diff --git a/src/components/EditorCanvas/Area.jsx b/src/components/EditorCanvas/Area.jsx
index 490c0c7..eb47ce0 100644
--- a/src/components/EditorCanvas/Area.jsx
+++ b/src/components/EditorCanvas/Area.jsx
@@ -1,6 +1,11 @@
 import { useMemo, useRef, useState } from "react";
 import { Button, Popover, Input, ColorPicker } from "@douyinfe/semi-ui";
-import { IconEdit, IconDeleteStroked } from "@douyinfe/semi-icons";
+import {
+  IconEdit,
+  IconDeleteStroked,
+  IconLock,
+  IconUnlock,
+} from "@douyinfe/semi-icons";
 import { Tab, Action, ObjectType, State } from "../../data/constants";
 import {
   useCanvas,
@@ -30,6 +35,7 @@ export default function Area({
   const { layout } = useLayout();
   const { settings } = useSettings();
   const { setSaveState } = useSaveState();
+  const { updateArea } = useAreas();
   const { selectedElement, setSelectedElement, bulkSelectedElements } =
     useSelect();
 
@@ -45,6 +51,10 @@ export default function Area({
     });
   };
 
+  const lockUnlockArea = () => {
+    updateArea(data.id, { locked: !data.locked });
+  };
+
   const edit = () => {
     if (layout.sidebar) {
       setSelectedElement((prev) => ({
@@ -123,25 +133,36 @@ export default function Area({
               {data.name}
             </div>
             {(isHovered || (areaIsOpen() && !layout.sidebar)) && (
-              <Popover
-                visible={areaIsOpen() && !layout.sidebar}
-                onClickOutSide={onClickOutSide}
-                stopPropagation
-                content={<EditPopoverContent data={data} />}
-                trigger="custom"
-                position="rightTop"
-                showArrow
-              >
+              <div className="flex items-center gap-1.5">
                 <Button
-                  icon={<IconEdit />}
+                  icon={data.locked ? <IconLock /> : <IconUnlock />}
                   size="small"
                   theme="solid"
                   style={{
                     backgroundColor: "#2F68ADB3",
                   }}
-                  onClick={edit}
+                  onClick={lockUnlockArea}
                 />
-              </Popover>
+                <Popover
+                  visible={areaIsOpen() && !layout.sidebar}
+                  onClickOutSide={onClickOutSide}
+                  stopPropagation
+                  content={<EditPopoverContent data={data} />}
+                  trigger="custom"
+                  position="rightTop"
+                  showArrow
+                >
+                  <Button
+                    icon={<IconEdit />}
+                    size="small"
+                    theme="solid"
+                    style={{
+                      backgroundColor: "#2F68ADB3",
+                    }}
+                    onClick={edit}
+                  />
+                </Popover>
+              </div>
             )}
           </div>
         </div>
diff --git a/src/components/EditorCanvas/Canvas.jsx b/src/components/EditorCanvas/Canvas.jsx
index b5df796..4fb5234 100644
--- a/src/components/EditorCanvas/Canvas.jsx
+++ b/src/components/EditorCanvas/Canvas.jsx
@@ -126,6 +126,8 @@ export default function Canvas() {
     });
 
     areas.forEach((area) => {
+      if (area.locked) return;
+
       if (
         isInsideRect(
           {
@@ -145,6 +147,8 @@ export default function Canvas() {
     });
 
     notes.forEach((note) => {
+      if (note.locked) return;
+
       if (
         isInsideRect(
           {
@@ -333,11 +337,17 @@ export default function Canvas() {
       dragging.id !== null &&
       areaResize.id === -1
     ) {
+      const area = areas.find((t) => t.id === dragging.id);
+      if (area.locked) return;
+
       updateArea(dragging.id, {
         x: pointer.spaces.diagram.x + grabOffset.x,
         y: pointer.spaces.diagram.y + grabOffset.y,
       });
     } else if (dragging.element === ObjectType.NOTE && dragging.id !== null) {
+      const note = notes.find((t) => t.id === dragging.id);
+      if (note.locked) return;
+
       updateNote(dragging.id, {
         x: pointer.spaces.diagram.x + grabOffset.x,
         y: pointer.spaces.diagram.y + grabOffset.y,
diff --git a/src/components/EditorCanvas/Note.jsx b/src/components/EditorCanvas/Note.jsx
index 99a91ba..4703377 100644
--- a/src/components/EditorCanvas/Note.jsx
+++ b/src/components/EditorCanvas/Note.jsx
@@ -1,7 +1,12 @@
 import { useMemo, useState } from "react";
 import { Action, ObjectType, Tab, State } from "../../data/constants";
 import { Input, Button, Popover, ColorPicker } from "@douyinfe/semi-ui";
-import { IconEdit, IconDeleteStroked } from "@douyinfe/semi-icons";
+import {
+  IconEdit,
+  IconDeleteStroked,
+  IconLock,
+  IconUnlock,
+} from "@douyinfe/semi-icons";
 import {
   useLayout,
   useUndoRedo,
@@ -56,6 +61,10 @@ export default function Note({ data, onPointerDown }) {
     setRedoStack([]);
   };
 
+  const lockUnlockNote = () => {
+    updateNote(data.id, { locked: !data.locked });
+  };
+
   const edit = () => {
     setSelectedElement((prev) => ({
       ...prev,
@@ -152,7 +161,16 @@ export default function Note({ data, onPointerDown }) {
                 selectedElement.id === data.id &&
                 selectedElement.open &&
                 !layout.sidebar)) && (
-              <div>
+              <div className="flex items-center gap-1.5">
+                <Button
+                  icon={data.locked ? <IconLock /> : <IconUnlock />}
+                  size="small"
+                  theme="solid"
+                  style={{
+                    backgroundColor: "#2F68ADB3",
+                  }}
+                  onClick={lockUnlockNote}
+                />
                 <Popover
                   visible={
                     selectedElement.element === ObjectType.NOTE &&
diff --git a/src/context/AreasContext.jsx b/src/context/AreasContext.jsx
index a275777..4e5670d 100644
--- a/src/context/AreasContext.jsx
+++ b/src/context/AreasContext.jsx
@@ -33,6 +33,7 @@ export default function AreasContextProvider({ children }) {
           width,
           height,
           color: defaultBlue,
+          locked: false,
         },
       ]);
     }
diff --git a/src/context/NotesContext.jsx b/src/context/NotesContext.jsx
index 6a7a346..1797dc6 100644
--- a/src/context/NotesContext.jsx
+++ b/src/context/NotesContext.jsx
@@ -30,6 +30,7 @@ export default function NotesContextProvider({ children }) {
           y: transform.pan.y - height / 2,
           title: `note_${prev.length}`,
           content: "",
+          locked: false,
           color: defaultNoteTheme,
           height,
         },
diff --git a/src/data/schemas.js b/src/data/schemas.js
index 2efb885..b8c112c 100644
--- a/src/data/schemas.js
+++ b/src/data/schemas.js
@@ -68,6 +68,7 @@ export const areaSchema = {
     y: { type: "number" },
     width: { type: "number" },
     height: { type: "number" },
+    locked: { type: "boolean" },
     color: { type: "string", pattern: "^#[0-9a-fA-F]{6}$" },
   },
   required: ["id", "name", "x", "y", "width", "height", "color"],
@@ -83,6 +84,7 @@ export const noteSchema = {
     content: { type: "string" },
     color: { type: "string", pattern: "^#[0-9a-fA-F]{6}$" },
     height: { type: "number" },
+    locked: { type: "boolean" },
   },
   required: ["id", "x", "y", "title", "content", "color", "height"],
 };