diff --git a/frame/util/docksettings.cpp b/frame/util/docksettings.cpp
index f774066b4..112ce7254 100644
--- a/frame/util/docksettings.cpp
+++ b/frame/util/docksettings.cpp
@@ -507,9 +507,8 @@ void DockSettings::updateFrontendGeometry()
     resetFrontendGeometry();
 }
 
-void DockSettings::setDockScreen(const QString &scrName)
+bool DockSettings::setDockScreen(const QString &scrName)
 {
-    m_isMouseMoveCause = true;
     QList<Monitor*> monitors = m_monitors.keys();
     for (Monitor *monitor : monitors) {
         if (monitor && monitor->name() == scrName) {
@@ -517,6 +516,25 @@ void DockSettings::setDockScreen(const QString &scrName)
             break;
         }
     }
+
+    bool canBeDock = false;
+    switch (m_position) {
+    case Top:
+        canBeDock = m_mouseCauseDockScreen->dockPosition().topDock;
+        break;
+    case Right:
+        canBeDock = m_mouseCauseDockScreen->dockPosition().rightDock;
+        break;
+    case Bottom:
+        canBeDock = m_mouseCauseDockScreen->dockPosition().bottomDock;
+        break;
+    case Left:
+        canBeDock = m_mouseCauseDockScreen->dockPosition().leftDock;
+        break;
+    }
+    m_isMouseMoveCause = canBeDock;
+
+    return canBeDock;
 }
 
 void DockSettings::onOpacityChanged(const double value)
diff --git a/frame/util/docksettings.h b/frame/util/docksettings.h
index 954a12d95..ff83678b6 100644
--- a/frame/util/docksettings.h
+++ b/frame/util/docksettings.h
@@ -73,7 +73,7 @@ public:
     void showDockSettingsMenu();
     void updateFrontendGeometry();
 
-    void setDockScreen(const QString &scrName);
+    bool setDockScreen(const QString &scrName);
     QString &currentDockScreen() { return m_currentScreen; }
     
     QSize m_mainWindowSize;
diff --git a/frame/window/mainwindow.cpp b/frame/window/mainwindow.cpp
index bb289b862..4bc2b1580 100755
--- a/frame/window/mainwindow.cpp
+++ b/frame/window/mainwindow.cpp
@@ -1049,8 +1049,8 @@ void MainWindow::onRegionMonitorChanged(int x, int y, const QString &key)
     } else {
         // 移动Dock至相应屏相应位置
         m_mouseCauseDock = true;
-        m_settings->setDockScreen(screen->name());
-        positionChanged(m_curDockPos, m_curDockPos);
+        if (m_settings->setDockScreen(screen->name()))
+            positionChanged(m_curDockPos, m_curDockPos);
     }
 }