diff --git a/QtNovelDesc.pro.user b/QtNovelDesc.pro.user
index d7dd0de..2a8bdde 100644
--- a/QtNovelDesc.pro.user
+++ b/QtNovelDesc.pro.user
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 4.15.0, 2023-08-27T12:04:44. -->
+<!-- Written by QtCreator 4.15.0, 2023-08-29T08:41:33. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>
diff --git a/WordsIDE/DocsManager.h b/WordsIDE/DocsManager.h
index 4465e08..38b3831 100644
--- a/WordsIDE/DocsManager.h
+++ b/WordsIDE/DocsManager.h
@@ -43,13 +43,6 @@ namespace Components {
         explicit FilePresent(QObject *parent = nullptr);
         virtual ~FilePresent() = default;
 
-        enum class Feature {
-            HighLight = 0x01,
-            Compile = 0x02,
-        };
-        Q_DECLARE_FLAGS(Features, Feature)
-        virtual Features features() = 0;
-
         virtual Core::Route accessPath() const = 0;
 
         /**
@@ -97,7 +90,6 @@ namespace Components {
          */
         void dataChanged(const QString &filePath);
     };
-    Q_DECLARE_OPERATORS_FOR_FLAGS(FilePresent::Features);
 
     class PresentFactory : public QObject {
     public:
diff --git a/WordsIDE/WordsIDE.pro b/WordsIDE/WordsIDE.pro
index 6f365fe..15cfdb4 100644
--- a/WordsIDE/WordsIDE.pro
+++ b/WordsIDE/WordsIDE.pro
@@ -35,7 +35,7 @@ SOURCES += \
     srcedit_storyboard.cpp \
     tools.cpp \
     viewstackedbar.cpp \
-    vsessionmaintenance.cpp \
+    vsession.cpp \
     welcomepanel.cpp \
     xapp.cpp
 
@@ -57,7 +57,7 @@ HEADERS += \
     srcedit_storyboard.h \
     tools.h \
     viewstackedbar.h \
-    vsessionmaintenance.h \
+    vsession.h \
     welcomepanel.h \
     xapp.h
 
diff --git a/WordsIDE/command_list.cpp b/WordsIDE/command_list.cpp
index 0a96a9f..4930e60 100644
--- a/WordsIDE/command_list.cpp
+++ b/WordsIDE/command_list.cpp
@@ -7,6 +7,23 @@ using namespace CommandList;
 using namespace Components;
 using namespace Core;
 
+NewProject::NewProject(const QDir &dir, const QString &name) : dir_symbo(dir), name_val(name) {}
+
+QString NewProject::name() const { return NAME(NewProject); }
+
+void NewProject::run(Schedule::CommandsDispatcher *core) const {
+    auto vmgr = core->get<DocumentsManager>(NAME(DocumentsManager));
+    vmgr->projectManager()->newProject(dir_symbo.absolutePath(), name_val);
+}
+
+QString NewProject::toText() const { return QString("%1:%2").arg(dir_symbo.absolutePath(), name_val); }
+
+void NewProject::fromText(const QString &line) {
+    auto list = line.split(":");
+    dir_symbo = QDir(list[0]);
+    name_val = list[1];
+}
+
 NewPackage::NewPackage(const QString &path_string)
 {
     sequence = path_string.split("/");
@@ -137,39 +154,7 @@ QString CloseProject::toText() const { return ""; }
 
 void CloseProject::fromText(const QString &line) {}
 
-NewProject::NewProject(const QDir &dir, const QString &name)
-    : dir_symbo(dir), name_val(name)
-{
-
-}
-
-QString NewProject::name() const
-{
-    return NAME(NewProject);
-}
-
-void NewProject::run(Schedule::CommandsDispatcher *core) const
-{
-    auto vmgr = core->get<DocumentsManager>(NAME(DocumentsManager));
-    vmgr->projectManager()->newProject(dir_symbo.absolutePath(), name_val);
-}
-
-QString NewProject::toText() const
-{
-    return QString("%1:%2").arg(dir_symbo.absolutePath(), name_val);
-}
-
-void NewProject::fromText(const QString &line)
-{
-    auto list = line.split(":");
-    dir_symbo = QDir(list[0]);
-    name_val = list[1];
-}
-
-OpenFile::OpenFile(const Core::Route &path_node)
-{
-    path_store = path_node.links();
-}
+OpenFile::OpenFile(const Core::Route &path_node) { path_store = path_node.links(); }
 
 OpenFile::OpenFile(const QFileInfo &file_path)
 {
diff --git a/WordsIDE/command_list.h b/WordsIDE/command_list.h
index a79c9c8..9009d81 100644
--- a/WordsIDE/command_list.h
+++ b/WordsIDE/command_list.h
@@ -13,20 +13,21 @@ namespace Components {
 namespace CommandList {
 
     class NewProject : public Schedule::GeCommand {
-      public:
+    public:
         NewProject(const QDir &dir, const QString &name);
 
         // GeCommand interface
-      public:
+    public:
         virtual QString name() const override;
         virtual void run(Schedule::CommandsDispatcher *core) const override;
         virtual QString toText() const override;
         virtual void fromText(const QString &line) override;
 
-      private:
+    private:
         QDir dir_symbo;
         QString name_val;
     };
+
     class OpenProject : public Schedule::GeCommand {
       public:
         OpenProject(const QString &path);
diff --git a/WordsIDE/mainwindow.cpp b/WordsIDE/mainwindow.cpp
index 0441c6c..486506a 100644
--- a/WordsIDE/mainwindow.cpp
+++ b/WordsIDE/mainwindow.cpp
@@ -34,8 +34,8 @@ MainWindow::MainWindow(QWidget *parent)
       parse_service(new ParseBridge()),
       project_manager(new XMLProjectManager(this)),
       active_docscollect(new DocumentsManager(project_manager)),
-      session_service(new VSessionMaintenance(XApp::global_configration)),
       present_host(new SplitFrame::ViewPresent(this)),
+      session_service(new VSession(XApp::global_configration, present_host)),
       views_bar(new ViewStackedBar(present_host, this)),
       center_frame(new PresentContainer(present_host, this)),
       project_present(new ProjectPresent(present_host, XApp::disp_core, active_docscollect, this)) {
@@ -51,7 +51,7 @@ MainWindow::MainWindow(QWidget *parent)
     addToolBar(Qt::LeftToolBarArea, views_bar);
     present_host->addListener(views_bar);
 
-    session_service->initPresentView(present_host, center_frame, project_present, parse_service->errorsPresentModel());
+    session_service->initPresentView(center_frame, project_present, parse_service->errorsPresentModel());
 
     auto mbar = menuBar();
     initial_menubar(mbar);
@@ -59,13 +59,10 @@ MainWindow::MainWindow(QWidget *parent)
     project_present->setVisible(true);
     this->active_docscollect->setPresent(center_frame);
 
-    session_service->viewStatesRestore(present_host);
+    session_service->viewStatesRestore(this, present_host);
 }
 
-MainWindow::~MainWindow() {
-    this->session_service->viewStatesSave(present_host);
-    XApp::global_configration->save();
-}
+MainWindow::~MainWindow() {}
 
 void MainWindow::initial_menubar(QMenuBar *mbar) {
 
@@ -221,6 +218,8 @@ void MainWindow::closeEvent(QCloseEvent *event) {
         XApp::disp_core->postCommand(CloseProject());
     }
 
+    session_service->viewStatesSave(this, present_host);
+    XApp::global_configration->save();
     QMainWindow::closeEvent(event);
 }
 
diff --git a/WordsIDE/mainwindow.h b/WordsIDE/mainwindow.h
index a55eb8b..0946074 100644
--- a/WordsIDE/mainwindow.h
+++ b/WordsIDE/mainwindow.h
@@ -9,7 +9,7 @@
 #include "projectpresent.h"
 #include "tools.h"
 #include "viewstackedbar.h"
-#include "vsessionmaintenance.h"
+#include "vsession.h"
 #include "welcomepanel.h"
 #include <QListView>
 #include <QMainWindow>
@@ -32,10 +32,10 @@ private:
     bridge::ParseBridge *const parse_service;
     Project::ProjectManager *const project_manager;
     Core::DocumentsManager *const active_docscollect;
-    Core::VSessionMaintenance *const session_service;
+    SplitFrame::ViewPresent *const present_host;
+    Core::VSession *const session_service;
 
     // view =============================================
-    SplitFrame::ViewPresent *const present_host;
     Components::ViewStackedBar *const views_bar;
     Components::PresentContainer *const center_frame;
     Components::ProjectPresent *const project_present;
diff --git a/WordsIDE/srcedit_defaulttext.cpp b/WordsIDE/srcedit_defaulttext.cpp
index bcf9ff7..8e5b1ac 100644
--- a/WordsIDE/srcedit_defaulttext.cpp
+++ b/WordsIDE/srcedit_defaulttext.cpp
@@ -23,8 +23,6 @@ void  DefaultTextEdit::jumpTo(const QList<QString> &path)
 
 }
 
-FilePresent::Features DefaultTextEdit::features() { return Features(); }
-
 Route DefaultTextEdit::accessPath() const { return path_store; }
 
 #include "manager_docs.h"
diff --git a/WordsIDE/srcedit_defaulttext.h b/WordsIDE/srcedit_defaulttext.h
index ca657fc..a2e71cb 100644
--- a/WordsIDE/srcedit_defaulttext.h
+++ b/WordsIDE/srcedit_defaulttext.h
@@ -38,7 +38,6 @@ namespace Components {
         virtual bool isModified() const override;
         virtual QString absoluteTargetPath() const override;
         virtual void jumpTo(const QList<QString> &path) override;
-        virtual Features features() override;
         virtual Core::Route accessPath() const override;
 
         // PresentBase interface
diff --git a/WordsIDE/srcedit_storyboard.cpp b/WordsIDE/srcedit_storyboard.cpp
index 4dfc4ec..ea521aa 100644
--- a/WordsIDE/srcedit_storyboard.cpp
+++ b/WordsIDE/srcedit_storyboard.cpp
@@ -100,8 +100,6 @@ void StorySourceEdit::jumpTo(const QList<QString> &path) {
     //    }
 }
 
-FilePresent::Features StorySourceEdit::features() { return Feature::Compile | Feature::HighLight; }
-
 #include "manager_docs.h"
 void StorySourceEdit::beforeClose() { mgr_inst->save(); }
 
diff --git a/WordsIDE/srcedit_storyboard.h b/WordsIDE/srcedit_storyboard.h
index 21ecb1b..37c281a 100644
--- a/WordsIDE/srcedit_storyboard.h
+++ b/WordsIDE/srcedit_storyboard.h
@@ -40,7 +40,6 @@ namespace Components {
         virtual bool isModified() const override;
         virtual void applySetting(const QString &name) override;
         virtual void jumpTo(const QList<QString> &path) override;
-        virtual Features features() override;
         virtual void beforeClose() override;
         virtual Core::DocumentsManager *docsManager() const override;
         virtual Core::Route accessPath() const override;
diff --git a/WordsIDE/vsession.cpp b/WordsIDE/vsession.cpp
new file mode 100644
index 0000000..798813d
--- /dev/null
+++ b/WordsIDE/vsession.cpp
@@ -0,0 +1,145 @@
+#include "vsession.h"
+#include "messagespresent.h"
+#include "presentcontainer.h"
+#include "projectpresent.h"
+
+using namespace Config;
+using namespace Core;
+using namespace SplitFrame;
+using namespace Components;
+
+VSession::VSession(Config::Configration *port, ViewPresent *host) : host(host), recover_port(port) {}
+
+void VSession::initPresentView(PresentContainer *center_frame, ProjectPresent *project_present, QStandardItemModel *error_model) {
+    split_infos.clear();
+
+    auto project_panel = host->appendView(project_present, QIcon(":/ui/icons/dir_icon.jpg"), tr("项目管理"));
+    host->markFreedom(project_panel);
+    view_store[project_panel->title()] = project_panel;
+
+    edit_panel = host->appendView(center_frame, QIcon(":/ui/icons/file_icon.jpg"), tr("编辑窗口"));
+    view_store[edit_panel->title()] = edit_panel;
+
+    auto msg_view = MessagesPresent::gen(host, error_model, host->bind());
+    auto msg_panel = host->appendView(msg_view, QIcon(":/ui/icons/file_icon.jpg"), "信息提示");
+    host->markFreedom(msg_panel);
+    view_store[msg_panel->title()] = msg_panel;
+}
+
+const QList<QString> base_path = {"sys-config", "front-end", "view-state"};
+void views_state_store(Config::Configration *port, const QList<QString> &base_path, const QList<RectCom *> &child) {
+    for (auto &it : child) {
+        if (!it)
+            continue;
+
+        auto keys_path = base_path;
+        keys_path << QString("rect_%1").arg(child.indexOf(it));
+
+        auto conv = dynamic_cast<SplitRect *>(it);
+        if (conv) { // split
+            QHash<QString, QString> values;
+            values["rect-type"] = "split";
+            values["split-type"] = QString("%1").arg((int)conv->splitType());
+            values["split-width"] = QString("%1").arg(conv->splitterWidth());
+            values["split-pos"] = QString("%1").arg(conv->splitterPos());
+            port->setMap(keys_path, values);
+
+            auto split_childs = conv->child();
+            views_state_store(port, keys_path, QList<RectCom *>() << split_childs.first << split_childs.second);
+        } else { // view
+            QHash<QString, QString> values;
+            values["rect-type"] = "view";
+            values["view-title"] = it->title();
+            port->setMap(keys_path, values);
+        }
+    }
+}
+
+void VSession::viewStatesSave(QMainWindow *win, SplitFrame::ViewPresent *root) {
+    recover_port->deleteX(base_path);
+    auto childs = root->child();
+
+    auto grect = win->geometry();
+    QHash<QString, QString> values;
+    values["win-width"] = QString("%1").arg(grect.width());
+    values["win-height"] = QString("%1").arg(grect.height());
+    values["win-xpos"] = QString("%1").arg(grect.topLeft().x());
+    values["win-ypos"] = QString("%1").arg(grect.topLeft().y());
+    recover_port->setMap(base_path, values);
+
+    views_state_store(recover_port, base_path, QList<RectCom *>() << childs.first << childs.second);
+}
+
+RectCom *VSession::views_state_restore(const QHash<QString, SplitFrame::RectCom *> &cache, const QList<QString> &target_path,
+                                       Config::Configration *port, SplitFrame::ViewPresent *host) {
+    auto values = port->getMap(target_path);
+    if (!values.size())
+        return nullptr;
+
+    auto type = values["rect-type"];
+    if (type == "view") {
+        auto title = values["view-title"];
+        auto view = cache[title];
+        host->markFreedom(view, false);
+        return view;
+    } else {
+        auto key_p0 = target_path;
+        key_p0 << "rect_0";
+        auto rect0 = views_state_restore(cache, key_p0, port, host);
+        auto key_p1 = target_path;
+        key_p1 << "rect_1";
+        auto rect1 = views_state_restore(cache, key_p1, port, host);
+
+        auto ori = values["split-type"].toUInt();
+        auto width = values["split-width"].toFloat();
+        auto pos = values["split-pos"].toFloat();
+
+        auto split = host->createSplit(rect0, rect1);
+
+        this->split_infos[split] = std::make_tuple((SplitType)ori, pos, width);
+
+        return split;
+    }
+}
+
+void VSession::relayout_cascade(SplitFrame::RectCom *root) {
+    auto xinst = dynamic_cast<SplitRect *>(root);
+    if (!xinst)
+        return;
+
+    auto info = split_infos[xinst];
+    xinst->setSplitInfo(std::get<0>(info), std::get<1>(info), std::get<2>(info));
+
+    auto child_pair = xinst->child();
+    relayout_cascade(child_pair.first);
+    relayout_cascade(child_pair.second);
+}
+
+bool VSession::eventFilter(QObject *watched, QEvent *event) {
+    if (watched == (QObject *)host && event->type() == QEvent::Show) {
+        relayout_cascade(host->child().first);
+        host->bind()->removeEventFilter(this);
+    }
+
+    return QObject::eventFilter(watched, event);
+}
+
+void VSession::viewStatesRestore(QMainWindow *win, SplitFrame::ViewPresent *root) {
+    auto key_path0 = base_path;
+    key_path0 << "rect_0";
+    auto rect = views_state_restore(this->view_store, key_path0, recover_port, root);
+    if (!rect)
+        rect = edit_panel;
+
+    root->resetEngross(rect);
+    root->objsRelateRebuild();
+
+    auto values = recover_port->getMap(base_path);
+    auto width = values["win-width"].toFloat();
+    auto height = values["win-height"].toFloat();
+    auto xpos = values["win-xpos"].toFloat();
+    auto ypos = values["win-ypos"].toFloat();
+
+    win->setGeometry(xpos, ypos, width, height);
+    root->bind()->installEventFilter(this);
+}
diff --git a/WordsIDE/vsession.h b/WordsIDE/vsession.h
new file mode 100644
index 0000000..828dd9d
--- /dev/null
+++ b/WordsIDE/vsession.h
@@ -0,0 +1,46 @@
+#ifndef VSESSION_H
+#define VSESSION_H
+
+#include "projectpresent.h"
+
+#include <QList>
+#include <QMainWindow>
+#include <QStandardItemModel>
+#include <libConfig.h>
+#include <presentcontainer.h>
+#include <splitpanel.h>
+
+namespace Core {
+    class VSession : public QObject {
+        Q_OBJECT
+    public:
+        VSession(Config::Configration *port, SplitFrame::ViewPresent *host);
+
+        void initPresentView(Components::PresentContainer *center_frame, Components::ProjectPresent *project_present, QStandardItemModel *model);
+
+        void viewStatesSave(QMainWindow *win, SplitFrame::ViewPresent *root);
+        void viewStatesRestore(QMainWindow *win, SplitFrame::ViewPresent *root);
+
+    private:
+        SplitFrame::ViewPresent *host;
+        SplitFrame::RectCom *edit_panel = nullptr;
+        Config::Configration *const recover_port;
+        QHash<QString, SplitFrame::RectCom *> view_store;
+
+        typedef float split_pos;
+        typedef float split_width;
+        std::map<SplitFrame::SplitRect *, std::tuple<SplitFrame::SplitType, split_pos, split_width>> split_infos;
+
+        SplitFrame::RectCom *views_state_restore(const QHash<QString, SplitFrame::RectCom *> &cache, const QList<QString> &target_path,
+                                                 Config::Configration *port, SplitFrame::ViewPresent *host);
+
+        void relayout_cascade(SplitFrame::RectCom *root);
+
+        // QObject interface
+    public:
+        virtual bool eventFilter(QObject *watched, QEvent *event) override;
+    };
+
+} // namespace Core
+
+#endif // VSESSION_H
diff --git a/WordsIDE/vsessionmaintenance.cpp b/WordsIDE/vsessionmaintenance.cpp
deleted file mode 100644
index 37105f3..0000000
--- a/WordsIDE/vsessionmaintenance.cpp
+++ /dev/null
@@ -1,89 +0,0 @@
-#include "vsessionmaintenance.h"
-#include "messagespresent.h"
-#include "presentcontainer.h"
-#include "projectpresent.h"
-
-using namespace Config;
-using namespace Core;
-using namespace SplitFrame;
-using namespace Components;
-
-VSessionMaintenance::VSessionMaintenance(Config::Configration *port) : recover_port(port) {}
-
-void VSessionMaintenance::initPresentView(ViewPresent *host, PresentContainer *center_frame, ProjectPresent *project_present,
-                                          QStandardItemModel *error_model) {
-
-    auto project_panel = host->appendView(project_present, QIcon(":/ui/icons/dir_icon.jpg"), tr("项目管理"));
-    host->markFreedom(project_panel);
-    view_store[project_panel->title()] = project_panel;
-
-    auto edit_panel = host->appendView(center_frame, QIcon(":/ui/icons/file_icon.jpg"), tr("编辑窗口"));
-    host->resetEngross(edit_panel);
-    view_store[edit_panel->title()] = edit_panel;
-
-    auto msg_view = MessagesPresent::gen(host, error_model, host->bind());
-    auto msg_panel = host->appendView(msg_view, QIcon(":/ui/icons/file_icon.jpg"), "信息提示");
-    host->markFreedom(msg_panel);
-    view_store[msg_panel->title()] = msg_panel;
-}
-
-const QList<QString> base_path = {"sys-config", "front-end", "view-state"};
-void views_state_store(Config::Configration *port, const QList<QString> &base_path, const QList<RectCom *> &child) {
-    for (auto &it : child) {
-        if (!it)
-            continue;
-
-        auto keys_path = base_path;
-        keys_path << QString("rect_%1").arg(child.indexOf(it));
-
-        auto conv = dynamic_cast<SplitRect *>(it);
-        if (conv) { // split
-            QHash<QString, QString> values;
-            values["rect-type"] = "split";
-            values["split-type"] = QString("%1").arg((int)conv->splitType());
-            values["split-width"] = QString("%1").arg(conv->splitterWidth());
-            values["split-pos"] = QString("%1").arg(conv->splitterPos());
-            port->setMap(keys_path, values);
-
-            auto split_childs = conv->child();
-            views_state_store(port, keys_path, QList<RectCom *>() << split_childs.first << split_childs.second);
-        } else { // view
-            QHash<QString, QString> values;
-            values["rect-type"] = "view";
-            values["view-title"] = it->title();
-            port->setMap(keys_path, values);
-        }
-    }
-}
-
-void VSessionMaintenance::viewStatesSave(SplitFrame::ViewPresent *root) {
-    recover_port->deleteX(base_path);
-    auto childs = root->child();
-    auto win = root->bind()->parentWidget();
-
-    QHash<QString, QString> values;
-    values["win-width"] = win->width();
-    values["win-height"] = win->height();
-    values["win-xpos"] = win->rect().topLeft().x();
-    values["win-ypos"] = win->rect().topLeft().y();
-    recover_port->setMap(base_path, values);
-
-    views_state_store(recover_port, base_path, QList<RectCom *>() << childs.first << childs.second);
-}
-
-RectCom *views_state_restore(const QHash<QString, RectCom *> &cache, const QList<QString> &target_path, Config::Configration *port) {
-    auto values = port->getMap(target_path);
-    if (!values.size())
-        return nullptr;
-}
-
-void VSessionMaintenance::viewStatesRestore(SplitFrame::ViewPresent *root) {
-    auto values = recover_port->getMap(base_path);
-    auto win = root->bind()->parentWidget();
-
-    auto width = values["win-width"].toFloat();
-    auto height = values["win-height"].toFloat();
-    auto xpos = values["win-xpos"].toFloat();
-    auto ypos = values["win-ypos"].toFloat();
-    win->setGeometry(xpos, ypos, width, height);
-}
diff --git a/WordsIDE/vsessionmaintenance.h b/WordsIDE/vsessionmaintenance.h
deleted file mode 100644
index cc5cdfa..0000000
--- a/WordsIDE/vsessionmaintenance.h
+++ /dev/null
@@ -1,31 +0,0 @@
-#ifndef VSESSIONMAINTENANCE_H
-#define VSESSIONMAINTENANCE_H
-
-#include "projectpresent.h"
-
-#include <QList>
-#include <QStandardItemModel>
-#include <libConfig.h>
-#include <presentcontainer.h>
-#include <splitpanel.h>
-
-namespace Core {
-    class VSessionMaintenance : public QObject {
-        Q_OBJECT
-    public:
-        VSessionMaintenance(Config::Configration *port);
-
-        void initPresentView(SplitFrame::ViewPresent *host, Components::PresentContainer *center_frame, Components::ProjectPresent *project_present,
-                             QStandardItemModel *model);
-
-        void viewStatesSave(SplitFrame::ViewPresent *root);
-        void viewStatesRestore(SplitFrame::ViewPresent *root);
-
-    private:
-        Config::Configration *const recover_port;
-        QHash<QString, SplitFrame::RectCom *> view_store;
-    };
-
-} // namespace Core
-
-#endif // VSESSIONMAINTENANCE_H
diff --git a/libSplitView/splitpanel.cpp b/libSplitView/splitpanel.cpp
index a51b96a..207683d 100644
--- a/libSplitView/splitpanel.cpp
+++ b/libSplitView/splitpanel.cpp
@@ -216,21 +216,30 @@ void ViewPresent::regist_basepanel(RectCom *it) {
     all_func_views << it;
 }
 
-void ViewPresent::markFreedom(ViewRes *view) {
+void ViewPresent::markFreedom(ViewRes *view, bool add) {
     if (!view)
         return;
 
     auto cinst = static_cast<RectCom *>(view);
-    if (!freedom_views.contains(cinst)) {
-        freedom_views << cinst;
+    if (add) {
+        if (!freedom_views.contains(cinst)) {
+            freedom_views << cinst;
 
-        auto fview = static_cast<BaseView *>(view);
-        for (auto &lsn : lsn_list)
-            lsn->freedomAppended(cinst, fview->viewIcon(), fview->title());
+            auto fview = static_cast<BaseView *>(view);
+            for (auto &lsn : lsn_list)
+                lsn->freedomAppended(cinst, fview->viewIcon(), fview->title());
+        }
+
+        cinst->bind()->setVisible(false);
+        cinst->setParentRes(nullptr);
+    } else {
+        if (freedom_views.contains(cinst)) {
+            freedom_views.removeAll(cinst);
+
+            for (auto &lsn : lsn_list)
+                lsn->freedomRemoved(cinst);
+        }
     }
-
-    cinst->bind()->setVisible(false);
-    cinst->setParentRes(nullptr);
 }
 
 void ViewPresent::purge(ViewRes *target) {
@@ -291,10 +300,8 @@ RectCom *ViewPresent::adjustView() const { return this->adjust_view_temp; }
 
 QObject *ViewPresent::globalEventFilter() const { return dynamic_cast<QObject *>(const_cast<ViewPresent *>(this)); }
 
-SplitRect *ViewPresent::createSplit(RectCom *first, RectCom *next, SplitType sp, float pos, float split_width) {
+SplitRect *ViewPresent::createSplit(RectCom *first, RectCom *next) {
     auto inst = new SplitView(first, next, this);
-    inst->setSplitInfo(sp, pos, split_width, false);
-
     return inst;
 }
 
diff --git a/libSplitView/splitpanel.h b/libSplitView/splitpanel.h
index 49ac196..eebbf8b 100644
--- a/libSplitView/splitpanel.h
+++ b/libSplitView/splitpanel.h
@@ -54,7 +54,7 @@ namespace SplitFrame {
 
         virtual ViewPresent *viewPanel() const = 0;
         virtual void objsRelateRebuild() = 0;
-        virtual void markFreedom(ViewRes *view) = 0;
+        virtual void markFreedom(ViewRes *view, bool add = true) = 0;
         virtual void purge(ViewRes *target) = 0;
     };
 
@@ -147,7 +147,7 @@ namespace SplitFrame {
         bool adjustState() const;
         RectCom *adjustView() const;
 
-        SplitRect *createSplit(RectCom *first, RectCom *next, SplitType sp, float pos = 20, float split_width = 8);
+        SplitRect *createSplit(RectCom *first, RectCom *next);
 
         template <class FnView, bool _blank> RectCom *appendView(FnWrap<FnView, _blank> *view_inst, const QIcon &icon, const QString &title) {
             if (view_inst->bindHost() != this)
@@ -179,7 +179,7 @@ namespace SplitFrame {
         // ResManager interface
     public:
         virtual void objsRelateRebuild() override;
-        virtual void markFreedom(ViewRes *view) override;
+        virtual void markFreedom(ViewRes *view, bool add = true) override;
         virtual void purge(ViewRes *target) override;
 
         // SplitRect interface