diff --git a/src/main/kotlin/app/termora/HostTerminalTab.kt b/src/main/kotlin/app/termora/HostTerminalTab.kt
index 25afa35..16267a1 100644
--- a/src/main/kotlin/app/termora/HostTerminalTab.kt
+++ b/src/main/kotlin/app/termora/HostTerminalTab.kt
@@ -13,7 +13,7 @@ import javax.swing.Icon
 abstract class HostTerminalTab(
     val windowScope: WindowScope,
     val host: Host,
-    protected val terminal: Terminal = TerminalFactory.getInstance(windowScope).createTerminal()
+    protected val terminal: Terminal = TerminalFactory.getInstance().createTerminal()
 ) : PropertyTerminalTab(), DataProvider {
     companion object {
         val Host = DataKey(app.termora.Host::class)
diff --git a/src/main/kotlin/app/termora/LocalTerminalTab.kt b/src/main/kotlin/app/termora/LocalTerminalTab.kt
index d10a123..93d1df1 100644
--- a/src/main/kotlin/app/termora/LocalTerminalTab.kt
+++ b/src/main/kotlin/app/termora/LocalTerminalTab.kt
@@ -9,7 +9,7 @@ class LocalTerminalTab(windowScope: WindowScope, host: Host) :
 
     override suspend fun openPtyConnector(): PtyConnector {
         val winSize = terminalPanel.winSize()
-        val ptyConnector = PtyConnectorFactory.getInstance(windowScope).createPtyConnector(
+        val ptyConnector = PtyConnectorFactory.getInstance().createPtyConnector(
             winSize.rows, winSize.cols,
             host.options.envs(),
             Charsets.toCharset(host.options.encoding, StandardCharsets.UTF_8),
diff --git a/src/main/kotlin/app/termora/MultiplePtyConnector.kt b/src/main/kotlin/app/termora/MultiplePtyConnector.kt
index dcb8928..db4245e 100644
--- a/src/main/kotlin/app/termora/MultiplePtyConnector.kt
+++ b/src/main/kotlin/app/termora/MultiplePtyConnector.kt
@@ -14,9 +14,7 @@ class MultiplePtyConnector(
 
     private val isMultiple get() = ActionManager.getInstance().isSelected(Actions.MULTIPLE)
     private val ptyConnectors
-        get() = ApplicationScope.forApplicationScope()
-            .windowScopes().map { PtyConnectorFactory.getInstance(it).getPtyConnectors() }
-            .flatten()
+        get() = PtyConnectorFactory.getInstance().getPtyConnectors()
 
     override fun write(buffer: ByteArray, offset: Int, len: Int) {
         if (isMultiple) {
diff --git a/src/main/kotlin/app/termora/MyTabbedPane.kt b/src/main/kotlin/app/termora/MyTabbedPane.kt
index 61a7663..872d8d2 100644
--- a/src/main/kotlin/app/termora/MyTabbedPane.kt
+++ b/src/main/kotlin/app/termora/MyTabbedPane.kt
@@ -1,7 +1,6 @@
 package app.termora
 
 import app.termora.actions.AnActionEvent
-import app.termora.actions.DataProvider
 import app.termora.actions.DataProviders
 import com.formdev.flatlaf.extras.components.FlatTabbedPane
 import org.apache.commons.lang3.StringUtils
@@ -237,11 +236,8 @@ class MyTabbedPane : FlatTabbedPane() {
 
         private fun dragToAnotherWindow(oldFrame: TermoraFrame, frame: TermoraFrame) {
             val tab = this.terminalTab ?: return
-            val terminalPanel = (tab as DataProvider?)?.getData(DataProviders.TerminalPanel) ?: return
             val tabbedManager = frame.getData(DataProviders.TerminalTabbed) ?: return
             val tabbedPane = frame.getData(DataProviders.TabbedPane) ?: return
-            val windowScope = frame.getData(DataProviders.WindowScope) ?: return
-            val oldWindowScope = oldFrame.getData(DataProviders.WindowScope) ?: return
             val location = Point(MouseInfo.getPointerInfo().location)
             SwingUtilities.convertPointFromScreen(location, tabbedPane)
             val index = tabbedPane.indexAtLocation(location.x, location.y)
@@ -253,11 +249,6 @@ class MyTabbedPane : FlatTabbedPane() {
                 index
             )
 
-            TerminalPanelFactory.getInstance(oldWindowScope).removeTerminalPanel(terminalPanel)
-            TerminalPanelFactory.getInstance(windowScope).addTerminalPanel(terminalPanel)
-
-
-
             if (frame.hasFocus()) {
                 return
             }
diff --git a/src/main/kotlin/app/termora/PtyConnectorFactory.kt b/src/main/kotlin/app/termora/PtyConnectorFactory.kt
index 43b39a3..1c51f3b 100644
--- a/src/main/kotlin/app/termora/PtyConnectorFactory.kt
+++ b/src/main/kotlin/app/termora/PtyConnectorFactory.kt
@@ -18,8 +18,8 @@ class PtyConnectorFactory : Disposable {
 
     companion object {
         private val log = LoggerFactory.getLogger(PtyConnectorFactory::class.java)
-        fun getInstance(scope: Scope): PtyConnectorFactory {
-            return scope.getOrCreate(PtyConnectorFactory::class) { PtyConnectorFactory() }
+        fun getInstance(): PtyConnectorFactory {
+            return ApplicationScope.forApplicationScope().getOrCreate(PtyConnectorFactory::class) { PtyConnectorFactory() }
         }
     }
 
diff --git a/src/main/kotlin/app/termora/PtyHostTerminalTab.kt b/src/main/kotlin/app/termora/PtyHostTerminalTab.kt
index 9e9b6cc..267cfef 100644
--- a/src/main/kotlin/app/termora/PtyHostTerminalTab.kt
+++ b/src/main/kotlin/app/termora/PtyHostTerminalTab.kt
@@ -13,7 +13,7 @@ import kotlin.time.Duration.Companion.milliseconds
 abstract class PtyHostTerminalTab(
     windowScope: WindowScope,
     host: Host,
-    terminal: Terminal = TerminalFactory.getInstance(windowScope).createTerminal()
+    terminal: Terminal = TerminalFactory.getInstance().createTerminal()
 ) : HostTerminalTab(windowScope, host, terminal) {
 
     companion object {
@@ -24,10 +24,10 @@ abstract class PtyHostTerminalTab(
     private var readerJob: Job? = null
     private val ptyConnectorDelegate = PtyConnectorDelegate()
 
-    private val terminalPanelFactory = TerminalPanelFactory.getInstance(windowScope)
+    private val terminalPanelFactory = TerminalPanelFactory.getInstance()
     protected val terminalPanel = terminalPanelFactory.createTerminalPanel(terminal, ptyConnectorDelegate)
         .apply { Disposer.register(this@PtyHostTerminalTab, this) }
-    protected val ptyConnectorFactory get() = PtyConnectorFactory.getInstance(windowScope)
+    protected val ptyConnectorFactory get() = PtyConnectorFactory.getInstance()
 
     init {
         terminal.getTerminalModel().setData(DataKey.PtyConnector, ptyConnectorDelegate)
diff --git a/src/main/kotlin/app/termora/SettingsOptionsPane.kt b/src/main/kotlin/app/termora/SettingsOptionsPane.kt
index 6476b3c..92cfcde 100644
--- a/src/main/kotlin/app/termora/SettingsOptionsPane.kt
+++ b/src/main/kotlin/app/termora/SettingsOptionsPane.kt
@@ -340,7 +340,7 @@ class SettingsOptionsPane : OptionsPane() {
             floatingToolbarComboBox.addItemListener { e ->
                 if (e.stateChange == ItemEvent.SELECTED) {
                     terminalSetting.floatingToolbar = floatingToolbarComboBox.selectedItem as Boolean
-                    TerminalPanelFactory.getAllTerminalPanel().forEach { tp ->
+                    TerminalPanelFactory.getInstance().getTerminalPanels().forEach { tp ->
                         if (terminalSetting.floatingToolbar && FloatingToolbarPanel.isPined) {
                             tp.getData(FloatingToolbarPanel.FloatingToolbar)?.triggerShow()
                         } else {
@@ -369,7 +369,7 @@ class SettingsOptionsPane : OptionsPane() {
                 if (it.stateChange == ItemEvent.SELECTED) {
                     val style = cursorStyleComboBox.selectedItem as CursorStyle
                     terminalSetting.cursor = style
-                    TerminalFactory.getInstance(ApplicationScope.forWindowScope(owner)).getTerminals().forEach { e ->
+                    TerminalFactory.getInstance().getTerminals().forEach { e ->
                         e.getTerminalModel().setData(DataKey.CursorStyle, style)
                     }
                 }
@@ -379,7 +379,7 @@ class SettingsOptionsPane : OptionsPane() {
             debugComboBox.addItemListener { e ->
                 if (e.stateChange == ItemEvent.SELECTED) {
                     terminalSetting.debug = debugComboBox.selectedItem as Boolean
-                    TerminalFactory.getInstance(ApplicationScope.forWindowScope(owner)).getTerminals().forEach {
+                    TerminalFactory.getInstance().getTerminals().forEach {
                         it.getTerminalModel().setData(TerminalPanel.Debug, terminalSetting.debug)
                     }
                 }
@@ -408,10 +408,8 @@ class SettingsOptionsPane : OptionsPane() {
         }
 
         private fun fireFontChanged() {
-            ApplicationScope.windowScopes().forEach {
-                TerminalPanelFactory.getInstance(it)
+                TerminalPanelFactory.getInstance()
                     .fireResize()
-            }
         }
 
         private fun initView() {
diff --git a/src/main/kotlin/app/termora/TerminalFactory.kt b/src/main/kotlin/app/termora/TerminalFactory.kt
index 0892c50..a2ea1d4 100644
--- a/src/main/kotlin/app/termora/TerminalFactory.kt
+++ b/src/main/kotlin/app/termora/TerminalFactory.kt
@@ -10,8 +10,8 @@ class TerminalFactory private constructor() : Disposable {
     private val terminals = mutableListOf<Terminal>()
 
     companion object {
-        fun getInstance(scope: WindowScope): TerminalFactory {
-            return scope.getOrCreate(TerminalFactory::class) { TerminalFactory() }
+        fun getInstance(): TerminalFactory {
+            return ApplicationScope.forApplicationScope().getOrCreate(TerminalFactory::class) { TerminalFactory() }
         }
     }
 
diff --git a/src/main/kotlin/app/termora/TerminalPanelFactory.kt b/src/main/kotlin/app/termora/TerminalPanelFactory.kt
index 1031f34..9a81c56 100644
--- a/src/main/kotlin/app/termora/TerminalPanelFactory.kt
+++ b/src/main/kotlin/app/termora/TerminalPanelFactory.kt
@@ -19,14 +19,9 @@ class TerminalPanelFactory : Disposable {
 
         private val Factory = DataKey(TerminalPanelFactory::class)
 
-        fun getInstance(scope: Scope): TerminalPanelFactory {
-            return scope.getOrCreate(TerminalPanelFactory::class) { TerminalPanelFactory() }
-        }
-
-        fun getAllTerminalPanel(): Array<TerminalPanel> {
-            return ApplicationScope.forApplicationScope().windowScopes()
-                .map { getInstance(it) }
-                .flatMap { it.terminalPanels }.toTypedArray()
+        fun getInstance(): TerminalPanelFactory {
+            return ApplicationScope.forApplicationScope()
+                .getOrCreate(TerminalPanelFactory::class) { TerminalPanelFactory() }
         }
     }
 
@@ -97,10 +92,7 @@ class TerminalPanelFactory : Disposable {
             coroutineScope.launch {
                 while (coroutineScope.isActive) {
                     delay(500.milliseconds)
-                    SwingUtilities.invokeLater {
-                        ApplicationScope.forApplicationScope().windowScopes()
-                            .map { getInstance(it) }.forEach { it.repaintAll() }
-                    }
+                    SwingUtilities.invokeLater { TerminalPanelFactory.getInstance().repaintAll() }
                 }
             }
         }
diff --git a/src/main/kotlin/app/termora/actions/MultipleAction.kt b/src/main/kotlin/app/termora/actions/MultipleAction.kt
index 9a28835..35bfeef 100644
--- a/src/main/kotlin/app/termora/actions/MultipleAction.kt
+++ b/src/main/kotlin/app/termora/actions/MultipleAction.kt
@@ -1,6 +1,8 @@
 package app.termora.actions
 
-import app.termora.*
+import app.termora.I18n
+import app.termora.Icons
+import app.termora.TerminalPanelFactory
 
 class MultipleAction : AnAction(
     I18n.getString("termora.tools.multiple"),
@@ -11,7 +13,6 @@ class MultipleAction : AnAction(
     }
 
     override fun actionPerformed(evt: AnActionEvent) {
-        ApplicationScope.windowScopes().map { TerminalPanelFactory.getInstance(it) }
-            .forEach { it.repaintAll() }
+        TerminalPanelFactory.getInstance().repaintAll()
     }
 }
\ No newline at end of file
diff --git a/src/main/kotlin/app/termora/actions/TerminalZoomAction.kt b/src/main/kotlin/app/termora/actions/TerminalZoomAction.kt
index 6764bc1..0420708 100644
--- a/src/main/kotlin/app/termora/actions/TerminalZoomAction.kt
+++ b/src/main/kotlin/app/termora/actions/TerminalZoomAction.kt
@@ -1,6 +1,5 @@
 package app.termora.actions
 
-import app.termora.ApplicationScope
 import app.termora.Database
 import app.termora.TerminalPanelFactory
 
@@ -13,10 +12,8 @@ abstract class TerminalZoomAction : AnAction() {
         evt.getData(DataProviders.TerminalPanel) ?: return
 
         if (zoom()) {
-            ApplicationScope.windowScopes().forEach {
-                TerminalPanelFactory.getInstance(it)
+                TerminalPanelFactory.getInstance()
                     .fireResize()
-            }
             evt.consume()
         }
     }
diff --git a/src/main/kotlin/app/termora/highlight/ChooseColorTemplateDialog.kt b/src/main/kotlin/app/termora/highlight/ChooseColorTemplateDialog.kt
index 7890abf..2c52a87 100644
--- a/src/main/kotlin/app/termora/highlight/ChooseColorTemplateDialog.kt
+++ b/src/main/kotlin/app/termora/highlight/ChooseColorTemplateDialog.kt
@@ -1,6 +1,5 @@
 package app.termora.highlight
 
-import app.termora.ApplicationScope
 import app.termora.DialogWrapper
 import app.termora.TerminalFactory
 import com.formdev.flatlaf.util.SystemInfo
@@ -31,7 +30,7 @@ class ChooseColorTemplateDialog(owner: Window, title: String) : DialogWrapper(ow
 
     override fun createCenterPanel(): JComponent {
         val panel = JPanel(GridLayout(2, 8, 4, 4))
-        val colorPalette = TerminalFactory.getInstance(ApplicationScope.forWindowScope(this))
+        val colorPalette = TerminalFactory.getInstance()
             .createTerminal().getTerminalModel().getColorPalette()
         for (i in 1..16) {
             val c = JPanel()
diff --git a/src/main/kotlin/app/termora/highlight/KeywordHighlightDialog.kt b/src/main/kotlin/app/termora/highlight/KeywordHighlightDialog.kt
index 6d3994b..f8099cd 100644
--- a/src/main/kotlin/app/termora/highlight/KeywordHighlightDialog.kt
+++ b/src/main/kotlin/app/termora/highlight/KeywordHighlightDialog.kt
@@ -21,7 +21,7 @@ class KeywordHighlightDialog(owner: Window) : DialogWrapper(owner) {
     private val table = FlatTable()
     private val keywordHighlightManager by lazy { KeywordHighlightManager.getInstance() }
     private val colorPalette by lazy {
-        TerminalFactory.getInstance(ApplicationScope.forWindowScope(this)).createTerminal().getTerminalModel()
+        TerminalFactory.getInstance().createTerminal().getTerminalModel()
             .getColorPalette()
     }
 
diff --git a/src/main/kotlin/app/termora/highlight/KeywordHighlightManager.kt b/src/main/kotlin/app/termora/highlight/KeywordHighlightManager.kt
index 60f9ca1..9866e96 100644
--- a/src/main/kotlin/app/termora/highlight/KeywordHighlightManager.kt
+++ b/src/main/kotlin/app/termora/highlight/KeywordHighlightManager.kt
@@ -1,8 +1,8 @@
 package app.termora.highlight
 
 import app.termora.ApplicationScope
-import app.termora.TerminalPanelFactory
 import app.termora.Database
+import app.termora.TerminalPanelFactory
 import org.slf4j.LoggerFactory
 
 class KeywordHighlightManager private constructor() {
@@ -27,7 +27,7 @@ class KeywordHighlightManager private constructor() {
     fun addKeywordHighlight(keywordHighlight: KeywordHighlight) {
         database.addKeywordHighlight(keywordHighlight)
         keywordHighlights[keywordHighlight.id] = keywordHighlight
-        ApplicationScope.windowScopes().forEach { TerminalPanelFactory.getInstance(it).repaintAll() }
+        TerminalPanelFactory.getInstance().repaintAll()
 
         if (log.isDebugEnabled) {
             log.debug("Keyword highlighter added. {}", keywordHighlight)
@@ -37,7 +37,7 @@ class KeywordHighlightManager private constructor() {
     fun removeKeywordHighlight(id: String) {
         database.removeKeywordHighlight(id)
         keywordHighlights.remove(id)
-        ApplicationScope.windowScopes().forEach { TerminalPanelFactory.getInstance(it).repaintAll() }
+        TerminalPanelFactory.getInstance().repaintAll()
 
         if (log.isDebugEnabled) {
             log.debug("Keyword highlighter removed. {}", id)
diff --git a/src/main/kotlin/app/termora/keymgr/KeyManagerPanel.kt b/src/main/kotlin/app/termora/keymgr/KeyManagerPanel.kt
index 2ef74b1..f0cbc48 100644
--- a/src/main/kotlin/app/termora/keymgr/KeyManagerPanel.kt
+++ b/src/main/kotlin/app/termora/keymgr/KeyManagerPanel.kt
@@ -4,7 +4,6 @@ import app.termora.*
 import app.termora.AES.decodeBase64
 import app.termora.actions.AnAction
 import app.termora.actions.AnActionEvent
-import app.termora.actions.DataProviders
 import app.termora.native.FileChooser
 import com.formdev.flatlaf.extras.components.FlatComboBox
 import com.formdev.flatlaf.extras.components.FlatTable
@@ -196,7 +195,6 @@ class KeyManagerPanel : JPanel(BorderLayout()) {
     }
 
     private fun sshCopyId(evt: AnActionEvent) {
-        val windowScope = evt.getData(DataProviders.WindowScope) ?: return
         val keyPairs = keyPairTable.selectedRows.map { keyPairTableModel.getOhKeyPair(it) }
         val publicKeys = mutableListOf<Pair<String, String>>()
         for (keyPair in keyPairs) {
@@ -220,7 +218,7 @@ class KeyManagerPanel : JPanel(BorderLayout()) {
             return
         }
 
-        SSHCopyIdDialog(owner, windowScope, hosts, publicKeys).start()
+        SSHCopyIdDialog(owner, hosts, publicKeys).start()
     }
 
     private fun exportKeyPairs(file: File, keyPairs: List<OhKeyPair>) {
diff --git a/src/main/kotlin/app/termora/keymgr/SSHCopyIdDialog.kt b/src/main/kotlin/app/termora/keymgr/SSHCopyIdDialog.kt
index 4039d9e..f7a3e15 100644
--- a/src/main/kotlin/app/termora/keymgr/SSHCopyIdDialog.kt
+++ b/src/main/kotlin/app/termora/keymgr/SSHCopyIdDialog.kt
@@ -23,7 +23,6 @@ import javax.swing.UIManager
 
 class SSHCopyIdDialog(
     owner: Window,
-    private val windowScope: WindowScope,
     private val hosts: List<Host>,
     // key: name , value: public key
     private val publicKeys: List<Pair<String, String>>,
@@ -33,9 +32,9 @@ class SSHCopyIdDialog(
         private val log = LoggerFactory.getLogger(SSHCopyIdDialog::class.java)
     }
 
-    private val terminalPanelFactory = TerminalPanelFactory.getInstance(windowScope)
+    private val terminalPanelFactory = TerminalPanelFactory.getInstance()
     private val terminal by lazy {
-        TerminalFactory.getInstance(windowScope).createTerminal().apply {
+        TerminalFactory.getInstance().createTerminal().apply {
             getTerminalModel().setData(DataKey.ShowCursor, false)
             getTerminalModel().setData(DataKey.AutoNewline, true)
         }
diff --git a/src/main/kotlin/app/termora/terminal/panel/FloatingToolbarPanel.kt b/src/main/kotlin/app/termora/terminal/panel/FloatingToolbarPanel.kt
index e0ab15b..71d8739 100644
--- a/src/main/kotlin/app/termora/terminal/panel/FloatingToolbarPanel.kt
+++ b/src/main/kotlin/app/termora/terminal/panel/FloatingToolbarPanel.kt
@@ -41,13 +41,13 @@ class FloatingToolbarPanel : FlatToolBar(), Disposable {
                     actionListeners.forEach { it.actionPerformed(evt) }
 
                     if (isSelected) {
-                        TerminalPanelFactory.getAllTerminalPanel().forEach {
+                        TerminalPanelFactory.getInstance().getTerminalPanels().forEach {
                             it.getData(FloatingToolbar)?.triggerShow()
                         }
                     } else {
                         // 触发者的不隐藏
                         val c = evt.getData(FloatingToolbar)
-                        TerminalPanelFactory.getAllTerminalPanel().forEach {
+                        TerminalPanelFactory.getInstance().getTerminalPanels().forEach {
                             val e = it.getData(FloatingToolbar)
                             if (c != e) {
                                 e?.triggerHide()