diff --git a/src/api/biMark/index.js b/src/api/biMark/index.js
index cc5c2af..d9f91f1 100644
--- a/src/api/biMark/index.js
+++ b/src/api/biMark/index.js
@@ -60,3 +60,7 @@ export const getLargeScreenVideoPage = declareRequest(
   "biFullLoading",
   "Post > @/keyProject/keyProject/largeScreenVideoPage",
 );
+export const getClosedAreaListByCorpinfoId = declareRequest(
+  "biFullLoading",
+  "Post > @/primeport/closedArea/listByCorpinfoId",
+);
diff --git a/src/pages/Container/Map/components/BottomUtils/index.js b/src/pages/Container/Map/components/BottomUtils/index.js
index 07842c0..ac9259b 100644
--- a/src/pages/Container/Map/components/BottomUtils/index.js
+++ b/src/pages/Container/Map/components/BottomUtils/index.js
@@ -56,6 +56,15 @@ const branchOfficeItemAnimation = {
   visible: { y: 0, opacity: 1, transition: { duration: 0.3, ease: "easeOut" } },
 };
 
+// 接口使用分号分隔坐标点，仅保留可以组成多边形的有效封闭区域。
+const formatClosedAreas = (data = []) => data.map(item => ({
+  ...item,
+  position: (item.location || "").split(";").map((coordinate) => {
+    const [x, y] = coordinate.split(",").map(Number);
+    return { x, y };
+  }).filter(point => Number.isFinite(point.x) && Number.isFinite(point.y)),
+})).filter(item => item.position.length >= 3);
+
 function BottomUtils(props) {
   const {
     mapMethods,
@@ -104,6 +113,7 @@ function BottomUtils(props) {
     // 底部工具栏被外部操作重置时，人员定位的 WebSocket 和 Cesium 实体不会随勾选状态自动销毁，需要统一清理。
     peoplePositionDisconnect();
     mapMethods.current.removePeoplePointAll();
+    mapMethods.current.removePeoplePositionArea();
     setPeopleList([]);
     setList(produce((draft) => {
       draft.forEach((item) => {
@@ -189,20 +199,59 @@ function BottomUtils(props) {
 
   const optionsItemsClick = async (index, index1, item) => {
     const check = !list[index].list[index1].check;
-    updateOptionCheck(index, index1, check);
+
+    // 两种定位共用同一套人员实体和 WebSocket，冲突时保留当前状态并让用户主动取消已开启功能。
+    if (check && item.type === "person" && list.some(group => group.list?.some(option => option.type === "peoplePosition" && option.check))) {
+      message.warning("请先取消【人员定位】中的【人员定位】");
+      return;
+    }
+    if (check && item.type === "peoplePosition" && list.some(group => group.list?.some(option => option.type === "person" && option.check))) {
+      message.warning("请先取消【封闭区域】中的【人员】");
+      return;
+    }
 
     if (!check) {
       if (item.type === "peoplePosition") {
+        updateOptionCheck(index, index1, false);
         resetPeopleTrajectory(index);
         mapMethods.current.removePeopleTrajectory();
         peoplePositionDisconnect();
+        mapMethods.current.removePeoplePointAll();
+        mapMethods.current.removePeoplePositionArea();
+        setPeopleList([]);
         return;
       }
+      if (item.type === "person" && currentPort === "00003") {
+        updateOptionCheck(index, index1, false);
+        peoplePositionDisconnect();
+        mapMethods.current.removePeoplePointAll();
+        mapMethods.current.removePeoplePositionArea();
+        setPeopleList([]);
+        return;
+      }
+      updateOptionCheck(index, index1, false);
       mapMethods.current.removeMarkPoint(item.type);
       return;
     }
 
+    if (item.type === "person" && currentPort === "00003") {
+      const { data } = await props.getClosedAreaListByCorpinfoId({ corpinfoId: currentBranchOffice, pageIndex: 1, pageSize: 9999 });
+      const areaList = formatClosedAreas(data || []);
+      if (areaList.length === 0) {
+        message.warning("暂无有效封闭区域");
+        return;
+      }
+      updateOptionCheck(index, index1, true);
+      mapMethods.current.removePeoplePointAll();
+      mapMethods.current.addPeoplePositionArea(areaList);
+      mapMethods.current.initPeoplePositionClock();
+      peoplePositionConnect(areaList);
+      return;
+    }
+
     if (item.type === "peoplePosition" && currentPort === "00003") {
+      updateOptionCheck(index, index1, true);
+      mapMethods.current.removePeoplePositionArea();
       // 连接 WebSocket 前初始化本次定位会话的统一时钟，首批人员共享同一采样基准。
       mapMethods.current.initPeoplePositionClock();
       peoplePositionConnect();
@@ -215,11 +264,11 @@ function BottomUtils(props) {
       );
       if (!isPeoplePositionChecked) {
         message.warning("请先选择人员定位！！！");
-        updateOptionCheck(index, index1, false);
         return;
       }
     }
 
+    updateOptionCheck(index, index1, true);
     await addMarkPoint(item);
   };
 
diff --git a/src/pages/Container/Map/js/useMapMethods.js b/src/pages/Container/Map/js/useMapMethods.js
index 8124b2f..3d94036 100644
--- a/src/pages/Container/Map/js/useMapMethods.js
+++ b/src/pages/Container/Map/js/useMapMethods.js
@@ -255,6 +255,35 @@ export default function useMapMethods(viewerRef, request) {
     removeEntityCollection(viewer, "fourColorDiagramEntityCollection");
   };
 
+  // 人员点位使用贴地显示，区域也通过地形和 3D Tiles 分类贴地，避免零高度多边形被倾斜摄影遮挡。
+  const addPeoplePositionArea = (areaList = []) => {
+    const viewer = getViewer();
+    removeEntityCollection(viewer, "peoplePositionAreaEntityCollection");
+    const entityCollection = createEntityCollection("peoplePositionAreaEntityCollection");
+    viewer.dataSources.add(entityCollection);
+    areaList.forEach((area) => {
+      entityCollection.entities.add(
+        new Cesium.Entity({
+          id: createId(),
+          name: area.closedAreaName,
+          polygon: {
+            hierarchy: Cesium.Cartesian3.fromDegreesArray(formatPolygon(area)),
+            material: Cesium.Color.fromCssColorString("rgba(221,0,0,0.4)"),
+            outline: true,
+            outlineColor: Cesium.Color.fromCssColorString("rgba(51,35,108,0.63)"),
+            classificationType: Cesium.ClassificationType.BOTH,
+            zIndex: 1,
+          },
+        }),
+      );
+    });
+  };
+
+  const removePeoplePositionArea = () => {
+    const viewer = getViewer();
+    removeEntityCollection(viewer, "peoplePositionAreaEntityCollection");
+  };
+
   // 添加墙
   const addWall = (id, corpionId) => {
     const edgeMap = {
@@ -552,6 +581,8 @@ export default function useMapMethods(viewerRef, request) {
     removeBranchOfficePoint,
     addFourColorDiagram,
     removeFourColorDiagram,
+    addPeoplePositionArea,
+    removePeoplePositionArea,
     addWall,
     removeWall,
     addMarkPoint,
diff --git a/src/pages/Container/Map/js/usePeoplePosition.js b/src/pages/Container/Map/js/usePeoplePosition.js
index 06c67c1..5a991b1 100644
--- a/src/pages/Container/Map/js/usePeoplePosition.js
+++ b/src/pages/Container/Map/js/usePeoplePosition.js
@@ -1,11 +1,12 @@
 import { useWebSocket } from "ahooks";
 import { useRef } from "react";
 import edgeQHD from "./edge/qhd.js";
-import { isPointWithinTheArea } from "./utils";
+import { isPointInAreas, isPointWithinTheArea } from "./utils";
 
 export default function usePeoplePosition(mapMethods, currentBranchOffice, portArea, onPeopleChange) {
   const markType = "peoplePosition";
   const points = useRef([]);
+  const filterAreas = useRef([]);
 
   const wsProtocol = window.location.protocol === "https:" ? "wss:" : "ws:";
   // 生产环境的接口地址由 index.html 在运行时注入 window.process，不能使用会在打包阶段被替换的 process.env。
@@ -19,14 +20,27 @@ export default function usePeoplePosition(mapMethods, currentBranchOffice, portA
     const peopleList = Array.isArray(data) ? data : [data];
     for (let i = 0; i < peopleList.length; i++) {
       const item = peopleList[i];
+      if (!item?.locationRawJson)
+        continue;
       const location = JSON.parse(item.locationRawJson).position;
-      if (!item || !location || !location.lon || !location.lat)
+      if (!location || !location.lon || !location.lat)
+        continue;
+      const id = item.terminalNo || item.staffNo;
+      if (!id)
         continue;
       const index = points.current.findIndex(
-        item1 => item1.id.toString() === (item.terminalNo || item.staffNo).toString(),
+        item1 => item1.id.toString() === id.toString(),
       );
       const x = location.lon;
       const y = location.lat;
+      // 封闭区域模式只保留围栏内人员；人员离开围栏后立即移除已有点位。
+      if (filterAreas.current.length > 0 && !isPointInAreas(filterAreas.current, x, y)) {
+        if (index !== -1) {
+          mapMethods.current?.removePeoplePoint(points.current[index].id);
+          points.current.splice(index, 1);
+        }
+        continue;
+      }
       const pointColor = isPointWithinTheArea(edgeQHD(), x, y);
       if (index !== -1) {
         points.current[index].x = x;
@@ -37,7 +51,7 @@ export default function usePeoplePosition(mapMethods, currentBranchOffice, portA
       else {
         const perLoc = {
           ...item,
-          id: item.terminalNo || item.staffNo,
+          id,
           name: item.staffName,
           x,
           y,
@@ -66,5 +80,15 @@ export default function usePeoplePosition(mapMethods, currentBranchOffice, portA
     },
   );
 
-  return { connect, disconnect };
+  const connectPeoplePosition = (areas = []) => {
+    filterAreas.current = areas;
+    connect();
+  };
+
+  const disconnectPeoplePosition = () => {
+    filterAreas.current = [];
+    disconnect();
+  };
+
+  return { connect: connectPeoplePosition, disconnect: disconnectPeoplePosition };
 }
diff --git a/src/pages/Container/Map/js/utils.js b/src/pages/Container/Map/js/utils.js
index 968798b..2c9ae1d 100644
--- a/src/pages/Container/Map/js/utils.js
+++ b/src/pages/Container/Map/js/utils.js
@@ -246,7 +246,7 @@ export function textFormatter(value, maxLength = 4) {
   }
 }
 
-const isPointInPolygon = (polygon, lng, lat) => {
+export const isPointInPolygon = (polygon, lng, lat) => {
   const numberOfPoints = polygon.length;
   const polygonLats = [];
   const polygonLngs = [];
@@ -273,19 +273,19 @@ const isPointInPolygon = (polygon, lng, lat) => {
   }
   return polygonContainsPoint;
 };
-const forEachIsPointInPolygon = (polygonList = [], lng, lat) => {
+export const isPointInAreas = (polygonList = [], lng, lat) => {
   return polygonList.some((item) => {
     return isPointInPolygon(item.position, lng, lat);
   });
 };
 export const isPointWithinTheArea = (pointBox = {}, x, y) => {
-  if (forEachIsPointInPolygon(pointBox.redList, x, y)) {
+  if (isPointInAreas(pointBox.redList, x, y)) {
     return "red";
   }
-  else if (forEachIsPointInPolygon(pointBox.orangeList, x, y)) {
+  else if (isPointInAreas(pointBox.orangeList, x, y)) {
     return "orange";
   }
-  else if (forEachIsPointInPolygon(pointBox.yellowList, x, y)) {
+  else if (isPointInAreas(pointBox.yellowList, x, y)) {
     return "yellow";
   }
   else {