diff --git a/src/docx/document.py b/src/docx/document.py
index 73757b46d..6980fbf58 100644
--- a/src/docx/document.py
+++ b/src/docx/document.py
@@ -245,6 +245,16 @@ def _body(self) -> _Body:
             self.__body = _Body(self._element.body, self)
         return self.__body
 
+    def add_chart(self, cx, cy, chart_part):
+        """
+        :param cx: width
+        :param cy: height
+        :param chart_part
+        :return: chart part
+        """
+        run = self.add_paragraph().add_run()
+        return run.add_chart(cx, cy, chart_part)
+
 
 class _Body(BlockItemContainer):
     """Proxy for `<w:body>` element in this document.
diff --git a/src/docx/opc/package.py b/src/docx/opc/package.py
index 3c1cdca22..ed26d99d9 100644
--- a/src/docx/opc/package.py
+++ b/src/docx/opc/package.py
@@ -162,7 +162,10 @@ def save(self, pkg_file: str | IO[bytes]):
         `pkg_file` can be either a file-path or a file-like object.
         """
         for part in self.parts:
-            part.before_marshal()
+            try:
+                part.before_marshal()  # 尝试调用各Part的预处理方法
+            except AttributeError:  # 如果Part没有此方法则忽略异常
+                pass
         PackageWriter.write(pkg_file, self.rels, self.parts)
 
     @property
diff --git a/src/docx/oxml/__init__.py b/src/docx/oxml/__init__.py
index 37f608cef..1c6c143e2 100644
--- a/src/docx/oxml/__init__.py
+++ b/src/docx/oxml/__init__.py
@@ -23,6 +23,7 @@
     CT_PositiveSize2D,
     CT_ShapeProperties,
     CT_Transform2D,
+    CT_Chart,
 )
 from docx.oxml.shared import CT_DecimalNumber, CT_OnOff, CT_String
 from docx.oxml.text.hyperlink import CT_Hyperlink
@@ -60,6 +61,7 @@
 register_element_cls("wp:docPr", CT_NonVisualDrawingProps)
 register_element_cls("wp:extent", CT_PositiveSize2D)
 register_element_cls("wp:inline", CT_Inline)
+register_element_cls("c:chart", CT_Chart)
 
 # ---------------------------------------------------------------------------
 # hyperlink-related elements
diff --git a/src/docx/oxml/shape.py b/src/docx/oxml/shape.py
index c6df8e7b8..309c44643 100644
--- a/src/docx/oxml/shape.py
+++ b/src/docx/oxml/shape.py
@@ -62,6 +62,7 @@ class CT_GraphicalObjectData(BaseOxmlElement):
     """``<a:graphicData>`` element, container for the XML of a DrawingML object."""
 
     pic: CT_Picture = ZeroOrOne("pic:pic")  # pyright: ignore[reportAssignmentType]
+    cChart = ZeroOrOne("c:chart")
     uri: str = RequiredAttribute("uri", XsdToken)  # pyright: ignore[reportAssignmentType]
 
 
@@ -117,6 +118,32 @@ def _inline_xml(cls):
             "</wp:inline>" % nsdecls("wp", "a", "pic", "r")
         )
 
+    @classmethod
+    def new_chart_inline(cls, shape_id, rId, cx, cy):
+        """
+        创建一个新的图表内联对象。
+        """
+        inline = parse_xml(cls._chart_xml())
+        inline.extent.cx = cx
+        inline.extent.cy = cy
+        chart = CT_Chart.new(rId)
+        inline.graphic.graphicData._insert_cChart(chart)
+        return inline
+
+    @classmethod
+    def _chart_xml(cls):
+        return (
+                "<wp:inline %s>\n"
+                "  <wp:extent cx='0' cy='0'/>\n"
+                '  <wp:effectExtent l="0" t="0" r="0" b="0"/>\n'
+                '  <wp:docPr id="1" name="Chart 1"/>\n'
+                "  <wp:cNvGraphicFramePr/>\n"
+                "  <a:graphic %s>\n"
+                '    <a:graphicData uri="http://schemas.openxmlformats.org/drawingml/2006/chart"/>\n'
+                "  </a:graphic>\n"
+                "</wp:inline>" % (nsdecls("wp", "a"), nsdecls("a"))
+        )
+
 
 class CT_NonVisualDrawingProps(BaseOxmlElement):
     """Used for ``<wp:docPr>`` element, and perhaps others.
@@ -297,3 +324,15 @@ def cy(self):
     def cy(self, value):
         ext = self.get_or_add_ext()
         ext.cy = value
+
+
+class CT_Chart(BaseOxmlElement):
+    @classmethod
+    def new(cls, rId):
+        chart = parse_xml(cls._chart_xml(rId))
+        chart.id = rId
+        return chart
+
+    @classmethod
+    def _chart_xml(cls, rId):
+        return '<c:chart %s r:id="%s"/>\n' % (nsdecls("c", "r"), rId)
\ No newline at end of file
diff --git a/src/docx/parts/document.py b/src/docx/parts/document.py
index 4960264b1..4bae2663b 100644
--- a/src/docx/parts/document.py
+++ b/src/docx/parts/document.py
@@ -14,6 +14,7 @@
 from docx.parts.styles import StylesPart
 from docx.shape import InlineShapes
 from docx.shared import lazyproperty
+from docx.oxml.shape import CT_GraphicalObjectData, CT_Inline
 
 if TYPE_CHECKING:
     from docx.comments import Comments
@@ -167,3 +168,12 @@ def _styles_part(self) -> StylesPart:
             styles_part = StylesPart.default(package)
             self.relate_to(styles_part, RT.STYLES)
             return styles_part
+
+    def get_or_add_chart(self, cx, cy, chart_part):
+        rId = self.relate_to(chart_part, RT.CHART)
+        return rId, chart_part.chart
+
+    def new_chart_inline(self, cx, cy, chart_part):
+        rId, chart = self.get_or_add_chart(cx, cy, chart_part)
+        shape_id = self.next_id
+        return CT_Inline.new_chart_inline(shape_id, rId, cx, cy), chart
diff --git a/src/docx/text/run.py b/src/docx/text/run.py
index 57ea31fa4..7fa5cf278 100644
--- a/src/docx/text/run.py
+++ b/src/docx/text/run.py
@@ -248,6 +248,11 @@ def underline(self) -> bool | WD_UNDERLINE | None:
     def underline(self, value: bool | WD_UNDERLINE | None):
         self.font.underline = value
 
+    def add_chart(self, cx, cy, chart_part):
+        inline, chart = self.part.new_chart_inline(cx, cy, chart_part)
+        self._r.add_drawing(inline)
+        return chart
+
 
 class _Text:
     """Proxy object wrapping `<w:t>` element."""