);
 }
 
-void GraphPath::Dijkstra(std::vector<Point> &points, const QPixmap &pixmap, const QPoint start, const QPoint end) {
+void GraphPath::Dijkstra(std::vector<Point> &points, const QPixmap &pixmap, const QPoint start,
+                         const QPoint end, const bool useManhattan) {
     LOG(INFO) << "Dijkstra search start";
     const QImage image = pixmap.toImage();
-    using DijkstraPoint = StorePoint<double>;
-    std::priority_queue<DijkstraPoint, std::vector<DijkstraPoint>, StorePointCmp<double> > queue;
-    std::vector vis(pixmap.width(), std::vector<DijkstraPoint>(pixmap.height()));
+    double (*opt)(const QPoint &, const QPoint &) = getEuclideanDistance;
+    if (useManhattan) {
+        opt = getManhattanDistance;
+    }
+    std::priority_queue<StorePoint, std::vector<StorePoint>, StorePointCmp> queue;
+    std::vector vis(pixmap.width(), std::vector<StorePoint>(pixmap.height()));
     std::vector startVis(pixmap.width(), std::vector(pixmap.height(), false));
     TIMER_START
     if (visitPoint(image.pixel(start))) {
@@ -279,9 +284,9 @@ void GraphPath::Dijkstra(std::vector<Point> &points, const QPixmap &pixmap, cons
             if (tmp.x() < 0 || tmp.x() >= image.width() || tmp.y() < 0 || tmp.y() >= image.height()) continue;
             if (!visitPoint(image.pixel(tmp)) &&
                 (vis[tmp.x()][tmp.y()].point == invalidPoint ||
-                 vis[tmp.x()][tmp.y()].distance > vis[temp.x()][temp.y()].distance + getEuclideanDistance(temp, tmp))) {
+                 vis[tmp.x()][tmp.y()].distance > vis[temp.x()][temp.y()].distance + opt(temp, tmp))) {
                 vis[tmp.x()][tmp.y()].point = temp;
-                vis[tmp.x()][tmp.y()].distance = vis[temp.x()][temp.y()].distance + getEuclideanDistance(temp, tmp);
+                vis[tmp.x()][tmp.y()].distance = vis[temp.x()][temp.y()].distance + opt(temp, tmp);
                 points.emplace_back(tmp, SEARCHING_POINT_COLOR);
                 queue.emplace(tmp, vis[tmp.x()][tmp.y()].distance);
             }
@@ -304,4 +309,5 @@ void GraphPath::Dijkstra(std::vector<Point> &points, const QPixmap &pixmap, cons
     updateTime(time);
 }
 
-void GraphPath::aStar(std::vector<Point> &points, const QPixmap &pixmap, const QPoint start, const QPoint end) {}
+void GraphPath::aStar(std::vector<Point> &points, const QPixmap &pixmap, const QPoint start, const QPoint end,
+                      const bool useManhattan) {}
diff --git a/src/Qt/include/ImageDisplay.h b/src/Qt/include/ImageDisplay.h
index 5d98726..60cec4c 100644
--- a/src/Qt/include/ImageDisplay.h
+++ b/src/Qt/include/ImageDisplay.h
@@ -36,6 +36,8 @@ namespace QT {
     public slots:
         void setSearchSequential(bool);
 
+        void setUseManhattan(bool);
+
         void searchPath(PathSearchMethod);
 
         void dealDestroy() const;
@@ -99,6 +101,7 @@ namespace QT {
         QTimer *timer = nullptr;
         int step = 0;
         bool searchSequential = true;
+        bool useManhattan = false;
     };
 }
 
diff --git a/src/Qt/src/ImageDisplay.cpp b/src/Qt/src/ImageDisplay.cpp
index 1d2dcde..aedf71d 100644
--- a/src/Qt/src/ImageDisplay.cpp
+++ b/src/Qt/src/ImageDisplay.cpp
@@ -82,6 +82,10 @@ namespace QT {
         this->searchSequential = searchSequential;
     }
 
+    void ImageDisplay::setUseManhattan(const bool useManhattan) {
+        this->useManhattan = useManhattan;
+    }
+
     void ImageDisplay::paintEvent(QPaintEvent *event) {
         QPainter painter(this);
         painter.drawPixmap(startPoint.x(), startPoint.y(),
@@ -228,7 +232,7 @@ namespace QT {
 
     void ImageDisplay::searchPath(const PathSearchMethod searchMethod) {
         thread = new SearchThread(searchMethod, currentImage, {sc_int(start.x()), sc_int(start.y())},
-                                  {sc_int(end.x()), sc_int(end.y())});
+                                  {sc_int(end.x()), sc_int(end.y())}, useManhattan);
         connect(thread, &SearchThread::threadFinishSignal, [this] {
             points.clear();
             points = std::move(thread->getResult());
diff --git a/src/Qt/src/MainWindow.cpp b/src/Qt/src/MainWindow.cpp
index 28e5f11..dc46543 100644
--- a/src/Qt/src/MainWindow.cpp
+++ b/src/Qt/src/MainWindow.cpp
@@ -23,6 +23,7 @@ namespace QT {
         connect(this, SIGNAL(searchPathSignal(PathSearchMethod)), ui->image, SLOT(searchPath(PathSearchMethod)));
         connect(this, SIGNAL(destroyThread()), ui->image, SLOT(dealDestroy()));
         connect(ui->showSearchPathCheckBox, SIGNAL(clicked(bool)), ui->image, SLOT(setSearchSequential(bool)));
+        connect(ui->useManhattanCheckBox, SIGNAL(clicked(bool)), ui->image, SLOT(setUseManhattan(bool)));
         connect(ui->searchDelaySlider, &QSlider::valueChanged, [this](const int value) {
             ui->searchDelaySpinBox->setValue(value);
             ui->image->setInterval(value);
diff --git a/src/Qt/ui/MainWindow.ui b/src/Qt/ui/MainWindow.ui
index f4c2e1c..31da9a2 100644
--- a/src/Qt/ui/MainWindow.ui
+++ b/src/Qt/ui/MainWindow.ui
@@ -20,37 +20,58 @@
       <property name="sizeConstraint">
        <enum>QLayout::SetDefaultConstraint</enum>
       </property>
-      <item row="4" column="0" colspan="2">
-       <widget class="QPushButton" name="clearPointsButton">
+      <item row="1" column="1">
+       <widget class="QLabel" name="startPointValueLabel">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+          <horstretch>2</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
         <property name="minimumSize">
          <size>
-          <width>150</width>
+          <width>0</width>
           <height>0</height>
          </size>
         </property>
         <property name="text">
-         <string>清空坐标</string>
+         <string>(0, 0)</string>
         </property>
        </widget>
       </item>
-      <item row="10" column="0" colspan="2">
-       <widget class="QPushButton" name="pathFindingButton">
-        <property name="text">
-         <string>开始寻路</string>
+      <item row="9" column="1">
+       <widget class="QSpinBox" name="searchDelaySpinBox">
+        <property name="minimum">
+         <number>1</number>
+        </property>
+        <property name="maximum">
+         <number>1000</number>
+        </property>
+        <property name="value">
+         <number>1</number>
         </property>
        </widget>
       </item>
-      <item row="5" column="0">
-       <widget class="QLabel" name="pathFindingLabel">
+      <item row="6" column="0" colspan="2">
+       <widget class="QCheckBox" name="showSearchPathCheckBox">
         <property name="text">
-         <string>寻路算法</string>
+         <string>按搜索顺序绘制路径</string>
+        </property>
+        <property name="checked">
+         <bool>true</bool>
         </property>
        </widget>
       </item>
-      <item row="12" column="0" colspan="2">
-       <widget class="QPushButton" name="repaintPathButton">
+      <item row="4" column="0" colspan="2">
+       <widget class="QPushButton" name="clearPointsButton">
+        <property name="minimumSize">
+         <size>
+          <width>150</width>
+          <height>0</height>
+         </size>
+        </property>
         <property name="text">
-         <string>重绘路径</string>
+         <string>清空坐标</string>
         </property>
        </widget>
       </item>
@@ -86,53 +107,89 @@
         </property>
        </widget>
       </item>
-      <item row="6" column="0" colspan="2">
-       <widget class="QCheckBox" name="showSearchPathCheckBox">
+      <item row="11" column="0" colspan="2">
+       <widget class="QPushButton" name="pathFindingButton">
         <property name="text">
-         <string>按搜索顺序绘制路径</string>
+         <string>开始寻路</string>
         </property>
-        <property name="checked">
-         <bool>true</bool>
+       </widget>
+      </item>
+      <item row="8" column="1">
+       <widget class="QLabel" name="searchCostValueLabel">
+        <property name="text">
+         <string>0s</string>
+        </property>
+       </widget>
+      </item>
+      <item row="5" column="0">
+       <widget class="QLabel" name="pathFindingLabel">
+        <property name="text">
+         <string>寻路算法</string>
+        </property>
+       </widget>
+      </item>
+      <item row="13" column="0" colspan="2">
+       <widget class="QPushButton" name="repaintPathButton">
+        <property name="text">
+         <string>重绘路径</string>
+        </property>
+       </widget>
+      </item>
+      <item row="9" column="0">
+       <widget class="QLabel" name="searchDelayLabel">
+        <property name="text">
+         <string>绘制延迟：</string>
         </property>
        </widget>
       </item>
-      <item row="7" column="0">
+      <item row="8" column="0">
        <widget class="QLabel" name="searchCostLabel">
         <property name="text">
          <string>寻路耗时：</string>
         </property>
        </widget>
       </item>
-      <item row="1" column="0">
-       <widget class="QLabel" name="startPointLabel">
+      <item row="2" column="1">
+       <widget class="QLabel" name="endPointValueLabel">
         <property name="sizePolicy">
          <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
-          <horstretch>1</horstretch>
+          <horstretch>2</horstretch>
           <verstretch>0</verstretch>
          </sizepolicy>
         </property>
-        <property name="minimumSize">
-         <size>
-          <width>0</width>
-          <height>23</height>
-         </size>
-        </property>
         <property name="text">
-         <string>开始坐标：</string>
+         <string>(0, 0)</string>
         </property>
        </widget>
       </item>
-      <item row="7" column="1">
-       <widget class="QLabel" name="searchCostValueLabel">
-        <property name="text">
-         <string>0s</string>
+      <item row="10" column="0" colspan="2">
+       <widget class="QSlider" name="searchDelaySlider">
+        <property name="minimum">
+         <number>1</number>
         </property>
-       </widget>
-      </item>
-      <item row="11" column="0" colspan="2">
-       <widget class="QPushButton" name="clearPathButton">
-        <property name="text">
-         <string>清空路径</string>
+        <property name="maximum">
+         <number>1000</number>
+        </property>
+        <property name="singleStep">
+         <number>1</number>
+        </property>
+        <property name="pageStep">
+         <number>100</number>
+        </property>
+        <property name="orientation">
+         <enum>Qt::Horizontal</enum>
+        </property>
+        <property name="invertedAppearance">
+         <bool>false</bool>
+        </property>
+        <property name="invertedControls">
+         <bool>false</bool>
+        </property>
+        <property name="tickPosition">
+         <enum>QSlider::TicksBelow</enum>
+        </property>
+        <property name="tickInterval">
+         <number>100</number>
         </property>
        </widget>
       </item>
@@ -170,118 +227,68 @@
         </item>
        </widget>
       </item>
-      <item row="1" column="1">
-       <widget class="QLabel" name="startPointValueLabel">
+      <item row="12" column="0" colspan="2">
+       <widget class="QPushButton" name="clearPathButton">
+        <property name="text">
+         <string>清空路径</string>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="0">
+       <widget class="QLabel" name="endPointLabel">
         <property name="sizePolicy">
          <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
-          <horstretch>2</horstretch>
+          <horstretch>1</horstretch>
           <verstretch>0</verstretch>
          </sizepolicy>
         </property>
         <property name="minimumSize">
          <size>
           <width>0</width>
-          <height>0</height>
-         </size>
-        </property>
-        <property name="text">
-         <string>(0, 0)</string>
-        </property>
-       </widget>
-      </item>
-      <item row="3" column="0" colspan="2">
-       <widget class="QPushButton" name="openImageButton">
-        <property name="minimumSize">
-         <size>
-          <width>150</width>
           <height>23</height>
          </size>
         </property>
         <property name="text">
-         <string>打开图片</string>
-        </property>
-       </widget>
-      </item>
-      <item row="8" column="0">
-       <widget class="QLabel" name="searchDelayLabel">
-        <property name="text">
-         <string>绘制延迟：</string>
-        </property>
-       </widget>
-      </item>
-      <item row="8" column="1">
-       <widget class="QSpinBox" name="searchDelaySpinBox">
-        <property name="minimum">
-         <number>1</number>
-        </property>
-        <property name="maximum">
-         <number>1000</number>
-        </property>
-        <property name="value">
-         <number>1</number>
+         <string>结束坐标：</string>
         </property>
        </widget>
       </item>
-      <item row="2" column="1">
-       <widget class="QLabel" name="endPointValueLabel">
+      <item row="1" column="0">
+       <widget class="QLabel" name="startPointLabel">
         <property name="sizePolicy">
          <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
-          <horstretch>2</horstretch>
+          <horstretch>1</horstretch>
           <verstretch>0</verstretch>
          </sizepolicy>
         </property>
-        <property name="text">
-         <string>(0, 0)</string>
-        </property>
-       </widget>
-      </item>
-      <item row="9" column="0" colspan="2">
-       <widget class="QSlider" name="searchDelaySlider">
-        <property name="minimum">
-         <number>1</number>
-        </property>
-        <property name="maximum">
-         <number>1000</number>
-        </property>
-        <property name="singleStep">
-         <number>1</number>
-        </property>
-        <property name="pageStep">
-         <number>100</number>
-        </property>
-        <property name="orientation">
-         <enum>Qt::Horizontal</enum>
-        </property>
-        <property name="invertedAppearance">
-         <bool>false</bool>
-        </property>
-        <property name="invertedControls">
-         <bool>false</bool>
-        </property>
-        <property name="tickPosition">
-         <enum>QSlider::TicksBelow</enum>
+        <property name="minimumSize">
+         <size>
+          <width>0</width>
+          <height>23</height>
+         </size>
         </property>
-        <property name="tickInterval">
-         <number>100</number>
+        <property name="text">
+         <string>开始坐标：</string>
         </property>
        </widget>
       </item>
-      <item row="2" column="0">
-       <widget class="QLabel" name="endPointLabel">
-        <property name="sizePolicy">
-         <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
-          <horstretch>1</horstretch>
-          <verstretch>0</verstretch>
-         </sizepolicy>
-        </property>
+      <item row="3" column="0" colspan="2">
+       <widget class="QPushButton" name="openImageButton">
         <property name="minimumSize">
          <size>
-          <width>0</width>
+          <width>150</width>
           <height>23</height>
          </size>
         </property>
         <property name="text">
-         <string>结束坐标：</string>
+         <string>打开图片</string>
+        </property>
+       </widget>
+      </item>
+      <item row="7" column="0" colspan="2">
+       <widget class="QCheckBox" name="useManhattanCheckBox">
+        <property name="text">
+         <string>使用霍夫曼距离</string>
         </property>
        </widget>
       </item>
@@ -452,8 +459,8 @@
    <slot>findPath()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>139</x>
-     <y>331</y>
+     <x>149</x>
+     <y>362</y>
     </hint>
     <hint type="destinationlabel">
      <x>166</x>
@@ -468,8 +475,8 @@
    <slot>clearPath()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>97</x>
-     <y>352</y>
+     <x>107</x>
+     <y>391</y>
     </hint>
     <hint type="destinationlabel">
      <x>167</x>
@@ -484,8 +491,8 @@
    <slot>repaintPath()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>115</x>
-     <y>381</y>
+     <x>125</x>
+     <y>420</y>
     </hint>
     <hint type="destinationlabel">
      <x>216</x>
diff --git a/src/Thread/include/SearchThread.h b/src/Thread/include/SearchThread.h
index e6777a4..2da0e0a 100644
--- a/src/Thread/include/SearchThread.h
+++ b/src/Thread/include/SearchThread.h
@@ -15,7 +15,7 @@
 class SearchThread final : public Thread {
 public:
     SearchThread(const PathSearchMethod &method, const QPixmap &pixmap, const QPoint &start,
-                 const QPoint &end, QObject *parent = nullptr);
+                 const QPoint &end, bool useManhattan = false, QObject *parent = nullptr);
 
     [[nodiscard]] std::vector<Point> &getResult();
 
@@ -36,6 +36,7 @@ class SearchThread final : public Thread {
     const QPixmap &pixmap;
     QPoint start;
     QPoint end;
+    bool useManhattan;
 };
 
 #endif
diff --git a/src/Thread/src/SearchThread.cpp b/src/Thread/src/SearchThread.cpp
index 416ce67..66f7033 100644
--- a/src/Thread/src/SearchThread.cpp
+++ b/src/Thread/src/SearchThread.cpp
@@ -13,8 +13,8 @@
 #include <GraphPath.h>
 
 SearchThread::SearchThread(const PathSearchMethod &method, const QPixmap &pixmap, const QPoint &start,
-                           const QPoint &end, QObject *const parent):
-    Thread{parent}, searchMethod{method}, pixmap{pixmap}, start{start}, end{end} {}
+                           const QPoint &end, const bool useManhattan, QObject *const parent):
+    Thread{parent}, searchMethod{method}, pixmap{pixmap}, start{start}, end{end}, useManhattan{useManhattan} {}
 
 std::vector<Point> &SearchThread::getResult() {
     return result;
@@ -28,9 +28,9 @@ void SearchThread::execute() {
             break;
         case BFS: GraphPath::getInstance()->BFS(result, pixmap, start, end);
             break;
-        case GBFS: GraphPath::getInstance()->GBFS(result, pixmap, start, end);
+        case GBFS: GraphPath::getInstance()->GBFS(result, pixmap, start, end, useManhattan);
             break;
-        case DIJKSTRA: GraphPath::getInstance()->Dijkstra(result, pixmap, start, end);
+        case DIJKSTRA: GraphPath::getInstance()->Dijkstra(result, pixmap, start, end, useManhattan);
             break;
         case A_STAR: break;
         default: break;