diff --git a/vqt6/__init__.vp b/vqt6/__init__.vp
index be5fbd1..0609092 100644
--- a/vqt6/__init__.vp
+++ b/vqt6/__init__.vp
@@ -85,6 +85,56 @@ def _w_text_of(qstr: QtStringPtr) -> str:
     return s
 
 
+# ============================================================
+# 树状控件统计助手（返回 int，规避跨模块 FFI 返回指针）
+# 叶子勾选态: 0=未选 1=半选 2=选中
+# ============================================================
+def qtree_checked_count(tw: QtTreeWidgetPtr) -> int:
+    """统计被勾选的叶子节点数"""
+    n: int = 0
+    gi: int = 0
+    top_n: int = vqt6_qtreewidget_top_level_item_count(tw)
+    while gi < top_n:
+        g: QtTreeWidgetItemPtr = vqt6_qtreewidget_top_level_item(tw, gi)
+        ci: int = 0
+        cn: int = vqt6_qtreewidgetitem_child_count(g)
+        while ci < cn:
+            it: QtTreeWidgetItemPtr = vqt6_qtreewidgetitem_child(g, ci)
+            if vqt6_qtreewidgetitem_check_state(it) == 2:
+                n += 1
+            ci += 1
+        gi += 1
+    return n
+
+
+def qtree_checked_size(tw: QtTreeWidgetPtr) -> int:
+    """统计被勾选叶子节点的磁盘占用合计(MB)"""
+    mb: int = 0
+    gi: int = 0
+    top_n: int = vqt6_qtreewidget_top_level_item_count(tw)
+    while gi < top_n:
+        g: QtTreeWidgetItemPtr = vqt6_qtreewidget_top_level_item(tw, gi)
+        ci: int = 0
+        cn: int = vqt6_qtreewidgetitem_child_count(g)
+        while ci < cn:
+            it: QtTreeWidgetItemPtr = vqt6_qtreewidgetitem_child(g, ci)
+            if vqt6_qtreewidgetitem_check_state(it) == 2:
+                mb += vqt6_qtreewidgetitem_data_int(it)
+            ci += 1
+        gi += 1
+    return mb
+
+
+def qtree_click_toggle(tw: QtTreeWidgetPtr):
+    """点击带子节点的当前行 → 展开/折叠"""
+    cur: QtTreeWidgetItemPtr = vqt6_qtreewidget_current_item(tw)
+    if cur is None:
+        return
+    if vqt6_qtreewidgetitem_child_count(cur) > 0:
+        ex: int = vqt6_qtreewidgetitem_is_expanded(cur)
+        vqt6_qtreewidgetitem_set_expanded(cur, 1 - ex)
+
+
 @t.NoVTable
 class QApplication:
     """QApplication 包装（不透明指针）"""
@@ -1016,6 +1066,132 @@ class QListWidget:
         _w_set_enabled(self._ptr, enabled)
 
 
+@t.NoVTable
+class QTreeWidgetItem:
+    """QTreeWidgetItem 包装（树节点，勾选态 0=未选 2=选中）"""
+    _ptr: QtTreeWidgetItemPtr
+
+    def __init__(self, text: str = ""):
+        qs: QtStringPtr = vqt6_qstring_create(text)
+        self._ptr = vqt6_qtreewidgetitem_create(qs)
+        vqt6_qstring_free(qs)
+        if self._ptr is None:
+            raise RuntimeError("Failed to create QTreeWidgetItem")
+
+    def setText(self, text: str):
+        qs: QtStringPtr = vqt6_qstring_create(text)
+        vqt6_qtreewidgetitem_set_text(self._ptr, qs)
+        vqt6_qstring_free(qs)
+
+    def text(self) -> str:
+        return _w_text_of(vqt6_qtreewidgetitem_text(self._ptr))
+
+    def addChild(self, child: "QTreeWidgetItem"):
+        vqt6_qtreewidgetitem_add_child(self._ptr, child._ptr)
+
+    def childCount(self) -> int:
+        return vqt6_qtreewidgetitem_child_count(self._ptr)
+
+    def child(self, index: int) -> "QTreeWidgetItem":
+        it = QTreeWidgetItem()
+        it._ptr = vqt6_qtreewidgetitem_child(self._ptr, index)
+        return it
+
+    def setCheckable(self, checkable: int):
+        vqt6_qtreewidgetitem_set_checkable(self._ptr, checkable)
+
+    def setChecked(self, checked: int):
+        if checked != 0:
+            vqt6_qtreewidgetitem_set_check_state(self._ptr, 2)
+        else:
+            vqt6_qtreewidgetitem_set_check_state(self._ptr, 0)
+
+    def isChecked(self) -> int:
+        return vqt6_qtreewidgetitem_check_state(self._ptr)
+
+    def setSize(self, mb: int):
+        """把磁盘占用(MB)存到节点 UserRole（统计用）"""
+        vqt6_qtreewidgetitem_set_data_int(self._ptr, mb)
+
+    def setExpanded(self, expanded: int):
+        vqt6_qtreewidgetitem_set_expanded(self._ptr, expanded)
+
+    def isExpanded(self) -> int:
+        return vqt6_qtreewidgetitem_is_expanded(self._ptr)
+
+
+@t.NoVTable
+class QTreeWidget:
+    """QTreeWidget 包装"""
+    _ptr: QtTreeWidgetPtr
+
+    def __init__(self, parent: "QWidget | None" = None):
+        if parent is not None and parent._ptr is not None:
+            self._ptr = vqt6_qtreewidget_create_with_parent(parent._ptr)
+        else:
+            self._ptr = vqt6_qtreewidget_create()
+        if self._ptr is None:
+            raise RuntimeError("Failed to create QTreeWidget")
+
+    def addTopLevelItem(self, item: "QTreeWidgetItem"):
+        vqt6_qtreewidget_add_top_level_item(self._ptr, item._ptr)
+
+    def insertTopLevelItem(self, index: int, item: "QTreeWidgetItem"):
+        vqt6_qtreewidget_insert_top_level_item(self._ptr, index, item._ptr)
+
+    def topLevelItemCount(self) -> int:
+        return vqt6_qtreewidget_top_level_item_count(self._ptr)
+
+    def topLevelItem(self, index: int) -> "QTreeWidgetItem":
+        it = QTreeWidgetItem()
+        it._ptr = vqt6_qtreewidget_top_level_item(self._ptr, index)
+        return it
+
+    def currentItem(self) -> "QTreeWidgetItem":
+        it = QTreeWidgetItem()
+        it._ptr = vqt6_qtreewidget_current_item(self._ptr)
+        return it
+
+    def expandAll(self):
+        vqt6_qtreewidget_expand_all(self._ptr)
+
+    def collapseAll(self):
+        vqt6_qtreewidget_collapse_all(self._ptr)
+
+    def setHeaderHidden(self, hidden: int):
+        vqt6_qtreewidget_set_header_hidden(self._ptr, hidden)
+
+    def setColumnCount(self, count: int):
+        vqt6_qtreewidget_set_column_count(self._ptr, count)
+
+    def setItemExpanded(self, item: "QTreeWidgetItem", expanded: int):
+        vqt6_qtreewidget_set_item_expanded(self._ptr, item._ptr, expanded)
+
+    def itemChanged(self, cb: bytes, data: bytes = 0):
+        vqt6_qtreewidget_connect_item_changed(self._ptr, cb, data)
+
+    def itemClicked(self, cb: bytes, data: bytes = 0):
+        vqt6_qtreewidget_connect_item_clicked(self._ptr, cb, data)
+
+    def show(self):
+        _w_show(self._ptr)
+
+    def hide(self):
+        _w_hide(self._ptr)
+
+    def setGeometry(self, x: int, y: int, w: int, h: int):
+        _w_set_geometry(self._ptr, x, y, w, h)
+
+    def resize(self, w: int, h: int):
+        _w_resize(self._ptr, w, h)
+
+    def move(self, x: int, y: int):
+        _w_move(self._ptr, x, y)
+
+    def setEnabled(self, enabled: int):
+        _w_set_enabled(self._ptr, enabled)
+
+
 @t.NoVTable
 class QTabWidget:
     """QTabWidget 包装"""
@@ -1603,6 +1779,7 @@ __all__ = [
     "QLineEdit", "QCheckBox", "QRadioButton",
     "QComboBox", "QSlider", "QSpinBox", "QProgressBar",
     "QTextEdit", "QPlainTextEdit", "QListWidget",
+    "QTreeWidget", "QTreeWidgetItem",
     "QTabWidget", "QStackedWidget",
     "QHBoxLayout", "QVBoxLayout", "QGridLayout",
     "QMessageBox", "QFileDialog", "QTimer",
@@ -1611,6 +1788,7 @@ __all__ = [
     # 类型
     "QtObjectPtr", "QtStringPtr", "QtByteArrayPtr", "QtWidgetPtr", "QtAppPtr",
     "QtLabelPtr", "QtPushButtonPtr",
+    "QtTreeWidgetPtr", "QtTreeWidgetItemPtr",
     "QtColorPtr", "QtFontPtr", "QtPixmapPtr", "QtImagePtr", "QtPainterPtr",
     "QtTcpSocketPtr", "QtHostAddressPtr", "QtNetworkRequestPtr", "QtNetworkReplyPtr",
     # 常量
diff --git a/vqt6/_bridge_widgets.cpp b/vqt6/_bridge_widgets.cpp
index 2e57ca2..ec3422e 100644
--- a/vqt6/_bridge_widgets.cpp
+++ b/vqt6/_bridge_widgets.cpp
@@ -28,6 +28,7 @@
 #include <QFormLayout>
 #include <QStackedWidget>
 #include <QTabWidget>
+#include <QTreeWidget>
 #include <QMenuBar>
 #include <QMenu>
 #include <QAction>
@@ -42,6 +43,7 @@
 #include <QStringList>
 #include <QFont>
 #include <QColor>
+#include <QVariant>
 #include <QPixmap>
 #include <QIcon>
 #include <QCursor>
@@ -768,6 +770,11 @@ extern "C" VQT6_API void vqt6_qplaintextedit_append_utf8(void* pte, const char*
     static_cast<QPlainTextEdit*>(pte)->appendPlainText(QString::fromUtf8(utf8));
 }
 
+extern "C" VQT6_API void vqt6_qplaintextedit_set_plain_text_utf8(void* pte, const char* utf8) {
+    if (pte == nullptr || utf8 == nullptr) return;
+    static_cast<QPlainTextEdit*>(pte)->setPlainText(QString::fromUtf8(utf8));
+}
+
 extern "C" VQT6_API void vqt6_qwidget_set_stylesheet_utf8(void* widget, const char* utf8) {
     if (widget == nullptr || utf8 == nullptr) return;
     static_cast<QWidget*>(widget)->setStyleSheet(QString::fromUtf8(utf8));
@@ -1766,6 +1773,144 @@ extern "C" VQT6_API void* vqt6_qfiledialog_get_open_file_names(void* parent, voi
     ));
 }
 
+// ============================================================
+// QTreeWidget / QTreeWidgetItem
+// ============================================================
+extern "C" VQT6_API void* vqt6_qtreewidget_create(void) {
+    return new QTreeWidget();
+}
+
+extern "C" VQT6_API void* vqt6_qtreewidget_create_with_parent(void* parent) {
+    if (parent == nullptr) return nullptr;
+    return new QTreeWidget(static_cast<QWidget*>(parent));
+}
+
+extern "C" VQT6_API void vqt6_qtreewidget_add_top_level_item(void* tw, void* item) {
+    if (tw == nullptr || item == nullptr) return;
+    static_cast<QTreeWidget*>(tw)->addTopLevelItem(static_cast<QTreeWidgetItem*>(item));
+}
+
+extern "C" VQT6_API void vqt6_qtreewidget_insert_top_level_item(void* tw, int index, void* item) {
+    if (tw == nullptr || item == nullptr) return;
+    static_cast<QTreeWidget*>(tw)->insertTopLevelItem(index, static_cast<QTreeWidgetItem*>(item));
+}
+
+extern "C" VQT6_API int vqt6_qtreewidget_top_level_item_count(void* tw) {
+    if (tw == nullptr) return 0;
+    return static_cast<QTreeWidget*>(tw)->topLevelItemCount();
+}
+
+extern "C" VQT6_API void* vqt6_qtreewidget_top_level_item(void* tw, int index) {
+    if (tw == nullptr) return nullptr;
+    return static_cast<QTreeWidget*>(tw)->topLevelItem(index);
+}
+
+extern "C" VQT6_API void* vqt6_qtreewidget_current_item(void* tw) {
+    if (tw == nullptr) return nullptr;
+    return static_cast<QTreeWidget*>(tw)->currentItem();
+}
+
+extern "C" VQT6_API void vqt6_qtreewidget_expand_all(void* tw) {
+    if (tw == nullptr) return;
+    static_cast<QTreeWidget*>(tw)->expandAll();
+}
+
+extern "C" VQT6_API void vqt6_qtreewidget_collapse_all(void* tw) {
+    if (tw == nullptr) return;
+    static_cast<QTreeWidget*>(tw)->collapseAll();
+}
+
+extern "C" VQT6_API void vqt6_qtreewidget_set_header_hidden(void* tw, int hidden) {
+    if (tw == nullptr) return;
+    static_cast<QTreeWidget*>(tw)->setHeaderHidden(hidden != 0);
+}
+
+extern "C" VQT6_API void vqt6_qtreewidget_set_column_count(void* tw, int count) {
+    if (tw == nullptr) return;
+    static_cast<QTreeWidget*>(tw)->setColumnCount(count);
+}
+
+extern "C" VQT6_API void vqt6_qtreewidget_set_item_expanded(void* tw, void* item, int expanded) {
+    if (item == nullptr) return;
+    (void)tw;
+    static_cast<QTreeWidgetItem*>(item)->setExpanded(expanded != 0);
+}
+
+extern "C" VQT6_API void* vqt6_qtreewidgetitem_create(void* text) {
+    QTreeWidgetItem* it = new QTreeWidgetItem();
+    if (text != nullptr) it->setText(0, *static_cast<QString*>(text));
+    return it;
+}
+
+extern "C" VQT6_API void vqt6_qtreewidgetitem_add_child(void* item, void* child) {
+    if (item == nullptr || child == nullptr) return;
+    static_cast<QTreeWidgetItem*>(item)->addChild(static_cast<QTreeWidgetItem*>(child));
+}
+
+extern "C" VQT6_API int vqt6_qtreewidgetitem_child_count(void* item) {
+    if (item == nullptr) return 0;
+    return static_cast<QTreeWidgetItem*>(item)->childCount();
+}
+
+extern "C" VQT6_API void* vqt6_qtreewidgetitem_child(void* item, int index) {
+    if (item == nullptr) return nullptr;
+    return static_cast<QTreeWidgetItem*>(item)->child(index);
+}
+
+extern "C" VQT6_API void vqt6_qtreewidgetitem_set_text(void* item, void* text) {
+    if (item == nullptr || text == nullptr) return;
+    static_cast<QTreeWidgetItem*>(item)->setText(0, *static_cast<QString*>(text));
+}
+
+extern "C" VQT6_API void* vqt6_qtreewidgetitem_text(void* item) {
+    if (item == nullptr) return nullptr;
+    return new QString(static_cast<QTreeWidgetItem*>(item)->text(0));
+}
+
+extern "C" VQT6_API void vqt6_qtreewidgetitem_set_checkable(void* item, int checkable) {
+    if (item == nullptr) return;
+    QTreeWidgetItem* it = static_cast<QTreeWidgetItem*>(item);
+    Qt::ItemFlags f = it->flags();
+    if (checkable != 0) f |= Qt::ItemIsUserCheckable;
+    else f &= ~Qt::ItemIsUserCheckable;
+    it->setFlags(f);
+}
+
+extern "C" VQT6_API void vqt6_qtreewidgetitem_set_check_state(void* item, int state) {
+    if (item == nullptr) return;
+    Qt::CheckState cs = Qt::Unchecked;
+    if (state == 1) cs = Qt::PartiallyChecked;
+    else if (state == 2) cs = Qt::Checked;
+    static_cast<QTreeWidgetItem*>(item)->setCheckState(0, cs);
+}
+
+extern "C" VQT6_API int vqt6_qtreewidgetitem_check_state(void* item) {
+    if (item == nullptr) return 0;
+    return static_cast<int>(static_cast<QTreeWidgetItem*>(item)->checkState(0));
+}
+
+extern "C" VQT6_API void vqt6_qtreewidgetitem_set_expanded(void* item, int expanded) {
+    if (item == nullptr) return;
+    static_cast<QTreeWidgetItem*>(item)->setExpanded(expanded != 0);
+}
+
+extern "C" VQT6_API int vqt6_qtreewidgetitem_is_expanded(void* item) {
+    if (item == nullptr) return 0;
+    return static_cast<QTreeWidgetItem*>(item)->isExpanded() ? 1 : 0;
+}
+
+extern "C" VQT6_API void vqt6_qtreewidgetitem_set_data_int(void* item, int value) {
+    if (item == nullptr) return;
+    static_cast<QTreeWidgetItem*>(item)->setData(0, Qt::UserRole, QVariant(value));
+}
+
+extern "C" VQT6_API int vqt6_qtreewidgetitem_data_int(void* item) {
+    if (item == nullptr) return 0;
+    bool ok = false;
+    int v = static_cast<QTreeWidgetItem*>(item)->data(0, Qt::UserRole).toInt(&ok);
+    return ok ? v : 0;
+}
+
 // ============================================================
 // 信号连接（Qt 信号 → Viper 回调 vqt6_slot_callback_t）
 // 模式：vqt6_signal_register 分配 slot_id → Qt lambda 连接信号 →
@@ -1900,3 +2045,23 @@ extern "C" VQT6_API void vqt6_qaction_connect_triggered(void* action, vqt6_slot_
         vqt6_trigger_slot(slot_id);
     });
 }
+
+extern "C" VQT6_API void vqt6_qtreewidget_connect_item_changed(void* tw, vqt6_slot_callback_t cb, void* user_data) {
+    if (tw == nullptr) return;
+    int slot_id = vqt6_signal_register(cb, user_data);
+    if (slot_id < 0) return;
+    QObject::connect(static_cast<QTreeWidget*>(tw), &QTreeWidget::itemChanged,
+                     static_cast<QTreeWidget*>(tw), [slot_id](QTreeWidgetItem*, int) {
+        vqt6_trigger_slot(slot_id);
+    });
+}
+
+extern "C" VQT6_API void vqt6_qtreewidget_connect_item_clicked(void* tw, vqt6_slot_callback_t cb, void* user_data) {
+    if (tw == nullptr) return;
+    int slot_id = vqt6_signal_register(cb, user_data);
+    if (slot_id < 0) return;
+    QObject::connect(static_cast<QTreeWidget*>(tw), &QTreeWidget::itemClicked,
+                     static_cast<QTreeWidget*>(tw), [slot_id](QTreeWidgetItem*, int) {
+        vqt6_trigger_slot(slot_id);
+    });
+}
diff --git a/vqt6/_bridge_widgets.h b/vqt6/_bridge_widgets.h
index df086bd..34d369b 100644
--- a/vqt6/_bridge_widgets.h
+++ b/vqt6/_bridge_widgets.h
@@ -52,6 +52,7 @@ VQT6_API void* vqt6_qwidget_text(void* widget);
 // UTF-8 便捷版：直接传 C 字符串（Viper str），内部转 QString，避免 Viper 端手动创建/释放 QString
 VQT6_API void  vqt6_qlabel_set_text_utf8(void* label, const char* utf8);
 VQT6_API void  vqt6_qplaintextedit_append_utf8(void* pte, const char* utf8);
+VQT6_API void  vqt6_qplaintextedit_set_plain_text_utf8(void* pte, const char* utf8);
 // Qt 样式表（QSS）：直接传 C 字符串，深色主题等外观定制
 VQT6_API void  vqt6_qwidget_set_stylesheet_utf8(void* widget, const char* utf8);
 VQT6_API void  vqt6_qwidget_set_enabled(void* widget, int enabled);
@@ -244,6 +245,36 @@ VQT6_API void* vqt6_qlistwidget_current_item_text(void* lw);
 VQT6_API void* vqt6_qlistwidget_item_text(void* lw, int row);
 VQT6_API void  vqt6_qlistwidget_set_item_text(void* lw, int row, void* text);
 
+// ============================================================
+// QTreeWidget / QTreeWidgetItem
+// ============================================================
+VQT6_API void* vqt6_qtreewidget_create(void);
+VQT6_API void* vqt6_qtreewidget_create_with_parent(void* parent);
+VQT6_API void  vqt6_qtreewidget_add_top_level_item(void* tw, void* item);
+VQT6_API void  vqt6_qtreewidget_insert_top_level_item(void* tw, int index, void* item);
+VQT6_API int   vqt6_qtreewidget_top_level_item_count(void* tw);
+VQT6_API void* vqt6_qtreewidget_top_level_item(void* tw, int index);
+VQT6_API void* vqt6_qtreewidget_current_item(void* tw);
+VQT6_API void  vqt6_qtreewidget_expand_all(void* tw);
+VQT6_API void  vqt6_qtreewidget_collapse_all(void* tw);
+VQT6_API void  vqt6_qtreewidget_set_header_hidden(void* tw, int hidden);
+VQT6_API void  vqt6_qtreewidget_set_column_count(void* tw, int count);
+VQT6_API void  vqt6_qtreewidget_set_item_expanded(void* tw, void* item, int expanded);
+
+VQT6_API void* vqt6_qtreewidgetitem_create(void* text);
+VQT6_API void  vqt6_qtreewidgetitem_add_child(void* item, void* child);
+VQT6_API int   vqt6_qtreewidgetitem_child_count(void* item);
+VQT6_API void* vqt6_qtreewidgetitem_child(void* item, int index);
+VQT6_API void  vqt6_qtreewidgetitem_set_text(void* item, void* text);
+VQT6_API void* vqt6_qtreewidgetitem_text(void* item);
+VQT6_API void  vqt6_qtreewidgetitem_set_checkable(void* item, int checkable);
+VQT6_API void  vqt6_qtreewidgetitem_set_check_state(void* item, int state);
+VQT6_API int   vqt6_qtreewidgetitem_check_state(void* item);
+VQT6_API void  vqt6_qtreewidgetitem_set_expanded(void* item, int expanded);
+VQT6_API int   vqt6_qtreewidgetitem_is_expanded(void* item);
+VQT6_API void  vqt6_qtreewidgetitem_set_data_int(void* item, int value);
+VQT6_API int   vqt6_qtreewidgetitem_data_int(void* item);
+
 // ============================================================
 // QProgressBar
 // ============================================================
diff --git a/vqt6/_qtwidgets.vp b/vqt6/_qtwidgets.vp
index 3102327..b327038 100644
--- a/vqt6/_qtwidgets.vp
+++ b/vqt6/_qtwidgets.vp
@@ -209,6 +209,7 @@ def vqt6_qplaintextedit_set_plain_text(pte: QtPlainTextEditPtr, text: QtStringPt
 def vqt6_qplaintextedit_append(pte: QtPlainTextEditPtr, text: QtStringPtr) -> t.State: pass
 # UTF-8 便捷版：直接传 Viper str，避免手动创建/释放 QString
 def vqt6_qplaintextedit_append_utf8(pte: QtPlainTextEditPtr, text: t.CChar | t.CPtr) -> t.State: pass
+def vqt6_qplaintextedit_set_plain_text_utf8(pte: QtPlainTextEditPtr, text: t.CChar | t.CPtr) -> t.State: pass
 def vqt6_qplaintextedit_clear(pte: QtPlainTextEditPtr) -> t.State: pass
 def vqt6_qplaintextedit_set_read_only(pte: QtPlainTextEditPtr, ro: t.CInt) -> t.State: pass
 def vqt6_qplaintextedit_line_count(pte: QtPlainTextEditPtr) -> t.CInt | t.State: pass
@@ -274,6 +275,37 @@ def vqt6_qlistwidget_item_text(lw: QtListWidgetPtr, row: t.CInt) -> QtStringPtr
 def vqt6_qlistwidget_set_item_text(lw: QtListWidgetPtr, row: t.CInt, text: QtStringPtr) -> t.State: pass
 
 
+# ============================================================
+# QTreeWidget / QTreeWidgetItem — 树状控件
+# ============================================================
+def vqt6_qtreewidget_create() -> QtTreeWidgetPtr | t.State: pass
+def vqt6_qtreewidget_create_with_parent(parent: QtWidgetPtr) -> QtTreeWidgetPtr | t.State: pass
+def vqt6_qtreewidget_add_top_level_item(tw: QtTreeWidgetPtr, item: QtTreeWidgetItemPtr) -> t.State: pass
+def vqt6_qtreewidget_insert_top_level_item(tw: QtTreeWidgetPtr, index: t.CInt, item: QtTreeWidgetItemPtr) -> t.State: pass
+def vqt6_qtreewidget_top_level_item_count(tw: QtTreeWidgetPtr) -> t.CInt | t.State: pass
+def vqt6_qtreewidget_top_level_item(tw: QtTreeWidgetPtr, index: t.CInt) -> QtTreeWidgetItemPtr | t.State: pass
+def vqt6_qtreewidget_current_item(tw: QtTreeWidgetPtr) -> QtTreeWidgetItemPtr | t.State: pass
+def vqt6_qtreewidget_expand_all(tw: QtTreeWidgetPtr) -> t.State: pass
+def vqt6_qtreewidget_collapse_all(tw: QtTreeWidgetPtr) -> t.State: pass
+def vqt6_qtreewidget_set_header_hidden(tw: QtTreeWidgetPtr, hidden: t.CInt) -> t.State: pass
+def vqt6_qtreewidget_set_column_count(tw: QtTreeWidgetPtr, count: t.CInt) -> t.State: pass
+def vqt6_qtreewidget_set_item_expanded(tw: QtTreeWidgetPtr, item: QtTreeWidgetItemPtr, expanded: t.CInt) -> t.State: pass
+
+def vqt6_qtreewidgetitem_create(text: QtStringPtr) -> QtTreeWidgetItemPtr | t.State: pass
+def vqt6_qtreewidgetitem_add_child(item: QtTreeWidgetItemPtr, child: QtTreeWidgetItemPtr) -> t.State: pass
+def vqt6_qtreewidgetitem_child_count(item: QtTreeWidgetItemPtr) -> t.CInt | t.State: pass
+def vqt6_qtreewidgetitem_child(item: QtTreeWidgetItemPtr, index: t.CInt) -> QtTreeWidgetItemPtr | t.State: pass
+def vqt6_qtreewidgetitem_set_text(item: QtTreeWidgetItemPtr, text: QtStringPtr) -> t.State: pass
+def vqt6_qtreewidgetitem_text(item: QtTreeWidgetItemPtr) -> QtStringPtr | t.State: pass
+def vqt6_qtreewidgetitem_set_checkable(item: QtTreeWidgetItemPtr, checkable: t.CInt) -> t.State: pass
+def vqt6_qtreewidgetitem_set_check_state(item: QtTreeWidgetItemPtr, state: t.CInt) -> t.State: pass
+def vqt6_qtreewidgetitem_check_state(item: QtTreeWidgetItemPtr) -> t.CInt | t.State: pass
+def vqt6_qtreewidgetitem_set_expanded(item: QtTreeWidgetItemPtr, expanded: t.CInt) -> t.State: pass
+def vqt6_qtreewidgetitem_is_expanded(item: QtTreeWidgetItemPtr) -> t.CInt | t.State: pass
+def vqt6_qtreewidgetitem_set_data_int(item: QtTreeWidgetItemPtr, value: t.CInt) -> t.State: pass
+def vqt6_qtreewidgetitem_data_int(item: QtTreeWidgetItemPtr) -> t.CInt | t.State: pass
+
+
 # ============================================================
 # QProgressBar — 进度条
 # ============================================================
@@ -501,3 +533,5 @@ def vqt6_qprogressbar_connect_value_changed(pb: QtProgressBarPtr, cb: bytes, use
 def vqt6_qlistwidget_connect_current_row_changed(lw: QtListWidgetPtr, cb: bytes, user_data: bytes) -> t.State: pass
 def vqt6_qtabwidget_connect_current_changed(tw: QtTabWidgetPtr, cb: bytes, user_data: bytes) -> t.State: pass
 def vqt6_qaction_connect_triggered(action: QtActionPtr, cb: bytes, user_data: bytes) -> t.State: pass
+def vqt6_qtreewidget_connect_item_changed(tw: QtTreeWidgetPtr, cb: bytes, user_data: bytes) -> t.State: pass
+def vqt6_qtreewidget_connect_item_clicked(tw: QtTreeWidgetPtr, cb: bytes, user_data: bytes) -> t.State: pass
diff --git a/vqt6/_types.vp b/vqt6/_types.vp
index 86d1fe5..20beb31 100644
--- a/vqt6/_types.vp
+++ b/vqt6/_types.vp
@@ -58,6 +58,8 @@ QtRadioButtonPtr: t.CTypedef = t.CVoid | t.CPtr    # QRadioButton*
 QtComboBoxPtr: t.CTypedef = t.CVoid | t.CPtr       # QComboBox*
 QtListWidgetPtr: t.CTypedef = t.CVoid | t.CPtr     # QListWidget*
 QtListWidgetItemPtr: t.CTypedef = t.CVoid | t.CPtr # QListWidgetItem*
+QtTreeWidgetPtr: t.CTypedef = t.CVoid | t.CPtr     # QTreeWidget*
+QtTreeWidgetItemPtr: t.CTypedef = t.CVoid | t.CPtr # QTreeWidgetItem*
 QtProgressBarPtr: t.CTypedef = t.CVoid | t.CPtr    # QProgressBar*
 QtSliderPtr: t.CTypedef = t.CVoid | t.CPtr         # QSlider*
 QtSpinBoxPtr: t.CTypedef = t.CVoid | t.CPtr        # QSpinBox*