diff --git a/frontend/src/metadata/views/map/index.js b/frontend/src/metadata/views/map/index.js
index df78a5a991..b6d25eecce 100644
--- a/frontend/src/metadata/views/map/index.js
+++ b/frontend/src/metadata/views/map/index.js
@@ -1,11 +1,10 @@
-import React, { useCallback, useEffect, useMemo, useRef, useState } from 'react';
+import React, { useEffect, useMemo } from 'react';
 import { getFileNameFromRecord, getFileTypeFromRecord, getImageLocationFromRecord, getParentDirFromRecord, getRecordIdFromRecord } from '../../utils/cell';
-import ClusterPhotos from './cluster-photos';
 import MapView from './map-view';
 import { PREDEFINED_FILE_TYPE_OPTION_KEY } from '../../constants';
 import { useMetadataView } from '../../hooks/metadata-view';
 import { Utils } from '../../../utils/utils';
-import { gettext, siteRoot, thumbnailSizeForGrid } from '../../../utils/constants';
+import { fileServerRoot, siteRoot, thumbnailSizeForGrid, thumbnailSizeForOriginal } from '../../../utils/constants';
 import { isValidPosition } from '../../utils/validate';
 import { gcj02_to_bd09, wgs84_to_gcj02 } from '../../../utils/coord-transform';
 import { PRIVATE_FILE_TYPE } from '../../../constants';
@@ -13,12 +12,10 @@ import { PRIVATE_FILE_TYPE } from '../../../constants';
 import './index.css';
 
 const Map = () => {
-  const [showCluster, setShowCluster] = useState(false);
   const { metadata, viewID, updateCurrentPath } = useMetadataView();
 
-  const clusterRef = useRef([]);
-
   const repoID = window.sfMetadataContext.getSetting('repoID');
+  const repoInfo = window.sfMetadataContext.getSetting('repoInfo');
 
   const images = useMemo(() => {
     return metadata.rows
@@ -26,44 +23,47 @@ const Map = () => {
         const recordType = getFileTypeFromRecord(record);
         if (recordType !== PREDEFINED_FILE_TYPE_OPTION_KEY.PICTURE) return null;
         const id = getRecordIdFromRecord(record);
-        const fileName = getFileNameFromRecord(record);
+        const name = getFileNameFromRecord(record);
         const parentDir = getParentDirFromRecord(record);
-        const path = Utils.encodePath(Utils.joinPath(parentDir, fileName));
-        const src = `${siteRoot}thumbnail/${repoID}/${thumbnailSizeForGrid}${path}`;
+        const path = Utils.encodePath(Utils.joinPath(parentDir, name));
         const location = getImageLocationFromRecord(record);
         if (!location) return null;
         const { lng, lat } = location;
         if (!isValidPosition(lng, lat)) return null;
         const gcPosition = wgs84_to_gcj02(lng, lat);
         const bdPosition = gcj02_to_bd09(gcPosition.lng, gcPosition.lat);
-        return { id, src, lng: bdPosition.lng, lat: bdPosition.lat };
+
+        const repoEncrypted = repoInfo.encrypted;
+        const cacheBuster = new Date().getTime();
+        const fileExt = name.substr(name.lastIndexOf('.') + 1).toLowerCase();
+        let thumbnail = '';
+        const isGIF = fileExt === 'gif';
+        if (repoEncrypted || isGIF) {
+          thumbnail = `${siteRoot}repo/${repoID}/raw${path}?t=${cacheBuster}`;
+        } else {
+          thumbnail = `${siteRoot}thumbnail/${repoID}/${thumbnailSizeForOriginal}${path}`;
+        }
+
+        return {
+          id,
+          name,
+          src: `${siteRoot}thumbnail/${repoID}/${thumbnailSizeForGrid}${path}`,
+          url: `${siteRoot}lib/${repoID}/file${path}`,
+          downloadURL: `${fileServerRoot}repos/${repoID}/files${path}?op=download`,
+          thumbnail,
+          parentDir,
+          location: { lng: bdPosition.lng, lat: bdPosition.lat }
+        };
       })
       .filter(Boolean);
-  }, [repoID, metadata.rows]);
-
-  const openCluster = useCallback((clusterIds) => {
-    clusterRef.current = clusterIds;
-    updateCurrentPath(`/${PRIVATE_FILE_TYPE.FILE_EXTENDED_PROPERTIES}/${viewID}/${gettext('Location')}`);
-    setShowCluster(true);
-  // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [viewID, updateCurrentPath]);
-
-  const closeCluster = useCallback(() => {
-    clusterRef.current = [];
-    updateCurrentPath(`/${PRIVATE_FILE_TYPE.FILE_EXTENDED_PROPERTIES}/${viewID}`);
-    setShowCluster(false);
-  }, [viewID, updateCurrentPath]);
+  }, [repoID, repoInfo.encrypted, metadata]);
 
   useEffect(() => {
     updateCurrentPath(`/${PRIVATE_FILE_TYPE.FILE_EXTENDED_PROPERTIES}/${viewID}`);
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, []);
 
-  if (showCluster) {
-    return (<ClusterPhotos photoIds={clusterRef.current} onClose={closeCluster} />);
-  }
-
-  return (<MapView images={images} onOpenCluster={openCluster} />);
+  return (<MapView images={images} />);
 };
 
 export default Map;
diff --git a/frontend/src/metadata/views/map/map-view/index.js b/frontend/src/metadata/views/map/map-view/index.js
index 9b07c82a03..dea03ed4b7 100644
--- a/frontend/src/metadata/views/map/map-view/index.js
+++ b/frontend/src/metadata/views/map/map-view/index.js
@@ -1,4 +1,4 @@
-import React, { useCallback, useEffect, useMemo, useRef } from 'react';
+import React, { useCallback, useEffect, useMemo, useRef, useState } from 'react';
 import PropTypes from 'prop-types';
 import loadBMap, { initMapInfo } from '../../../../utils/map-utils';
 import { appAvatarURL, baiduMapKey, googleMapKey, mediaUrl } from '../../../../utils/constants';
@@ -8,21 +8,27 @@ import { MAP_TYPE as MAP_PROVIDER } from '../../../../constants';
 import { EVENT_BUS_TYPE, MAP_TYPE, STORAGE_MAP_CENTER_KEY, STORAGE_MAP_TYPE_KEY, STORAGE_MAP_ZOOM_KEY } from '../../../constants';
 import { createBMapGeolocationControl, createBMapZoomControl } from './control';
 import { customAvatarOverlay, customImageOverlay } from './overlay';
+import ModalPortal from '../../../../components/modal-portal';
+import ImageDialog from '../../../../components/dialog/image-dialog';
 
 import './index.css';
 
 const DEFAULT_POSITION = { lng: 104.195, lat: 35.861 };
 const DEFAULT_ZOOM = 4;
-const BATCH_SIZE = 500;
 const MAX_ZOOM = 21;
 const MIN_ZOOM = 3;
 
-const MapView = ({ images, onOpenCluster }) => {
+const MapView = ({ images }) => {
+  const [imageIndex, setImageIndex] = useState(0);
+  const [clusterLeaveIds, setClusterLeaveIds] = useState([]);
+
   const mapInfo = useMemo(() => initMapInfo({ baiduMapKey, googleMapKey }), []);
+  const clusterLeaves = useMemo(() => images.filter(image => clusterLeaveIds.includes(image.id)), [images, clusterLeaveIds]);
 
   const mapRef = useRef(null);
   const clusterRef = useRef(null);
   const batchIndexRef = useRef(0);
+  const clickTimeoutRef = useRef(null);
 
   const saveMapState = useCallback(() => {
     if (!mapRef.current) return;
@@ -68,44 +74,57 @@ const MapView = ({ images, onOpenCluster }) => {
     return { center: savedCenter, zoom: savedZoom };
   }, []);
 
-  const onClickMarker = useCallback((e, markers) => {
-    saveMapState();
-    const imageIds = markers.map(marker => marker._id);
-    onOpenCluster(imageIds);
-  }, [onOpenCluster, saveMapState]);
-
-  const renderMarkersBatch = useCallback(() => {
-    if (!images.length || !clusterRef.current) return;
-
-    const startIndex = batchIndexRef.current * BATCH_SIZE;
-    const endIndex = Math.min(startIndex + BATCH_SIZE, images.length);
-    const batchMarkers = [];
-
-    for (let i = startIndex; i < endIndex; i++) {
-      const image = images[i];
-      const { lng, lat } = image;
-      const point = new window.BMapGL.Point(lng, lat);
-      const marker = customImageOverlay(point, image, {
-        callback: (e, markers) => onClickMarker(e, markers)
-      });
-      batchMarkers.push(marker);
-    }
-    clusterRef.current.addMarkers(batchMarkers);
-
-    if (endIndex < images.length) {
-      batchIndexRef.current += 1;
-      setTimeout(renderMarkersBatch, 20); // Schedule the next batch
-    }
-  }, [images, onClickMarker]);
+  const getPoints = useCallback((images) => {
+    if (!window.Cluster || !images) return [];
+    return window.Cluster.pointTransformer(images, (data) => ({
+      point: [data.location.lng, data.location.lat],
+      properties: {
+        id: data.id,
+        src: data.src,
+      }
+    }));
+  }, []);
 
   const initializeCluster = useCallback(() => {
-    if (mapRef.current && !clusterRef.current) {
-      clusterRef.current = new window.BMapLib.MarkerCluster(mapRef.current, {
-        callback: (e, markers) => onClickMarker(e, markers),
-        maxZoom: 21,
-      });
-    }
-  }, [onClickMarker]);
+    clusterRef.current = new window.Cluster.View(mapRef.current, {
+      clusterRadius: 80,
+      updateRealTime: true,
+      fitViewOnClick: false,
+      isAnimation: true,
+      clusterMap: (properties) => ({ src: properties.src, id: properties.id }),
+      clusterReduce: (acc, properties) => {
+        if (!acc.properties) {
+          acc.properties = [];
+        }
+        acc.properties.push(properties);
+      },
+      renderClusterStyle: {
+        type: window.Cluster.ClusterRender.DOM,
+        inject: (props) => customImageOverlay(props),
+      },
+    });
+
+    clusterRef.current.setData(getPoints(images));
+
+    clusterRef.current.on(window.Cluster.ClusterEvent.CLICK, (element) => {
+      if (clickTimeoutRef.current) {
+        clearTimeout(clickTimeoutRef.current);
+        clickTimeoutRef.current = null;
+        return;
+      } else {
+        clickTimeoutRef.current = setTimeout(() => {
+          let imageIds = [];
+          if (element.isCluster) {
+            imageIds = clusterRef.current.getLeaves(element.id).map(item => item.properties.id).filter(Boolean);
+          } else {
+            imageIds = [element.properties.id];
+          }
+          clickTimeoutRef.current = null;
+          setClusterLeaveIds(imageIds);
+        }, 300);
+      }
+    });
+  }, [images, getPoints]);
 
   const renderBaiduMap = useCallback(() => {
     if (!mapRef.current || !window.BMapGL.Map) return;
@@ -141,8 +160,20 @@ const MapView = ({ images, onOpenCluster }) => {
     initializeCluster();
 
     batchIndexRef.current = 0;
-    renderMarkersBatch();
-  }, [addMapController, initializeCluster, initializeUserMarker, renderMarkersBatch, getBMapType, loadMapState]);
+  }, [addMapController, initializeCluster, initializeUserMarker, getBMapType, loadMapState]);
+
+  const handleClose = useCallback(() => {
+    setImageIndex(0);
+    setClusterLeaveIds([]);
+  }, []);
+
+  const moveToPrevImage = useCallback(() => {
+    setImageIndex((imageIndex + clusterLeaves.length - 1) % clusterLeaves.length);
+  }, [imageIndex, clusterLeaves.length]);
+
+  const moveToNextImage = useCallback(() => {
+    setImageIndex((imageIndex + 1) % clusterLeaves.length);
+  }, [imageIndex, clusterLeaves.length]);
 
   useEffect(() => {
     const modifyMapTypeSubscribe = window.sfMetadataContext.eventBus.subscribe(EVENT_BUS_TYPE.MODIFY_MAP_TYPE, (newType) => {
@@ -172,6 +203,17 @@ const MapView = ({ images, onOpenCluster }) => {
   return (
     <div className="sf-metadata-view-map">
       <div className="sf-metadata-map-container" ref={mapRef} id="sf-metadata-map-container"></div>
+      {clusterLeaveIds.length > 0 && (
+        <ModalPortal>
+          <ImageDialog
+            imageItems={clusterLeaves}
+            imageIndex={imageIndex}
+            closeImagePopup={handleClose}
+            moveToPrevImage={moveToPrevImage}
+            moveToNextImage={moveToNextImage}
+          />
+        </ModalPortal>
+      )}
     </div>
   );
 };
diff --git a/frontend/src/metadata/views/map/map-view/overlay/custom-image-overlay.js b/frontend/src/metadata/views/map/map-view/overlay/custom-image-overlay.js
index 871e004617..60e5e77c3c 100644
--- a/frontend/src/metadata/views/map/map-view/overlay/custom-image-overlay.js
+++ b/frontend/src/metadata/views/map/map-view/overlay/custom-image-overlay.js
@@ -1,86 +1,36 @@
-import { Utils } from '../../../../../utils/utils';
+const OVERLAY_SIZE = 80;
 
-const customImageOverlay = (center, image, callback) => {
-  class ImageOverlay extends window.BMapLib.TextIconOverlay {
-    constructor(center, image, { callback } = {}) {
-      super(center, '', { styles: [] });
-      this._center = center;
-      this._URL = image.src;
-      this._id = image.id;
-      this._callback = callback;
-    }
+const customImageOverlay = (props) => {
+  const { isCluster, pointCount, reduces } = props;
+  const src = isCluster ? reduces.src : props.src;
 
-    initialize(map) {
-      this._map = map;
-      const div = document.createElement('div');
-      div.style.position = 'absolute';
-      div.style.zIndex = 2000;
-      map.getPanes().markerPane.appendChild(div);
-      this._div = div;
+  const div = document.createElement('div');
+  div.style.position = 'absolute';
 
-      const imageElement = `<img src=${this._URL} />`;
-      const htmlString =
-        `
-          <div class="custom-image-container">
-            ${this._URL ? imageElement : '<div class="empty-custom-image-wrapper"></div>'}
-          </div>
-        `;
-      const labelDocument = new DOMParser().parseFromString(htmlString, 'text/html');
-      const label = labelDocument.body.firstElementChild;
-      this._div.append(label);
+  const container = document.createElement('div');
+  container.className = 'custom-image-container';
 
-      const eventHandler = (event) => {
-        event.preventDefault();
-        this._callback && this._callback(event, [{ _id: this._id }]);
-      };
-
-      if (Utils.isDesktop()) {
-        let clickTimeout;
-        this._div.addEventListener('click', (event) => {
-          if (clickTimeout) {
-            clearTimeout(clickTimeout);
-            clickTimeout = null;
-            return;
-          }
-          clickTimeout = setTimeout(() => {
-            eventHandler(event);
-            clickTimeout = null;
-          }, 300);
-        });
-        this._div.addEventListener('dblclick', (e) => {
-          e.preventDefault();
-          if (clickTimeout) {
-            clearTimeout(clickTimeout);
-            clickTimeout = null;
-          }
-        });
-      } else {
-        this._div.addEventListener('touchend', eventHandler);
-      }
-
-      return div;
-    }
-
-    draw() {
-      const position = this._map.pointToOverlayPixel(this._center);
-      this._div.style.left = position.x - 40 + 'px'; // 40 is 1/2 container height
-      this._div.style.top = position.y - 88 + 'px'; // 80 is container height and 8 is icon height
-    }
-
-    getImageUrl() {
-      return image.src || '';
-    }
-
-    getPosition() {
-      return center;
-    }
-
-    getMap() {
-      return this._map || null;
-    }
+  if (isCluster && pointCount > 1) {
+    const customImageNumber = document.createElement('span');
+    customImageNumber.className = 'custom-image-number';
+    customImageNumber.innerText = pointCount < 1000 ? pointCount : '1k+';
+    container.appendChild(customImageNumber);
   }
 
-  return new ImageOverlay(center, image, callback);
+  if (src) {
+    const imageElement = document.createElement('img');
+    imageElement.src = src;
+    imageElement.width = OVERLAY_SIZE;
+    imageElement.height = OVERLAY_SIZE;
+    container.appendChild(imageElement);
+  } else {
+    const emptyImageWrapper = document.createElement('div');
+    emptyImageWrapper.className = 'empty-custom-image-wrapper';
+    container.appendChild(emptyImageWrapper);
+  }
+
+  div.appendChild(container);
+  return div;
 };
 
 export default customImageOverlay;
diff --git a/frontend/src/utils/map-utils.js b/frontend/src/utils/map-utils.js
index dfa0982225..7fc88af689 100644
--- a/frontend/src/utils/map-utils.js
+++ b/frontend/src/utils/map-utils.js
@@ -31,9 +31,12 @@ export const loadMapSource = (type, key, callback) => {
 
 export default function loadBMap(ak) {
   return new Promise((resolve, reject) => {
+    if (typeof window.BMapGL !== 'undefined' && document.querySelector(`script[src*="${mediaUrl}js/map/cluster.js"]`)) {
+      resolve(true);
+      return;
+    }
     asyncLoadBaiduJs(ak)
-      .then(() => asyncLoadJs(`${mediaUrl}/js/map/text-icon-overlay.js?v=${STATIC_RESOURCE_VERSION}`))
-      .then(() => asyncLoadJs(`${mediaUrl}/js/map/marker-cluster.js?v=${STATIC_RESOURCE_VERSION}`))
+      .then(() => asyncLoadJs(`${mediaUrl}js/map/cluster.js`))
       .then(() => resolve(true))
       .catch((err) => reject(err));
   });
diff --git a/media/js/map/cluster.js b/media/js/map/cluster.js
new file mode 100644
index 0000000000..90da9ede1b
--- /dev/null
+++ b/media/js/map/cluster.js
@@ -0,0 +1 @@
+!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t="undefined"!=typeof globalThis?globalThis:t||self).Cluster=e()}(this,(function(){"use strict";class t{constructor(e){this._hashCode=null!=e?e:t.guid()}getHandlers(t){let e=this._events||(this._events=new Map);return e.has(t)||e.set(t,new Map),e.get(t)}on(e,s){if("function"!=typeof s)return;this.getHandlers(e).set(s,t.guid())}addEventListener(t,e){this.on(t,e)}off(t,e){var s;let i=this.getHandlers(t);e?i.has(e)&&i.delete(e):null===(s=this._events)||void 0===s||s.clear()}removeEventListener(t,e){this.off(t,e)}fire(t,e){let s=Array.from(this.getHandlers(t).entries());for(const[t]of s)t.call(this,e)}dispatchEvent(t,e){this.fire(t,e)}destroy(){var t;null===(t=this._events)||void 0===t||t.clear(),this._events=null}get hashCode(){return this._hashCode}static guid(){return"xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g,(function(t){let e=16*Math.random()|0;return("x"==t?e:3&e|8).toString(16)}))}}var e,s,i,r;!function(t){t.CLICK="click",t.MOUSE_OVER="mouseover",t.MOUSE_OUT="mouseout",t.CHANGE="change",t.DESTROY="destroy"}(e||(e={})),function(t){t.DIS_PIXEL="dis-pixel",t.ATTR_REF="attribute",t.GEO_FENCE="geo-fence"}(s||(s={})),function(t){t.DOM="dom",t.WEBGL="webgl"}(i||(i={})),function(t){t.MULTI="multi",t.SINGLE="single"}(r||(r={}));const n=[Int8Array,Uint8Array,Uint8ClampedArray,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array];class o{static from(t){if(!(t instanceof ArrayBuffer))throw new Error("Data must be an instance of ArrayBuffer.");const[e,s]=new Uint8Array(t,0,2);if(219!==e)throw new Error("Data does not appear to be in a KDBush format.");const i=s>>4;if(1!==i)throw new Error(`Got v${i} data when expected v1.`);const r=n[15&s];if(!r)throw new Error("Unrecognized array type.");const[l]=new Uint16Array(t,2,1),[h]=new Uint32Array(t,4,1);return new o(h,l,r,t)}constructor(t,e=64,s=Float64Array,i){if(isNaN(t)||t<0)throw new Error(`Unpexpected numItems value: ${t}.`);this.numItems=+t,this.nodeSize=Math.min(Math.max(+e,2),65535),this.ArrayType=s,this.IndexArrayType=t<65536?Uint16Array:Uint32Array;const r=n.indexOf(this.ArrayType),o=2*t*this.ArrayType.BYTES_PER_ELEMENT,l=t*this.IndexArrayType.BYTES_PER_ELEMENT,h=(8-l%8)%8;if(r<0)throw new Error(`Unexpected typed array class: ${s}.`);i&&i instanceof ArrayBuffer?(this.data=i,this.ids=new this.IndexArrayType(this.data,8,t),this.coords=new this.ArrayType(this.data,8+l+h,2*t),this._pos=2*t,this._finished=!0):(this.data=new ArrayBuffer(8+o+l+h),this.ids=new this.IndexArrayType(this.data,8,t),this.coords=new this.ArrayType(this.data,8+l+h,2*t),this._pos=0,this._finished=!1,new Uint8Array(this.data,0,2).set([219,16+r]),new Uint16Array(this.data,2,1)[0]=e,new Uint32Array(this.data,4,1)[0]=t)}add(t,e){const s=this._pos>>1;return this.ids[s]=s,this.coords[this._pos++]=t,this.coords[this._pos++]=e,s}finish(){const t=this._pos>>1;if(t!==this.numItems)throw new Error(`Added ${t} items when expected ${this.numItems}.`);return l(this.ids,this.coords,this.nodeSize,0,this.numItems-1,0),this._finished=!0,this}range(t,e,s,i){if(!this._finished)throw new Error("Data not yet indexed - call index.finish().");const{ids:r,coords:n,nodeSize:o}=this,l=[0,r.length-1,0],h=[];for(;l.length;){const a=l.pop()||0,u=l.pop()||0,p=l.pop()||0;if(u-p<=o){for(let o=p;o<=u;o++){const l=n[2*o],a=n[2*o+1];l>=t&&l<=s&&a>=e&&a<=i&&h.push(r[o])}continue}const c=p+u>>1,g=n[2*c],d=n[2*c+1];g>=t&&g<=s&&d>=e&&d<=i&&h.push(r[c]),(0===a?t<=g:e<=d)&&(l.push(p),l.push(c-1),l.push(1-a)),(0===a?s>=g:i>=d)&&(l.push(c+1),l.push(u),l.push(1-a))}return h}within(t,e,s){if(!this._finished)throw new Error("Data not yet indexed - call index.finish().");const{ids:i,coords:r,nodeSize:n}=this,o=[0,i.length-1,0],l=[],h=s*s;for(;o.length;){const 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r=t-s,n=e-i;return r*r+n*n}function c(t){return!isNaN(t)&&null!==t&&!Array.isArray(t)}function g(t,e,s){if(null!==t)for(var i,r,n,o,l,h,a,u,p=0,c=0,d=t.type,y="FeatureCollection"===d,m="Feature"===d,f=y?t.features.length:1,_=0;_<f;_++){l=(u=!!(a=y?t.features[_].geometry:m?t.geometry:t)&&"GeometryCollection"===a.type)?a.geometries.length:1;for(var w=0;w<l;w++){var E=0,O=0;if(null!==(o=u?a.geometries[w]:a)){h=o.coordinates;var T=o.type;switch(p=!s||"Polygon"!==T&&"MultiPolygon"!==T?0:1,T){case null:break;case"Point":if(!1===e(h,c,_,E,O))return!1;c++,E++;break;case"LineString":case"MultiPoint":for(i=0;i<h.length;i++){if(!1===e(h[i],c,_,E,O))return!1;c++,"MultiPoint"===T&&E++}"LineString"===T&&E++;break;case"Polygon":case"MultiLineString":for(i=0;i<h.length;i++){for(r=0;r<h[i].length-p;r++){if(!1===e(h[i][r],c,_,E,O))return!1;c++}"MultiLineString"===T&&E++,"Polygon"===T&&O++}"Polygon"===T&&E++;break;case"MultiPolygon":for(i=0;i<h.length;i++){for(O=0,r=0;r<h[i].length;r++){for(n=0;n<h[i][r].length-p;n++){if(!1===e(h[i][r][n],c,_,E,O))return!1;c++}O++}E++}break;case"GeometryCollection":for(i=0;i<o.geometries.length;i++)if(!1===g(o.geometries[i],e,s))return!1;break;default:throw new Error("Unknown Geometry Type")}}}}}function d(t){var e=[1/0,1/0,-1/0,-1/0];return g(t,(function(t){e[0]>t[0]&&(e[0]=t[0]),e[1]>t[1]&&(e[1]=t[1]),e[2]<t[0]&&(e[2]=t[0]),e[3]<t[1]&&(e[3]=t[1])})),e}function y(t,e,s){if(void 0===s&&(s={}),!t)throw new Error("point is required");if(!e)throw new Error("polygon is required");var i,r=function(t){if(!t)throw new Error("coord is required");if(!Array.isArray(t)){if("Feature"===t.type&&null!==t.geometry&&"Point"===t.geometry.type)return t.geometry.coordinates;if("Point"===t.type)return t.coordinates}if(Array.isArray(t)&&t.length>=2&&!Array.isArray(t[0])&&!Array.isArray(t[1]))return t;throw new Error("coord must be GeoJSON Point or an Array of numbers")}(t),n="Feature"===(i=e).type?i.geometry:i,o=n.type,l=e.bbox,h=n.coordinates;if(l&&!1===function(t,e){return e[0]<=t[0]&&e[1]<=t[1]&&e[2]>=t[0]&&e[3]>=t[1]}(r,l))return!1;"Polygon"===o&&(h=[h]);for(var a=!1,u=0;u<h.length&&!a;u++)if(m(r,h[u][0],s.ignoreBoundary)){for(var p=!1,c=1;c<h[u].length&&!p;)m(r,h[u][c],!s.ignoreBoundary)&&(p=!0),c++;p||(a=!0)}return a}function m(t,e,s){var i=!1;e[0][0]===e[e.length-1][0]&&e[0][1]===e[e.length-1][1]&&(e=e.slice(0,e.length-1));for(var r=0,n=e.length-1;r<e.length;n=r++){var o=e[r][0],l=e[r][1],h=e[n][0],a=e[n][1];if(t[1]*(o-h)+l*(h-t[0])+a*(t[0]-o)==0&&(o-t[0])*(h-t[0])<=0&&(l-t[1])*(a-t[1])<=0)return!s;l>t[1]!=a>t[1]&&t[0]<(h-o)*(t[1]-l)/(a-l)+o&&(i=!i)}return i}function f(t,e){void 0===e&&(e={});var s=0,i=0,r=0;return g(t,(function(t){s+=t[0],i+=t[1],r++}),!0),function(t,e,s){if(void 0===s&&(s={}),!t)throw new Error("coordinates is required");if(!Array.isArray(t))throw new Error("coordinates must be an Array");if(t.length<2)throw new Error("coordinates must be at least 2 numbers long");if(!c(t[0])||!c(t[1]))throw new Error("coordinates must contain numbers");return function(t,e,s){void 0===s&&(s={});var i={type:"Feature"};return(0===s.id||s.id)&&(i.id=s.id),s.bbox&&(i.bbox=s.bbox),i.properties=e||{},i.geometry=t,i}({type:"Point",coordinates:t},e,s)}([s/r,i/r],e.properties)}d.default=d;const _=(t,e,s)=>{let i,r,n,o=null,l=0;s||(s={});let h=function(){l=!1===s.leading?0:Date.now(),o=null,n=t.apply(r,i),o||(r=i=null)};return function(){let a=Date.now();l||!1!==s.leading||(l=a);let u=e-(a-l);return r=this,i=arguments,u<=0||u>e?(o&&(clearTimeout(o),o=null),l=a,n=t.apply(r,i),o||(r=i=null)):o||!1===s.trailing||(o=setTimeout(h,u)),n}},w=Math.fround||(E=new Float32Array(1),t=>(E[0]=+t,E[0]));var E;const O=(t,e,s)=>t.reduce(((t,i,r)=>{let n=e(i);return n=null==n||""===n?"undefined":n,t[n]||(t[n]=[]),s.type&&s.zoom&&(i["_inner_"+s.type+"_"+s.zoom]=n),i.id=r,t[n].push(i),t}),{}),T=t=>({fence:!0,bbox:d(t),center:v(t)}),M=(t,e)=>{if(e){return d({type:"FeatureCollection",features:[{type:"Feature",properties:{},geometry:{type:"Polygon",coordinates:[t]}}]})}return d({type:"FeatureCollection",features:t})},v=t=>f(t).geometry.coordinates,L=t=>{if(!t||!Array.isArray(t)||t.length<2)return[];let e=[t[0],t[1]];for(let s=2;s<t.length-1;s+=2)t[s]!==e[s-2]&&t[s+1]!==e[s-1]&&e.push(t[s],t[s+1]);return e},F=t=>t/360+.5,C=t=>{const e=Math.sin(t*Math.PI/180),s=.5-.25*Math.log((1+e)/(1-e))/Math.PI;return s<0?0:s>1?1:s};class x{constructor(){}}var S;!function(t){t[t.NONE=0]="NONE",t[t.INNER=1]="INNER",t[t.OUT=2]="OUT",t[t.ALL=3]="ALL"}(S||(S={}));class b{constructor(t,s=!1){this.trees={},this.nodeSize=64,this.isSort=!0,this.splitChar="*.*",this.isWeight=!1,this.OFFSET_ZOOM=2,this.OFFSET_ID=3,this.OFFSET_PARENT=4,this.OFFSET_NUM=5,this.OFFSET_PROP=6,this.ZOOM_BITS=5,this.mapping=new Map,this.geo_refs=new Map,this.key_refs=new Map,this.cluster_geo_refs=new Map,this.own=t,this.showLog=s,this.reduceType=this.isClusterReduce(),this.stride=this.reduceType!==S.NONE?7:6,this.reduceType&S.INNER&&(this.innerReduce=(t,e)=>{var s,i;this.weightKey&&(t.weight+=null!==(s=null==e?void 0:e.weight)&&void 0!==s?s:1),this.typeKey&&(t.divide_type=null!==(i=null==e?void 0:e.divide_type)&&void 0!==i?i:"unknown")},this.innerMap=t=>{var e,s,i,r;let n={};return this.weightKey&&("function"==typeof this.weightKey?n.weight=null!==(e=this.weightKey(t))&&void 0!==e?e:1:n.weight=t?null!==(s=t[this.weightKey])&&void 0!==s?s:1:null),this.typeKey&&("function"==typeof this.typeKey?n.divide_type=null!==(i=this.typeKey(t))&&void 0!==i?i:"unknown":n.divide_type=t?null!==(r=t[this.typeKey])&&void 0!==r?r:"unknown":null),n}),this.createZoomMapping(),this.own.on(e.DESTROY,(()=>{this.reset(),this.mapping.clear()}))}isClusterReduce(){let t=this.own.getOptions().clusterPointWeight,e=this.own.getOptions().clusterPointType;return t||e?(t&&(this.weightKey=t,this.isWeight=!0),e&&(this.typeKey=e),this.own.getOptions().clusterReduce?S.ALL:S.INNER):this.own.getOptions().clusterReduce?S.OUT:S.NONE}createZoomMapping(){let t=this.own.getOptions().clusterType;t&&0!==t.length&&(t.forEach((t=>{let[e,i,r,n,o]=t;if(i=null!=i?i:this.own.getOptions().clusterMaxZoom,r===s.GEO_FENCE||r===s.ATTR_REF)this.mapping.set(e,[null!=o?o:i,r,n]);else if(o)this.mapping.set(e,[o,s.DIS_PIXEL,n]);else for(var l=e;l<=i;l++)this.mapping.set(l,[l,s.DIS_PIXEL,n])})),this.showLog&&console.log("this.mapping",this.mapping))}getClusterType(t){let e,i=s.DIS_PIXEL;for(let[r,n]of[...this.mapping.entries()].reverse())if(r<=t){i=n[1],e=i===s.ATTR_REF&&n[2]instanceof Array?n[2][n[2].length-1]:n[2];break}return{type:i,name:e}}getClusterZoom(t){let e=this._limitZoom(t);for(let[s]of[...this.mapping.entries()].reverse())if(s<=t){e=s;break}return e}getClusterTree(t){let e=this.getClusterZoom(t);const{clusterMaxZoom:s=21}=this.own.getOptions();e<t&&s+1===t&&(e=s+1);return this.trees[e]}createClusters(t){this.reset(),this.points=t.filter((t=>{if(t.geometry){const[e,s]=t.geometry.coordinates;if(!isNaN(e)&&!isNaN(s)&&e>=-180&&e<=180&&s>=-90&&s<=90)return!0}return!1}));const{clusterMinZoom:e=3,clusterMaxZoom:i=21}=this.own.getOptions(),r=`prepare ${t.length} points`;this.showLog&&console.time(r);const n=[];for(let t=0;t<this.points.length;t++){const e=this.points[t];if(!e.geometry)continue;const[s,i]=e.geometry.coordinates,r=w(s),o=w(i);n.push(r,o,1/0,t,-1,1),this.reduceType!==S.NONE&&n.push(-1)}let o=this.trees[i+1]=this._createTree(new Float32Array(n));for(let t=i;t>=e;t--){const e=+Date.now(),i=this.getClusterZoom(t);if(this.mapping.has(i)){if(this.trees[i])continue;let t,[e,r,n]=this.mapping.get(i);switch(r){case s.GEO_FENCE:t=this._fence_cluster(e,n);break;case s.ATTR_REF:t=this._attribute_cluster(e,n);break;default:t=this._distance_cluster(o,e,n)}o=this.trees[i]=this._createTree(t)}else o=this.trees[i]=this._createTree(this._distance_cluster(o,i));this.showLog&&console.log("z%d: %d clusters in %dms",t,o.numItems,+Date.now()-e)}this.showLog&&console.timeEnd(r)}_createTree(t){const e=new o(t.length/this.stride|0,this.nodeSize,Float32Array);for(let s=0;s<t.length;s+=this.stride)e.add(F(t[s]),C(t[s+1]));return e.finish(),e.data=t,e}_attribute_cluster(t,e){let i=O(this.points,(t=>{if(!t.properties)return null;let i=null;if(e instanceof Array?e.forEach((e=>{var s;(null===(s=t.properties)||void 0===s?void 0:s.hasOwnProperty(e))&&(null===i?i=t.properties[e]:i+=this.splitChar+t.properties[e])})):i=t.properties[e],this.own.getOptions().clusterDictionary&&i&&!this.geo_refs.has(i)){let t=this.own.getOptions().clusterDictionary(s.ATTR_REF,i);t&&t.point&&this.geo_refs.set(i,t)}return i}),{zoom:t,type:s.ATTR_REF});this.showLog&&console.log("attribute_cluster",t,i);return this._match_cluster(s.ATTR_REF,i,t)}_fence_cluster(t,e){let i=new Map;if(this.own.getOptions().clusterDictionary){let t=e;t instanceof Array||(t=[t]),t.forEach((t=>{if(this.geo_refs.has(t))i.set(t,this.geo_refs.get(t));else{this.showLog&&console.log("fence_cluster_key",t);let e=this.own.getOptions().clusterDictionary(s.GEO_FENCE,t);e&&e.region&&(e.point||(e.point=v(e.region)),this.geo_refs.set(t,e),i.set(t,e))}}))}let r=O(this.points,(t=>((t,e,s)=>{let i=null;for(let[r,n]of t)if(y(e,s(n))){i=r;break}return i})(i,t,(t=>({type:"Feature",geometry:{type:"Polygon",coordinates:[t.region]}})))),{zoom:t,type:s.GEO_FENCE});this.showLog&&console.log("fence_cluster",r);return this._match_cluster(s.GEO_FENCE,r,t)}_match_cluster(t,e,i){let r=[];const{clusterMinPoints:n=3,clusterReduce:o}=this.own.getOptions();for(const l in e)if(e.hasOwnProperty(l)){let h=e[l];if("undefined"===l||h.length<n)h.forEach((t=>{var e;const[s,i]=t.geometry.coordinates,n=s,o=i;r.push(n,o,1/0,+(null!==(e=t.id)&&void 0!==e?e:0),-1,1),this.reduceType!==S.NONE&&r.push(-1)}));else{let e,a=-1;h.forEach((t=>{if(this.reduceType!==S.NONE){let s={};if(this.reduceType&S.INNER&&(s=this.innerMap(t.properties)),o){let e=this.own.getOptions().clusterMap(t.properties);Object.assign(s,e)}e?(this.reduceType&S.INNER&&this.innerReduce(e,Object.assign({},s)),o&&o(e,Object.assign({},s))):(e=Object.assign({},s),a=this.clusterProps.length,this.clusterProps.push(e))}}));let u=(h[0].id<<this.ZOOM_BITS)+(i+1)+this.points.length,p=l.split(this.splitChar);if(this.key_refs.set(u,p[p.length-1]),this.geo_refs.has(l)){let e=this.geo_refs.get(l),i=e.point;r.push(i[0],i[1],1/0,u,-1,h.length),t===s.GEO_FENCE?this.cluster_geo_refs.set(u,{bbox:M(e.region,!0)}):this.cluster_geo_refs.set(u,{bbox:M(h,!1)})}else{let{fence:t,bbox:e,center:s}=T({type:"FeatureCollection",features:h});L(e).length<=2||e[0]===1/0||!t?(n>1&&(u=h[0].id),r.push(s[0],s[1],1/0,u,-1,1)):r.push(s[0],s[1],1/0,u,-1,h.length),this.cluster_geo_refs.set(u,{bbox:e})}this.reduceType!==S.NONE&&r.push(a)}}return r}_distance_cluster(t,e,s){var i,r,n,o,l,h,a,u;const{clusterRadius:p=60,tileSize:c=256,clusterMinPoints:g=3,clusterReduce:d}=this.own.getOptions();const y=(void 0===s?p:s)/(c*Math.pow(2,e-1)),m=t.data,f=[],_=this.stride;for(let s=0;s<m.length;s+=_){if(m[s+this.OFFSET_ZOOM]<=e)continue;m[s+this.OFFSET_ZOOM]=e;const p=m[s],c=m[s+1];let w=t.within(F(m[s]),C(m[s+1]),y);if(this.showLog&&console.log("delete neighborId start",w),this.typeKey){let t=null!==(r=null===(i=this._map(m,s))||void 0===i?void 0:i.divide_type)&&void 0!==r?r:"unknown";w=w.filter((e=>{var s,i;const r=e*_;let n=null!==(i=null===(s=this._map(m,r))||void 0===s?void 0:s.divide_type)&&void 0!==i?i:"unknown";return n!=t&&this.showLog&&console.log("delete neighborId",`${t}!==${n}`),n===t}))}this.showLog&&console.log("delete neighborId end",w);const E=m[s+this.OFFSET_NUM];let O=E;const T=this.isWeight&&null!==(o=null===(n=this.clusterProps[m[s+this.OFFSET_PROP]])||void 0===n?void 0:n.weight)&&void 0!==o?o:1;let v=T;for(const t of w){const s=t*_;m[s+this.OFFSET_ZOOM]>e&&(O+=m[s+this.OFFSET_NUM],v+=this.isWeight&&null!==(h=null===(l=this.clusterProps[m[s+this.OFFSET_PROP]])||void 0===l?void 0:l.weight)&&void 0!==h?h:1)}if(O>E&&O>=g){let t,i=p*(this.isWeight?T:E),r=c*(this.isWeight?T:E),n=-1,o=[[p,c]];const l=(s/_<<this.ZOOM_BITS)+(e+1)+this.points.length;for(const h of w){const p=h*_;if(m[p+this.OFFSET_ZOOM]<=e)continue;m[p+this.OFFSET_ZOOM]=e;const c=m[p+this.OFFSET_NUM],g=this.isWeight&&null!==(u=null===(a=this.clusterProps[m[p+this.OFFSET_PROP]])||void 0===a?void 0:a.weight)&&void 0!==u?u:1;if(i+=m[p]*(this.isWeight?g:c),r+=m[p+1]*(this.isWeight?g:c),o.push([m[p],m[p+1]]),m[p+this.OFFSET_PARENT]=l,this.reduceType!==S.NONE){t||(t=this._map(m,s,!0),n=this.clusterProps.length,this.clusterProps.push(t));let e=this._map(m,p);this.reduceType&S.INNER&&this.innerReduce(t,e),d&&d(t,e)}}m[s+this.OFFSET_PARENT]=l,this.cluster_geo_refs.set(l,{bbox:M(o,!0)}),this.isWeight?f.push(i/v,r/v,1/0,l,-1,O):f.push(i/O,r/O,1/0,l,-1,O),this.reduceType!==S.NONE&&f.push(n)}else{for(let t=0;t<_;t++)f.push(m[s+t]);if(O>1)for(const t of w){const s=t*_;if(!(m[s+this.OFFSET_ZOOM]<=e)){m[s+this.OFFSET_ZOOM]=e;for(let t=0;t<_;t++)f.push(m[s+t])}}}}return f}_getOriginId(t){return t-this.points.length>>this.ZOOM_BITS}_getOriginZoom(t){return(t-this.points.length)%32}_map(t,e,s){if(t[e+this.OFFSET_NUM]>1){const i=this.clusterProps[t[e+this.OFFSET_PROP]];return s?Object.assign({},i):i}const i=this.points[t[e+this.OFFSET_ID]].properties;let r={};if(this.reduceType&S.INNER&&(r=this.innerMap(i)),this.own.getOptions().clusterReduce){let t=this.own.getOptions().clusterMap(i);Object.assign(r,t)}return s&&r===i?Object.assign({},r):r}_limitZoom(t){var e,s;let i=this.own.getOptions();return Math.max(null!==(e=i.clusterMinZoom)&&void 0!==e?e:3,Math.min(Math.floor(+t),(null!==(s=i.clusterMaxZoom)&&void 0!==s?s:21)+1))}getClusters(t,e){var i;if(this.isIllegal(t))return[[],[]];let r=((e[0]+180)%360+360)%360-180;const n=Math.max(-90,Math.min(90,e[1]));let o=180===e[2]?180:((e[2]+180)%360+360)%360-180;const l=Math.max(-90,Math.min(90,e[3]));if(e[2]-e[0]>=360)r=-180,o=180;else if(r>o){const e=this.getClusters(t,[r,n,180,l]),s=this.getClusters(t,[-180,n,o,l]);return[[...e[0],...s[0]],[...e[1],...s[1]]]}let h=this.getClusterZoom(t);const a=this.getClusterTree(t);if(!a)return[[],[]];const{type:u,name:p}=this.getClusterType(t),c=a.range(F(r),C(l),F(o),C(n)),g=a.data,d=[],y=[];this.showLog&&console.log("getClusters",c);for(const t of c){const e=this.stride*t;if(this.showLog&&console.log("getClusters",t,g.slice(e,e+this.stride)),g[e+this.OFFSET_NUM]>=this.own.getOptions().clusterMinPoints){let r=this.getClusterJSON(g,e,this.clusterProps);r.properties||(r.properties={}),r.properties.listChildren=this.getLeaves(g[e+this.OFFSET_ID],[],null!==(i=this.own.getOptions().clusterListChildren)&&void 0!==i?i:-1),r.properties.clusterIndex=(t<<this.ZOOM_BITS)+h,r.properties.allCount=this.points.length,r.properties.type=u,u!==s.GEO_FENCE&&u!==s.ATTR_REF||this.key_refs.has(g[e+this.OFFSET_ID])&&(r.properties.belongKey=p,r.properties.belongValue=this.key_refs.get(g[e+this.OFFSET_ID])),d.push(r)}else{let t=g[e+this.OFFSET_ID],s=this.points[t];s.id=t,s.properties?s.properties.listChildren=[]:s.properties={listChildren:[]},s.properties?s.properties.clusterId=t:s.properties={clusterId:t},s.properties?s.properties.allCount=this.points.length:s.properties={allCount:this.points.length},s.properties?s.properties.parentId=g[e+this.OFFSET_PARENT]:s.properties={parentId:g[e+this.OFFSET_PARENT]},y.push(s)}}return this.isSort&&d.sort(((t,e)=>{var s,i;return(null===(s=t.properties)||void 0===s?void 0:s.pointCount)-(null===(i=e.properties)||void 0===i?void 0:i.pointCount)})),[y,d]}getElementById(t,e,i){let r=i?e>>this.ZOOM_BITS:e,n=new x;n.id=t,n.index=r;let o=i?e&(1<<this.ZOOM_BITS)-1:this._getOriginZoom(t)-1,{type:l,name:h}=this.getClusterType(o);if(n.type=l,t<=this.points.length)n.isCluster=!1,n.properties=this.points[t].properties,n.latLng=this.points[t].geometry.coordinates;else{n.isCluster=!0;let e=this.getClusterTree(o),i=e.data;if(e){let e=r*this.stride;this.showLog&&console.log("getElementById",i.slice(e,e+this.stride)),n.latLng=[i[e],i[e+1]],n.pointCount=i[e+this.OFFSET_NUM],n.parentId=i[e+this.OFFSET_PARENT],l!==s.GEO_FENCE&&l!==s.ATTR_REF||this.key_refs.has(t)&&(n.belongKey=h,n.belongValue=this.key_refs.get(t)),this.reduceType!==S.NONE&&(n.reduces=this.clusterProps[i[e+this.OFFSET_PROP]])}}return this.cluster_geo_refs.has(t)&&(n.bbox=this.cluster_geo_refs.get(t).bbox),this.showLog&&console.log("getElementById",n),n}getUnDistanceBrothers(t,e,s,i,r){let n=this._getOriginId(t),o=this.points[n],l=o?o["_inner_"+e+"_"+i]:void 0,h=[];return l&&(h=this.points.filter((t=>!!t&&t["_inner_"+e+"_"+i]===l))),h.slice(0,r).map((t=>{let s=new x;return s.id=t.id,s.index=t.id,s.type=e,s.isCluster=!1,s.properties=this.points[t.id].properties,s.latLng=this.points[t.id].geometry.coordinates,s}))}getLeaves(t,e=[],i){if(void 0===i&&(i=1/0),i<=0)return[];e||(e=[]);let r=this._getOriginZoom(t)-1,{type:n,name:o}=this.getClusterType(r);if(n===s.GEO_FENCE||n===s.ATTR_REF)return e=this.getUnDistanceBrothers(t,n,o,r,i);if(t>this.points.length){let s=this.getClusterTree(r+1),n=s.data;if(s)for(let s=0;s<n.length/this.stride;s++){let r=s*this.stride+this.OFFSET_ID;if(n[s*this.stride+this.OFFSET_PARENT]===t)if(n[r]<=this.points.length){if(!(e.length<i))break;e.push(this.getElementById(n[r],s))}else this.getLeaves(n[r],e,i)}}return e}getChildNodes(t){let e=[];if(t<=this.points.length)e=[];else{let s=this._getOriginZoom(t)-1,i=this.getClusterTree(s+1),r=i.data;if(i)for(let s=0;s<r.length/this.stride;s++)if(r[s*this.stride+this.OFFSET_PARENT]===t){let i=this.getElementById(r[s*this.stride+this.OFFSET_ID],s);i.parentId=t,e.push(i)}}return e}getClusterJSON(t,e,s){return{type:"Feature",id:t[e+this.OFFSET_ID],properties:this.getClusterProperties(t,e,s),geometry:{type:"Point",coordinates:[t[e],t[e+1]]}}}getClusterProperties(t,e,s){const i=t[e+this.OFFSET_NUM],r=i>=1e4?`${Math.round(i/1e3)}k`:i>=1e3?Math.round(i/100)/10+"k":i;let n={};if(this.reduceType!==S.NONE){const i=t[e+this.OFFSET_PROP];n=-1===i?{}:Object.assign({},{reduces:s[i]})}return Object.assign(n,{isCluster:!0,clusterId:t[e+this.OFFSET_ID],parentId:t[e+this.OFFSET_PARENT],point:[t[e],t[e+1]],pointCount:i,pointCountAbbrev:r})}isIllegal(t){var e,s;let i=null!==(e=this.own.getOptions().minZoom)&&void 0!==e?e:3,r=null!==(s=this.own.getOptions().maxZoom)&&void 0!==s?s:23;return t<i||t>r}reset(){this.points=[],this.clusterProps=[],this.trees={},this.geo_refs.clear(),this.key_refs.clear(),this.cluster_geo_refs.clear()}}class I{constructor(t,e,s,i){this._wait=600,this._fitViewMargin=[12,12,12,12],this.own=t,this.engine=e,this.map=s,this.showLog=i,this.register(),this.createLayers()}register(){this.own.getOptions().updateRealTime?(this._wait=this.own.getOptions().waitTime||300,this.map.addEventListener("update",this._onMapStatusChange=_(this.mapStatusChange.bind(this),this._wait,{leading:!0,trailing:!1}))):this.map.addEventListener("mapstatusidle_inner",this._onMapStatusChange=this.mapStatusChange.bind(this)),this.map.addEventListener("destroy",(()=>{this.own.destroy()})),this.own.on(e.DESTROY,(()=>{this.destroy()}))}unregister(){this.own.getOptions().updateRealTime?this.map.removeEventListener("update",this._onMapStatusChange):this.map.removeEventListener("mapstatusidle_inner",this._onMapStatusChange),this._onMapStatusChange=()=>{}}mapStatusChange(t){let s=this.map.getZoom(),i=this.map.getBounds(),r=i.getSouthWest(),n=i.getNorthEast();this.showLog&&console.log("地图状态变化",s,[r.lng,r.lat,n.lng,n.lat]);let o=this.engine.getClusters(s,[r.lng,r.lat,n.lng,n.lat]);this.own.fire(e.CHANGE,o),this.own.isRender&&this.update(o)}update(t){if(this.showLog&&console.log("更新数据",t),this.own.getOptions().isAnimation){if(!(this.multi_layer instanceof BMapGL.CustomHtmlLayer))throw new Error("isAnimation is true, but renderClusterStyle is not dom type");this.render([...t[0],...t[1]],r.MULTI)}else this.render(t[0],r.SINGLE),this.render(t[1],r.MULTI)}render(t,e){this.showLog&&console.log("渲染type",e),this.showLog&&console.log("渲染data",t);let s={type:"FeatureCollection",features:t},i=e===r.MULTI?this.multi_layer:this.single_layer;i&&(t.length>0&&(null==i||i.setData(s)),0===t.length&&(null==i||i.clearData()))}createLayers(){var t,e;(null===(t=this.own.getOptions().renderSingleStyle)||void 0===t?void 0:t.type)===i.DOM?this.single_layer=this.createLayer(r.SINGLE,i.DOM):this.single_layer=this.createLayer(r.SINGLE,i.WEBGL),(null===(e=this.own.getOptions().renderClusterStyle)||void 0===e?void 0:e.type)===i.DOM?this.multi_layer=this.createLayer(r.MULTI,i.DOM):this.multi_layer=this.createLayer(r.MULTI,i.WEBGL)}createLayer(t,s){this.showLog&&console.log("创建图层",s);let n,o=this.own.getOptions(),l=t===r.MULTI?o.renderClusterStyle:o.renderSingleStyle;if(!l)return;if(s===i.DOM){let e={sliceRepeat:!0,minZoom:this.own.getOptions().minZoom,maxZoom:this.own.getOptions().maxZoom,zIndex:t===r.MULTI?10:9,nextTick:!0,fixBottom:!0,useTranslate:!!this.own.getOptions().isAnimation,anchors:[.5,.5],displayType:"normal",enableDraggingMap:!0};this.own.getOptions().isAnimation&&(e.displayType="cluster"),Object.assign(e,l.style);const s=new BMapGL.CustomHtmlLayer(l.inject,e);this.map.addCustomHtmlLayer(s),n=s}else{let e=1.2*(o.clusterRadius||32),s={iconObj:(t,e)=>({canvas:(null==l?void 0:l.inject)(e),id:e.clusterId}),sizes:[e,e/2],scale:1,userSizes:!1,anchors:[0,0],width:e,height:e/2};Object.assign(s,l.style);let i={icon:"https://webmap0.bdimg.com/image/api/marker_red.png",sizes:[8,8],anchors:[0,-1],userSizes:!1,width:["match",["get","type"],0,16,8],height:["match",["get","type"],0,16,8]};Object.assign(i,l.style);const h=new BMapGL.PointIconLayer({minZoom:this.own.getOptions().minZoom,maxZoom:this.own.getOptions().maxZoom,zIndex:t===r.MULTI?10:9,isTop:!1,enablePicked:!0,autoSelect:!1,pickWidth:30,pickHeight:30,opacity:1,isFlat:!1,isFixed:!0,style:t===r.MULTI?s:i});this.map.addNormalLayer(h),n=h}n.addEventListener("click",(t=>{if(this.showLog&&console.log("鼠标点击事件",t),t.target instanceof BMapGL.PointIconLayer&&!t.value.dataItem)return;let s=this.getElementByEvent(t);s.bbox&&Array.isArray(s.bbox)&&s.bbox[0]!==1/0&&this.fitView(s.bbox),this.own.fire(e.CLICK,s)}));let h=s===i.DOM?"mouseover":"mousemove";return n.addEventListener(h,(t=>{if(this.showLog&&console.log("鼠标悬浮事件",t),t.target instanceof BMapGL.PointIconLayer&&!t.value.dataItem)return void(this._preMouseMove&&(this.own.fire(e.MOUSE_OUT,this._preMouseMove),this._preMouseMove=null));let s=this.getElementByEvent(t);if(t.target instanceof BMapGL.PointIconLayer)return this._preMouseMove&&this._preMouseMove.id===s.id||this.own.fire(e.MOUSE_OVER,s),void(this._preMouseMove=s);this.own.fire(e.MOUSE_OVER,s)})),n.addEventListener("mouseout",(t=>{if(this.showLog&&console.log("鼠标移开事件",t),t.target instanceof BMapGL.PointIconLayer)return;let s=this.getElementByEvent(t);this.own.fire(e.MOUSE_OUT,s)})),n}getElementByEvent(t){var e,s;let i,r,n=[];if(t.target instanceof BMapGL.CustomOverlay){let s=t.target.properties||{};i=s.clusterId,r=s.clusterIndex,n=null!==(e=s.listChildren)&&void 0!==e?e:[]}else{let e=t.value.dataItem.properties||{};i=e.clusterId,r=e.clusterIndex,n=null!==(s=e.listChildren)&&void 0!==s?s:[]}let o=this.engine.getElementById(i,r,!0);return o.listChildren=n,o.pixel=[t.pixel.x,t.pixel.y],o.target=t.target,o}clearRender(){this.showLog&&console.log("清除图层"),this.update([[],[]])}unrender(){this.showLog&&console.log("销毁图层"),this.multi_layer instanceof BMapGL.PointIconLayer?this.map.removeNormalLayer(this.multi_layer):this.map.removeCustomHtmlLayer(this.multi_layer),this.single_layer instanceof BMapGL.PointIconLayer?this.map.removeNormalLayer(this.single_layer):this.map.removeCustomHtmlLayer(this.single_layer),this.multi_layer=void 0,this.single_layer=void 0}fitView(t){if(this.showLog&&console.log("fitView",t),this.own.getOptions().fitViewOnClick){let e=this.map.getZoom(),s=[new BMapGL.Point(t[0],t[1]),new BMapGL.Point(t[2],t[3])],i={margins:this._fitViewMargin,enableAnimation:!0};this.map.setViewport(s,i),setTimeout((()=>{e===this.map.getZoom()&&this.map.setZoom(e+1),this.mapStatusChange()}),300)}}show(){this.single_layer&&(this.single_layer instanceof BMapGL.CustomHtmlLayer&&this.single_layer.show(),this.single_layer instanceof BMapGL.PointIconLayer&&this.single_layer.setVisible(!0)),this.multi_layer&&(this.multi_layer instanceof BMapGL.CustomHtmlLayer&&this.multi_layer.show(),this.multi_layer instanceof BMapGL.PointIconLayer&&this.multi_layer.setVisible(!0))}hide(){this.single_layer&&(this.single_layer instanceof BMapGL.CustomHtmlLayer&&this.single_layer.hide(),this.single_layer instanceof BMapGL.PointIconLayer&&this.single_layer.setVisible(!1)),this.multi_layer&&(this.multi_layer instanceof BMapGL.CustomHtmlLayer&&this.multi_layer.hide(),this.multi_layer instanceof BMapGL.PointIconLayer&&this.multi_layer.setVisible(!1))}getSingleLayer(){return this.single_layer}getClusterLayer(){return this.multi_layer}drawMarker(t){this.map.addOverlay(new BMapGL.Marker(new BMapGL.Point(t[0],t[1])))}destroy(){this.map&&(this.unregister(),this.unrender())}}var N=Object.freeze({__proto__:null,get ClusterData(){return r},ClusterElement:x,get ClusterEvent(){return e},get ClusterRender(){return i},get ClusterType(){return s},View:class extends t{constructor(t,e){if(super(),this._showLog=!1,!t)throw new Error("map is required");e&&this.verifyOptions(e);const s={tileSize:256,minZoom:3,maxZoom:21,clusterRadius:30,clusterMinZoom:3,clusterMaxZoom:16,clusterMinPoints:3,clusterListChildren:0,clusterPointWeight:void 0,clusterPointType:void 0,clusterMap:t=>({}),clusterReduce:void 0,clusterType:void 0,clusterDictionary:void 0,isRender:!0,isAnimation:!1,renderClusterStyle:{type:i.DOM,style:{},inject:t=>{var e=Math.pow(t.pointCount/t.allCount,.1),s=document.createElement("div"),i=180-180*e,r="hsla("+i+",100%,30%,0.7)",n="hsla("+i+",100%,90%,1)",o="hsla("+i+",100%,30%,1)",l="hsla("+i+",100%,90%,1)";s.style.backgroundColor=r;var h=Math.round(25+30*Math.pow(t.pointCount/t.allCount,1/6));return s.style.width=s.style.height=h+"px",s.style.border="solid 1px "+o,s.style.borderRadius=h/2+"px",s.style.boxShadow="0 0 5px "+l,s.innerHTML=t.pointCount,s.style.lineHeight=h+"px",s.style.color=n,s.style.fontSize="14px",s.style.textAlign="center",s.style.cursor="pointer",s}},renderSingleStyle:{type:i.WEBGL,style:{},inject:t=>document.createElement("canvas")},fitViewOnClick:!0,updateRealTime:!1,waitTime:300};this.options=Object.assign(s,e),this.engine=new b(this,this._showLog),this.render=new I(this,this.engine,t,this._showLog),this.isRender=this.options.isRender||!1}setData(t){this._showLog&&console.log("cluster options",this.options),this.engine.createClusters(t),this.redraw()}getSingleLayer(){return this.render.getSingleLayer()}getClusterLayer(){return this.render.getClusterLayer()}getLeaves(t,e){return this.engine.getLeaves(t,[],e)}getSonNodes(t){return this.engine.getChildNodes(t)}redraw(){this.render.mapStatusChange()}show(){this.render.show()}hide(){this.render.hide()}destroy(){this.fire(e.DESTROY)}get isRender(){return this._isRender}set isRender(t){this._isRender=t,!t&&this.render.clearRender()}getOptions(){return this.options}verifyOptions(t){var e,s;if(t.minZoom&&t.minZoom<3)throw new Error("minZoom must be greater than 3");if(t.maxZoom&&t.maxZoom>23)throw new Error("maxZoom must be less than 23");if(Math.max(null!==(e=t.minZoom)&&void 0!==e?e:3,3)>Math.min(null!==(s=t.maxZoom)&&void 0!==s?s:23,23))throw new Error("minZoom must be less than maxZoom");if(t.clusterMinZoom&&t.clusterMinZoom<3)throw new Error("clusterMinZoom must be greater than 3");if(t.clusterMaxZoom&&t.clusterMaxZoom>23)throw new Error("clusterMaxZoom must be less than 23");if(t.clusterMinZoom&&t.clusterMaxZoom&&t.clusterMinZoom>t.clusterMaxZoom)throw new Error("clusterMinZoom must be less than clusterMaxZoom");if(t.clusterType){if(!(t.clusterType instanceof Array))throw new Error("clusterType must be an array");if(t.clusterType.length<1)throw new Error("clusterType must be greater than 0");for(let e=0;e<t.clusterType.length;e++){if(t.clusterType[e].length<4)throw new Error("clusterType must be greater than 4");if(!t.clusterType[e][0])throw new Error("clusterType item startZoom must not be null");if(t.clusterType[e][1]&&t.clusterType[e][0]>t.clusterType[e][1])throw new Error("clusterType item endZoom must be less than starZoom");if(null===t.clusterType[e][1]&&e<t.clusterType.length-1)throw new Error("clusterType item endZoom must not be null,excluding the last item endZoom");if(e<t.clusterType.length-1&&null!==t.clusterType[e][1]&&t.clusterType[e][1]>t.clusterType[e+1][0])throw new Error("clusterType item endZoom must be less than the next startZoom")}}}},pointTransformer:(t,e)=>{let s=[];return t.forEach((t=>{const{point:i=null,properties:r={}}=e(t);i&&s.push({type:"Feature",geometry:{type:"Point",coordinates:i},properties:r})})),s}});return N}));
\ No newline at end of file
diff --git a/media/js/map/marker-cluster.js b/media/js/map/marker-cluster.js
deleted file mode 100644
index 42fc369509..0000000000
--- a/media/js/map/marker-cluster.js
+++ /dev/null
@@ -1,642 +0,0 @@
-/**
- * @fileoverview MarkerCluster标记聚合器用来解决加载大量点要素到地图上产生覆盖现象的问题，并提高性能。
- * 主入口类是<a href="symbols/BMapLib.MarkerCluster.html">MarkerCluster</a>，
- * 基于Baidu Map API 1.2。
- *
- * @author Baidu Map Api Group
- * @version 1.2
- */
-
-/**
- * @namespace BMap的所有library类均放在BMapLib命名空间下
- */
-var BMapLib = window.BMapLib = BMapLib || {};
-(function(){
-
-    /**
-     * 获取一个扩展的视图范围，把上下左右都扩大一样的像素值。
-     * @param {Map} map BMapGL.Map的实例化对象
-     * @param {BMapGL.Bounds} bounds BMapGL.Bounds的实例化对象
-     * @param {Number} gridSize 要扩大的像素值
-     *
-     * @return {BMapGL.Bounds} 返回扩大后的视图范围。
-     */
-    var getExtendedBounds = function(map, bounds, gridSize){
-        bounds = cutBoundsInRange(bounds);
-        var pixelNE = map.pointToPixel(bounds.getNorthEast());
-        var pixelSW = map.pointToPixel(bounds.getSouthWest());
-        pixelNE.x += gridSize;
-        pixelNE.y -= gridSize;
-        pixelSW.x -= gridSize;
-        pixelSW.y += gridSize;
-        var newNE = map.pixelToPoint(pixelNE);
-        var newSW = map.pixelToPoint(pixelSW);
-        if (!newSW || !newNE) return null;
-        return new BMapGL.Bounds(newSW, newNE);
-    };
-
-    /**
-     * 按照百度地图支持的世界范围对bounds进行边界处理
-     * @param {BMapGL.Bounds} bounds BMapGL.Bounds的实例化对象
-     *
-     * @return {BMapGL.Bounds} 返回不越界的视图范围
-     */
-    var cutBoundsInRange = function (bounds) {
-        var maxX = getRange(bounds.getNorthEast().lng, -180, 180);
-        var minX = getRange(bounds.getSouthWest().lng, -180, 180);
-        var maxY = getRange(bounds.getNorthEast().lat, -90, 90);
-        var minY = getRange(bounds.getSouthWest().lat, -90, 90);
-        return new BMapGL.Bounds(new BMapGL.Point(minX, minY), new BMapGL.Point(maxX, maxY));
-    };
-
-    /**
-     * 对单个值进行边界处理。
-     * @param {Number} i 要处理的数值
-     * @param {Number} min 下边界值
-     * @param {Number} max 上边界值
-     *
-     * @return {Number} 返回不越界的数值
-     */
-    var getRange = function (i, mix, max) {
-        mix && (i = Math.max(i, mix));
-        max && (i = Math.min(i, max));
-        return i;
-    };
-
-    /**
-     * 判断给定的对象是否为数组
-     * @param {Object} source 要测试的对象
-     *
-     * @return {Boolean} 如果是数组返回true，否则返回false
-     */
-    var isArray = function (source) {
-        return '[object Array]' === Object.prototype.toString.call(source);
-    };
-
-    /**
-     * 返回item在source中的索引位置
-     * @param {Object} item 要测试的对象
-     * @param {Array} source 数组
-     *
-     * @return {Number} 如果在数组内，返回索引，否则返回-1
-     */
-    var indexOf = function(item, source){
-        var index = -1;
-        if(isArray(source)){
-            if (source.indexOf) {
-                index = source.indexOf(item);
-            } else {
-                for (var i = 0, m; m = source[i]; i++) {
-                    if (m === item) {
-                        index = i;
-                        break;
-                    }
-                }
-            }
-        }
-        return index;
-    };
-
-    /**
-     *@exports MarkerCluster as BMapLib.MarkerCluster
-     */
-    var MarkerCluster =
-        /**
-         * MarkerCluster
-         * @class 用来解决加载大量点要素到地图上产生覆盖现象的问题，并提高性能
-         * @constructor
-         * @param {Map} map 地图的一个实例。
-         * @param {Json Object} options 可选参数，可选项包括：<br />
-         *    markers {Array<Marker>} 要聚合的标记数组<br />
-         *    girdSize {Number} 聚合计算时网格的像素大小，默认60<br />
-         *    maxZoom {Number} 最大的聚合级别，大于该级别就不进行相应的聚合<br />
-         *    minClusterSize {Number} 最小的聚合数量，小于该数量的不能成为一个聚合，默认为2<br />
-         *    isAvgCenter {Boolean} 聚合点的落脚位置是否是所有聚合在内点的平均值，默认为否，落脚在聚合内的第一个点<br />
-         *    styles {Array<IconStyle>} 自定义聚合后的图标风格，请参考TextIconOverlay类<br />
-         */
-        BMapLib.MarkerCluster = function(map, options){
-            if (!map){
-                return;
-            }
-            this._map = map;
-            this._markers = [];
-            this._clusters = [];
-
-            var opts = options || {};
-            this._gridSize = opts["gridSize"] || 60;
-            this._maxZoom = opts["maxZoom"] || 21;
-            this._minClusterSize = opts["minClusterSize"] || 2;
-            this._isAverageCenter = false;
-            if (opts['isAverageCenter'] != undefined) {
-                this._isAverageCenter = opts['isAverageCenter'];
-            }
-            this._styles = opts["styles"] || [];
-            this._callback = opts["callback"] || function(){};
-
-            var that = this;
-            this._map.addEventListener("zoomend",function(){
-                that._redraw();
-            });
-
-            // this._map.addEventListener("moveend",function(){
-            //      that._redraw();
-            // });
-
-            var markers = opts["markers"];
-            isArray(markers) && this.addMarkers(markers);
-        };
-
-    /**
-     * 添加要聚合的标记数组。
-     * @param {Array<Marker>} markers 要聚合的标记数组
-     *
-     * @return 无返回值。
-     */
-    MarkerCluster.prototype.addMarkers = function(markers){
-        for(var i = 0, len = markers.length; i <len ; i++){
-            this._pushMarkerTo(markers[i]);
-        }
-        this._createClusters();
-    };
-
-    /**
-     * 把一个标记添加到要聚合的标记数组中
-     * @param {BMapGL.Marker} marker 要添加的标记
-     *
-     * @return 无返回值。
-     */
-    MarkerCluster.prototype._pushMarkerTo = function(marker){
-        var index = indexOf(marker, this._markers);
-        if(index === -1){
-            marker.isInCluster = false;
-            this._markers.push(marker);//Marker拖放后enableDragging不做变化，忽略
-        }
-    };
-
-    /**
-     * 添加一个聚合的标记。
-     * @param {BMapGL.Marker} marker 要聚合的单个标记。
-     * @return 无返回值。
-     */
-    MarkerCluster.prototype.addMarker = function(marker) {
-        this._pushMarkerTo(marker);
-        this._createClusters();
-    };
-
-    /**
-     * 根据所给定的标记，创建聚合点，并且遍历所有聚合点
-     * @return 无返回值
-     */
-    MarkerCluster.prototype._createClusters = function(){
-        var mapBounds = this._map.getBounds();
-        var extendedBounds = getExtendedBounds(this._map, mapBounds, this._gridSize);
-        for(var i = 0, marker; marker = this._markers[i]; i++){
-            if(!marker.isInCluster && extendedBounds && extendedBounds.containsPoint(marker._position) ){
-                this._addToClosestCluster(marker);
-            }
-        }
-
-        var len = this._markers.length;
-        for (var i = 0; i < len; i++) {
-            if(this._clusters[i]){
-                this._clusters[i].render();
-            }
-        }
-    };
-
-    /**
-     * 根据标记的位置，把它添加到最近的聚合中
-     * @param {BMapGL.Marker} marker 要进行聚合的单个标记
-     *
-     * @return 无返回值。
-     */
-    MarkerCluster.prototype._addToClosestCluster = function (marker){
-        var distance = 4000000;
-        var clusterToAddTo = null;
-        var position = marker.getPosition();
-        for(var i = 0, cluster; cluster = this._clusters[i]; i++){
-            var center = cluster.getCenter();
-            if(center){
-                var d = this._map.getDistance(center, marker.getPosition());
-                if(d < distance){
-                    distance = d;
-                    clusterToAddTo = cluster;
-                }
-            }
-        }
-
-        if (clusterToAddTo && clusterToAddTo.isMarkerInClusterBounds(marker)){
-            clusterToAddTo.addMarker(marker);
-        } else {
-            var cluster = new Cluster(this);
-            cluster.addMarker(marker);
-            this._clusters.push(cluster);
-        }
-    };
-
-    /**
-     * 清除上一次的聚合的结果
-     * @return 无返回值。
-     */
-    MarkerCluster.prototype._clearLastClusters = function(){
-        for(var i = 0, cluster; cluster = this._clusters[i]; i++){
-            cluster.remove();
-        }
-        this._clusters = [];//置空Cluster数组
-        this._removeMarkersFromCluster();//把Marker的cluster标记设为false
-    };
-
-    /**
-     * 清除某个聚合中的所有标记
-     * @return 无返回值
-     */
-    MarkerCluster.prototype._removeMarkersFromCluster = function(){
-        for(var i = 0, marker; marker = this._markers[i]; i++){
-            marker.isInCluster = false;
-        }
-    };
-
-    /**
-     * 把所有的标记从地图上清除
-     * @return 无返回值
-     */
-    MarkerCluster.prototype._removeMarkersFromMap = function(){
-        for(var i = 0, marker; marker = this._markers[i]; i++){
-            marker.isInCluster = false;
-            this._map.removeOverlay(marker);
-        }
-    };
-
-    /**
-     * 删除单个标记
-     * @param {BMapGL.Marker} marker 需要被删除的marker
-     *
-     * @return {Boolean} 删除成功返回true，否则返回false
-     */
-    MarkerCluster.prototype._removeMarker = function(marker) {
-        var index = indexOf(marker, this._markers);
-        if (index === -1) {
-            return false;
-        }
-        this._map.removeOverlay(marker);
-        this._markers.splice(index, 1);
-        return true;
-    };
-
-    /**
-     * 删除单个标记
-     * @param {BMapGL.Marker} marker 需要被删除的marker
-     *
-     * @return {Boolean} 删除成功返回true，否则返回false
-     */
-    MarkerCluster.prototype.removeMarker = function(marker) {
-        var success = this._removeMarker(marker);
-        if (success) {
-            this._clearLastClusters();
-            this._createClusters();
-        }
-        return success;
-    };
-
-    /**
-     * 删除一组标记
-     * @param {Array<BMapGL.Marker>} markers 需要被删除的marker数组
-     *
-     * @return {Boolean} 删除成功返回true，否则返回false
-     */
-    MarkerCluster.prototype.removeMarkers = function(markers) {
-        var success = false;
-        for (var i = 0; i < markers.length; i++) {
-            var r = this._removeMarker(markers[i]);
-            success = success || r;
-        }
-
-        if (success) {
-            this._clearLastClusters();
-            this._createClusters();
-        }
-        return success;
-    };
-
-    /**
-     * 从地图上彻底清除所有的标记
-     * @return 无返回值
-     */
-    MarkerCluster.prototype.clearMarkers = function() {
-        this._clearLastClusters();
-        this._removeMarkersFromMap();
-        this._markers = [];
-    };
-
-    /**
-     * 重新生成，比如改变了属性等
-     * @return 无返回值
-     */
-    MarkerCluster.prototype._redraw = function () {
-        this._clearLastClusters();
-        this._createClusters();
-    };
-
-    /**
-     * 获取网格大小
-     * @return {Number} 网格大小
-     */
-    MarkerCluster.prototype.getGridSize = function() {
-        return this._gridSize;
-    };
-
-    /**
-     * 设置网格大小
-     * @param {Number} size 网格大小
-     * @return 无返回值
-     */
-    MarkerCluster.prototype.setGridSize = function(size) {
-        this._gridSize = size;
-        this._redraw();
-    };
-
-    /**
-     * 获取聚合的最大缩放级别。
-     * @return {Number} 聚合的最大缩放级别。
-     */
-    MarkerCluster.prototype.getMaxZoom = function() {
-        return this._maxZoom;
-    };
-
-    /**
-     * 设置聚合的最大缩放级别
-     * @param {Number} maxZoom 聚合的最大缩放级别
-     * @return 无返回值
-     */
-    MarkerCluster.prototype.setMaxZoom = function(maxZoom) {
-        this._maxZoom = maxZoom;
-        this._redraw();
-    };
-
-    /**
-     * 获取聚合的样式风格集合
-     * @return {Array<IconStyle>} 聚合的样式风格集合
-     */
-    MarkerCluster.prototype.getStyles = function() {
-        return this._styles;
-    };
-
-    /**
-     * 设置聚合的样式风格集合
-     * @param {Array<IconStyle>} styles 样式风格数组
-     * @return 无返回值
-     */
-    MarkerCluster.prototype.setStyles = function(styles) {
-        this._styles = styles;
-        this._redraw();
-    };
-
-    /**
-     * 获取单个聚合的最小数量。
-     * @return {Number} 单个聚合的最小数量。
-     */
-    MarkerCluster.prototype.getMinClusterSize = function() {
-        return this._minClusterSize;
-    };
-
-    /**
-     * 设置单个聚合的最小数量。
-     * @param {Number} size 单个聚合的最小数量。
-     * @return 无返回值。
-     */
-    MarkerCluster.prototype.setMinClusterSize = function(size) {
-        this._minClusterSize = size;
-        this._redraw();
-    };
-
-    /**
-     * 获取单个聚合的落脚点是否是聚合内所有标记的平均中心。
-     * @return {Boolean} true或false。
-     */
-    MarkerCluster.prototype.isAverageCenter = function() {
-        return this._isAverageCenter;
-    };
-
-    /**
-     * 获取聚合的Map实例。
-     * @return {Map} Map的示例。
-     */
-    MarkerCluster.prototype.getMap = function() {
-      return this._map;
-    };
-
-    /**
-     * 获取所有的标记数组。
-     * @return {Array<Marker>} 标记数组。
-     */
-    MarkerCluster.prototype.getMarkers = function() {
-        return this._markers;
-    };
-
-    /**
-     * 获取聚合的总数量。
-     * @return {Number} 聚合的总数量。
-     */
-    MarkerCluster.prototype.getClustersCount = function() {
-        var count = 0;
-        for(var i = 0, cluster; cluster = this._clusters[i]; i++){
-            cluster.isReal() && count++;
-        }
-        return count;
-    };
-
-    MarkerCluster.prototype.getCallback = function() {
-        return this._callback;
-    }
-
-    /**
-     * @ignore
-     * Cluster
-     * @class 表示一个聚合对象，该聚合，包含有N个标记，这N个标记组成的范围，并有予以显示在Map上的TextIconOverlay等。
-     * @constructor
-     * @param {MarkerCluster} markerCluster 一个标记聚合器示例。
-     */
-    function Cluster(markerCluster){
-        this._markerCluster = markerCluster;
-        this._map = markerCluster.getMap();
-        this._minClusterSize = markerCluster.getMinClusterSize();
-        this._isAverageCenter = markerCluster.isAverageCenter();
-        this._center = null;//落脚位置
-        this._markers = [];//这个Cluster中所包含的markers
-        this._gridBounds = null;//以中心点为准，向四边扩大gridSize个像素的范围，也即网格范围
-        this._isReal = false; //真的是个聚合
-
-        this._clusterMarker = new BMapLib.TextIconOverlay(this._center, this._markers.length, {"styles":this._markerCluster.getStyles()});
-        //this._map.addOverlay(this._clusterMarker);
-    }
-
-    /**
-     * 向该聚合添加一个标记。
-     * @param {Marker} marker 要添加的标记。
-     * @return 无返回值。
-     */
-    Cluster.prototype.addMarker = function(marker){
-        if(this.isMarkerInCluster(marker)){
-            return false;
-        }//也可用marker.isInCluster判断,外面判断OK，这里基本不会命中
-
-        if (!this._center){
-            this._center = marker.getPosition();
-            this.updateGridBounds();//
-        } else {
-            if(this._isAverageCenter){
-                var l = this._markers.length + 1;
-                var lat = (this._center.lat * (l - 1) + marker.getPosition().lat) / l;
-                var lng = (this._center.lng * (l - 1) + marker.getPosition().lng) / l;
-                this._center = new BMapGL.Point(lng, lat);
-                this.updateGridBounds();
-            }//计算新的Center
-        }
-
-        marker.isInCluster = true;
-        this._markers.push(marker);
-    };
-
-    /**
-     * 进行dom操作
-     * @return 无返回值
-     */
-    Cluster.prototype.render = function(){
-        var len = this._markers.length;
-
-        if (len < this._minClusterSize) {
-            for (var i = 0; i < len; i++) {
-                this._map.addOverlay(this._markers[i]);
-            }
-        } else {
-            this._map.addOverlay(this._clusterMarker);
-            this._isReal = true;
-            this.updateClusterMarker();
-        }
-    }
-
-    /**
-     * 判断一个标记是否在该聚合中。
-     * @param {Marker} marker 要判断的标记。
-     * @return {Boolean} true或false。
-     */
-    Cluster.prototype.isMarkerInCluster= function(marker){
-        if (this._markers.indexOf) {
-            return this._markers.indexOf(marker) != -1;
-        } else {
-            for (var i = 0, m; m = this._markers[i]; i++) {
-                if (m === marker) {
-                    return true;
-                }
-            }
-        }
-        return false;
-    };
-
-    /**
-     * 判断一个标记是否在该聚合网格范围中。
-     * @param {Marker} marker 要判断的标记。
-     * @return {Boolean} true或false。
-     */
-    Cluster.prototype.isMarkerInClusterBounds = function(marker) {
-        return this._gridBounds.containsPoint(marker.getPosition());
-    };
-
-    Cluster.prototype.isReal = function(marker) {
-        return this._isReal;
-    };
-
-    /**
-     * 更新该聚合的网格范围。
-     * @return 无返回值。
-     */
-    Cluster.prototype.updateGridBounds = function() {
-        var bounds = new BMapGL.Bounds(this._center, this._center);
-        this._gridBounds = getExtendedBounds(this._map, bounds, this._markerCluster.getGridSize());
-    };
-
-    /**
-     * 更新该聚合的显示样式，也即TextIconOverlay。
-     * @return 无返回值。
-     */
-    Cluster.prototype.updateClusterMarker = function () {
-        if (this._map.getZoom() > this._markerCluster.getMaxZoom()) {
-            this._clusterMarker && this._map.removeOverlay(this._clusterMarker);
-            for (var i = 0, marker; marker = this._markers[i]; i++) {
-                this._map.addOverlay(marker);
-            }
-            return;
-        }
-
-        if (this._markers.length < this._minClusterSize) {
-            this._clusterMarker.hide();
-            return;
-        }
-
-        this._clusterMarker.setPosition(this._center);
-
-        // this._clusterMarker.setText(this._markers.length);
-        var imageUrl = this._markers[0].getImageUrl();
-        this._clusterMarker.setText(this._markers.length, imageUrl);
-
-        var thatMap = this._map;
-        var thatBounds = this.getBounds();
-        let clickTimeout;
-        this._clusterMarker.addEventListener("click", (event) => {
-            if (clickTimeout) {
-                clearTimeout(clickTimeout);
-                clickTimeout = null;
-                return;
-            }
-            clickTimeout = setTimeout(() => {
-                if (this._markerCluster && typeof this._markerCluster.getCallback() === 'function') {
-                const markers = this._markers;
-                this._markerCluster.getCallback()(event, markers);
-            }
-            clickTimeout = null;
-            }, 300); // Delay to differentiate between single and double click
-        });
-
-        this._clusterMarker.addEventListener("dblclick", (event) => {
-            if (clickTimeout) {
-                clearTimeout(clickTimeout);
-                clickTimeout = null;
-            }
-            // Do nothing on double click
-        });
-    };
-
-    /**
-     * 删除该聚合。
-     * @return 无返回值。
-     */
-    Cluster.prototype.remove = function(){
-        for (var i = 0, m; m = this._markers[i]; i++) {
-            this._markers[i].getMap() && this._map.removeOverlay(this._markers[i])
-        }//清除散的标记点
-        this._map.removeOverlay(this._clusterMarker);
-        this._markers.length = 0;
-        delete this._markers;
-    }
-
-    /**
-     * 获取该聚合所包含的所有标记的最小外接矩形的范围。
-     * @return {BMapGL.Bounds} 计算出的范围。
-     */
-    Cluster.prototype.getBounds = function() {
-        var bounds = new BMapGL.Bounds(this._center, this._center);
-        for (var i = 0, marker; marker = this._markers[i]; i++) {
-            bounds.extend(marker.getPosition());
-        }
-        return bounds;
-    };
-
-    /**
-     * 获取该聚合的落脚点。
-     * @return {BMapGL.Point} 该聚合的落脚点。
-     */
-    Cluster.prototype.getCenter = function() {
-        return this._center;
-    };
-
-})();
diff --git a/media/js/map/text-icon-overlay.js b/media/js/map/text-icon-overlay.js
deleted file mode 100644
index c713ea3670..0000000000
--- a/media/js/map/text-icon-overlay.js
+++ /dev/null
@@ -1,1077 +0,0 @@
-/**
- * @fileoverview 此类表示地图上的一个覆盖物，该覆盖物由文字和图标组成，从Overlay继承。
- * 主入口类是<a href="symbols/BMapLib.TextIconOverlay.html">TextIconOverlay</a>，
- * 基于Baidu Map API 1.2。
- *
- * @author Baidu Map Api Group 
- * @version 1.2
- */
- 
-
- /** 
- * @namespace BMap的所有library类均放在BMapLib命名空间下
- */
-var BMapLib = window.BMapLib = BMapLib || {};
-
-(function () { 
-   
-    /**
-     * 声明baidu包
-     */
-    var T,
-    baidu = T = baidu || {version: "1.3.8"}; 
-    
-    (function (){
-        //提出guid，防止在与老版本Tangram混用时
-        //在下一行错误的修改window[undefined]
-        baidu.guid = "$BAIDU$";
-
-        //Tangram可能被放在闭包中
-        //一些页面级别唯一的属性，需要挂载在window[baidu.guid]上
-        window[baidu.guid] = window[baidu.guid] || {};
-
-        /**         
-        * @ignore
-        * @namespace baidu.dom 操作dom的方法。
-        */
-        baidu.dom = baidu.dom || {};
-    
-        
-        /**
-         * 从文档中获取指定的DOM元素
-         * @name baidu.dom.g
-         * @function
-         * @grammar baidu.dom.g(id)
-         * @param {string|HTMLElement} id 元素的id或DOM元素
-         * @shortcut g,T.G
-         * @meta standard
-         * @see baidu.dom.q
-         *             
-         * @returns {HTMLElement|null} 获取的元素，查找不到时返回null,如果参数不合法，直接返回参数
-         */
-        baidu.dom.g = function (id) {
-            if ('string' == typeof id || id instanceof String) {
-                return document.getElementById(id);
-            } else if (id && id.nodeName && (id.nodeType == 1 || id.nodeType == 9)) {
-                return id;
-            }
-            return null;
-        };
-
-        // 声明快捷方法
-        baidu.g = baidu.G = baidu.dom.g;
-
-        /**
-         * 获取目标元素所属的document对象
-         * @name baidu.dom.getDocument
-         * @function
-         * @grammar baidu.dom.getDocument(element)
-         * @param {HTMLElement|string} element 目标元素或目标元素的id
-         * @meta standard
-         * @see baidu.dom.getWindow
-         *             
-         * @returns {HTMLDocument} 目标元素所属的document对象
-         */
-        baidu.dom.getDocument = function (element) {
-            element = baidu.dom.g(element);
-            return element.nodeType == 9 ? element : element.ownerDocument || element.document;
-        };
-
-        /**
-           * @ignore
-         * @namespace baidu.lang 对语言层面的封装，包括类型判断、模块扩展、继承基类以及对象自定义事件的支持。
-        */
-        baidu.lang = baidu.lang || {};
-
-        /**
-         * 判断目标参数是否string类型或String对象
-         * @name baidu.lang.isString
-         * @function
-         * @grammar baidu.lang.isString(source)
-         * @param {Any} source 目标参数
-         * @shortcut isString
-         * @meta standard
-         * @see baidu.lang.isObject,baidu.lang.isNumber,baidu.lang.isArray,baidu.lang.isElement,baidu.lang.isBoolean,baidu.lang.isDate
-         *             
-         * @returns {boolean} 类型判断结果
-         */
-        baidu.lang.isString = function (source) {
-            return '[object String]' == Object.prototype.toString.call(source);
-        };
-
-        // 声明快捷方法
-        baidu.isString = baidu.lang.isString;
-
-        /**
-         * 从文档中获取指定的DOM元素
-         * **内部方法**
-         * 
-         * @param {string|HTMLElement} id 元素的id或DOM元素
-         * @meta standard
-         * @return {HTMLElement} DOM元素，如果不存在，返回null，如果参数不合法，直接返回参数
-         */
-        baidu.dom._g = function (id) {
-            if (baidu.lang.isString(id)) {
-                return document.getElementById(id);
-            }
-            return id;
-        };
-
-        // 声明快捷方法
-        baidu._g = baidu.dom._g;
-
-        /**
-         * @ignore
-         * @namespace baidu.browser 判断浏览器类型和特性的属性。
-         */
-        baidu.browser = baidu.browser || {};
-
-        if (/msie (\d+\.\d)/i.test(navigator.userAgent)) {
-            //IE 8下，以documentMode为准
-            //在百度模板中，可能会有$，防止冲突，将$1 写成 \x241
-            /**
-             * 判断是否为ie浏览器
-             * @property ie ie版本号
-             * @grammar baidu.browser.ie
-             * @meta standard
-             * @shortcut ie
-             * @see baidu.browser.firefox,baidu.browser.safari,baidu.browser.opera,baidu.browser.chrome,baidu.browser.maxthon 
-             */
-           baidu.browser.ie = baidu.ie = document.documentMode || + RegExp['\x241'];
-        }
-
-        /**
-         * 获取目标元素的computed style值。如果元素的样式值不能被浏览器计算，则会返回空字符串（IE）
-         *
-         * @author berg
-         * @name baidu.dom.getComputedStyle
-         * @function
-         * @grammar baidu.dom.getComputedStyle(element, key)
-         * @param {HTMLElement|string} element 目标元素或目标元素的id
-         * @param {string} key 要获取的样式名
-         *
-         * @see baidu.dom.getStyle
-         *             
-         * @returns {string} 目标元素的computed style值
-         */
-
-        baidu.dom.getComputedStyle = function(element, key){
-            element = baidu.dom._g(element);
-            var doc = baidu.dom.getDocument(element),
-                styles;
-            if (doc.defaultView && doc.defaultView.getComputedStyle) {
-                styles = doc.defaultView.getComputedStyle(element, null);
-                if (styles) {
-                    return styles[key] || styles.getPropertyValue(key);
-                }
-            }
-            return ''; 
-        };
-
-        /**
-         * 提供给setStyle与getStyle使用
-         */
-        baidu.dom._styleFixer = baidu.dom._styleFixer || {};
-
-        /**
-         * 提供给setStyle与getStyle使用
-         */
-        baidu.dom._styleFilter = baidu.dom._styleFilter || [];
-
-        /**
-         * 为获取和设置样式的过滤器
-         * @private
-         * @meta standard
-         */
-        baidu.dom._styleFilter.filter = function (key, value, method) {
-            for (var i = 0, filters = baidu.dom._styleFilter, filter; filter = filters[i]; i++) {
-                if (filter = filter[method]) {
-                    value = filter(key, value);
-                }
-            }
-            return value;
-        };
-
-        /**
-           * @ignore
-         * @namespace baidu.string 操作字符串的方法。
-         */
-        baidu.string = baidu.string || {};
-
-        /**
-         * 将目标字符串进行驼峰化处理
-         * @name baidu.string.toCamelCase
-         * @function
-         * @grammar baidu.string.toCamelCase(source)
-         * @param {string} source 目标字符串
-         * @remark
-         * 支持单词以“-_”分隔
-         * @meta standard
-         *             
-         * @returns {string} 驼峰化处理后的字符串
-         */
-        baidu.string.toCamelCase = function (source) {
-            //提前判断，提高getStyle等的效率
-            if (source.indexOf('-') < 0 && source.indexOf('_') < 0) {
-                return source;
-            }
-            return source.replace(/[-_][^-_]/g, function (match) {
-                return match.charAt(1).toUpperCase();
-            });
-        };
-
-        /**
-         * 获取目标元素的样式值
-         * @name baidu.dom.getStyle
-         * @function
-         * @grammar baidu.dom.getStyle(element, key)
-         * @param {HTMLElement|string} element 目标元素或目标元素的id
-         * @param {string} key 要获取的样式名
-         * @remark
-         * 
-         * 为了精简代码，本模块默认不对任何浏览器返回值进行归一化处理（如使用getStyle时，不同浏览器下可能返回rgb颜色或hex颜色），也不会修复浏览器的bug和差异性（如设置IE的float属性叫styleFloat，firefox则是cssFloat）。<br />
-         * baidu.dom._styleFixer和baidu.dom._styleFilter可以为本模块提供支持。<br />
-         * 其中_styleFilter能对颜色和px进行归一化处理，_styleFixer能对display，float，opacity，textOverflow的浏览器兼容性bug进行处理。	
-         * @shortcut getStyle
-         * @meta standard
-         * @see baidu.dom.setStyle,baidu.dom.setStyles, baidu.dom.getComputedStyle
-         *             
-         * @returns {string} 目标元素的样式值
-         */
-        baidu.dom.getStyle = function (element, key) {
-            var dom = baidu.dom;
-
-            element = dom.g(element);
-            key = baidu.string.toCamelCase(key);
-            //computed style, then cascaded style, then explicitly set style.
-            var value = element.style[key] ||
-                        (element.currentStyle ? element.currentStyle[key] : "") || 
-                        dom.getComputedStyle(element, key);
-
-            // 在取不到值的时候，用fixer进行修正
-            if (!value) {
-                var fixer = dom._styleFixer[key];
-                if(fixer){
-                    value = fixer.get ? fixer.get(element) : baidu.dom.getStyle(element, fixer);
-                }
-            }
-    
-            /* 检查结果过滤器 */
-            if (fixer = dom._styleFilter) {
-                value = fixer.filter(key, value, 'get');
-            }
-
-            return value;
-        };
-
-        // 声明快捷方法
-        baidu.getStyle = baidu.dom.getStyle;
-
-
-        if (/opera\/(\d+\.\d)/i.test(navigator.userAgent)) {
-        /**
-         * 判断是否为opera浏览器
-         * @property opera opera版本号
-         * @grammar baidu.browser.opera
-         * @meta standard
-         * @see baidu.browser.ie,baidu.browser.firefox,baidu.browser.safari,baidu.browser.chrome 
-         */
-            baidu.browser.opera = + RegExp['\x241'];
-        }
-
-        /**
-         * 判断是否为webkit内核
-         * @property isWebkit 
-         * @grammar baidu.browser.isWebkit
-         * @meta standard
-         * @see baidu.browser.isGecko
-         */
-        baidu.browser.isWebkit = /webkit/i.test(navigator.userAgent);
-
-        /**
-         * 判断是否为gecko内核
-         * @property isGecko 
-         * @grammar baidu.browser.isGecko
-         * @meta standard
-         * @see baidu.browser.isWebkit
-         */
-        baidu.browser.isGecko = /gecko/i.test(navigator.userAgent) && !/like gecko/i.test(navigator.userAgent);
-
-        /**
-         * 判断是否严格标准的渲染模式
-         * @property isStrict 
-         * @grammar baidu.browser.isStrict
-         * @meta standard
-         */
-        baidu.browser.isStrict = document.compatMode == "CSS1Compat";
-
-        /**
-         * 获取目标元素相对于整个文档左上角的位置
-         * @name baidu.dom.getPosition
-         * @function
-         * @grammar baidu.dom.getPosition(element)
-         * @param {HTMLElement|string} element 目标元素或目标元素的id
-         * @meta standard
-         *             
-         * @returns {Object} 目标元素的位置，键值为top和left的Object。
-         */
-        baidu.dom.getPosition = function (element) {
-            element = baidu.dom.g(element);
-            var doc = baidu.dom.getDocument(element), 
-                browser = baidu.browser,
-                getStyle = baidu.dom.getStyle,
-            // Gecko 1.9版本以下用getBoxObjectFor计算位置
-            // 但是某些情况下是有bug的
-            // 对于这些有bug的情况
-            // 使用递归查找的方式
-                BUGGY_GECKO_BOX_OBJECT = browser.isGecko > 0 && 
-                                         doc.getBoxObjectFor &&
-                                         getStyle(element, 'position') == 'absolute' &&
-                                         (element.style.top === '' || element.style.left === ''),
-                pos = {"left":0,"top":0},
-                viewport = (browser.ie && !browser.isStrict) ? doc.body : doc.documentElement,
-                parent,
-                box;
-    
-            if(element == viewport){
-                return pos;
-            }
-
-            if(element.getBoundingClientRect){ // IE and Gecko 1.9+
-        
-                //当HTML或者BODY有border width时, 原生的getBoundingClientRect返回值是不符合预期的
-                //考虑到通常情况下 HTML和BODY的border只会设成0px,所以忽略该问题.
-                box = element.getBoundingClientRect();
-
-                pos.left = Math.floor(box.left) + Math.max(doc.documentElement.scrollLeft, doc.body.scrollLeft);
-                pos.top  = Math.floor(box.top)  + Math.max(doc.documentElement.scrollTop,  doc.body.scrollTop);
-        
-                // IE会给HTML元素添加一个border，默认是medium（2px）
-                // 但是在IE 6 7 的怪异模式下，可以被html { border: 0; } 这条css规则覆盖
-                // 在IE7的标准模式下，border永远是2px，这个值通过clientLeft 和 clientTop取得
-                // 但是。。。在IE 6 7的怪异模式，如果用户使用css覆盖了默认的medium
-                // clientTop和clientLeft不会更新
-                pos.left -= doc.documentElement.clientLeft;
-                pos.top  -= doc.documentElement.clientTop;
-        
-                var htmlDom = doc.body,
-                    // 在这里，不使用element.style.borderLeftWidth，只有computedStyle是可信的
-                    htmlBorderLeftWidth = parseInt(getStyle(htmlDom, 'borderLeftWidth')),
-                    htmlBorderTopWidth = parseInt(getStyle(htmlDom, 'borderTopWidth'));
-                if(browser.ie && !browser.isStrict){
-                    pos.left -= isNaN(htmlBorderLeftWidth) ? 2 : htmlBorderLeftWidth;
-                    pos.top  -= isNaN(htmlBorderTopWidth) ? 2 : htmlBorderTopWidth;
-                }
-            } else { 
-                // safari/opera/firefox
-                parent = element;
-
-                do {
-                    pos.left += parent.offsetLeft;
-                    pos.top  += parent.offsetTop;
-      
-                    // safari里面，如果遍历到了一个fixed的元素，后面的offset都不准了
-                    if (browser.isWebkit > 0 && getStyle(parent, 'position') == 'fixed') {
-                        pos.left += doc.body.scrollLeft;
-                        pos.top  += doc.body.scrollTop;
-                        break;
-                    }
-            
-                    parent = parent.offsetParent;
-                } while (parent && parent != element);
-
-                // 对body offsetTop的修正
-                if(browser.opera > 0 || (browser.isWebkit > 0 && getStyle(element, 'position') == 'absolute')){
-                    pos.top  -= doc.body.offsetTop;
-                }
-
-                // 计算除了body的scroll
-                parent = element.offsetParent;
-                while (parent && parent != doc.body) {
-                    pos.left -= parent.scrollLeft;
-                    // see https://bugs.opera.com/show_bug.cgi?id=249965
-                    if (!browser.opera || parent.tagName != 'TR') {
-                        pos.top -= parent.scrollTop;
-                    }
-                    parent = parent.offsetParent;
-                }
-            }
-
-            return pos;
-        };
-
-        /**
-         * @ignore
-         * @namespace baidu.event 屏蔽浏览器差异性的事件封装。
-         * @property target 	事件的触发元素
-         * @property pageX 		鼠标事件的鼠标x坐标
-         * @property pageY 		鼠标事件的鼠标y坐标
-         * @property keyCode 	键盘事件的键值
-         */
-        baidu.event = baidu.event || {};
-
-        /**
-         * 事件监听器的存储表
-         * @private
-         * @meta standard
-         */
-        baidu.event._listeners = baidu.event._listeners || [];
-
-        /**
-         * 为目标元素添加事件监听器
-         * @name baidu.event.on
-         * @function
-         * @grammar baidu.event.on(element, type, listener)
-         * @param {HTMLElement|string|window} element 目标元素或目标元素id
-         * @param {string} type 事件类型
-         * @param {Function} listener 需要添加的监听器
-         * @remark
-         * 
-        1. 不支持跨浏览器的鼠标滚轮事件监听器添加<br>
-        2. 改方法不为监听器灌入事件对象，以防止跨iframe事件挂载的事件对象获取失败
-    
-         * @shortcut on
-         * @meta standard
-         * @see baidu.event.un
-         *             
-         * @returns {HTMLElement|window} 目标元素
-         */
-        baidu.event.on = function (element, type, listener) {
-            type = type.replace(/^on/i, '');
-            element = baidu.dom._g(element);
-
-            var realListener = function (ev) {
-                    // 1. 这里不支持EventArgument,  原因是跨frame的事件挂载
-                    // 2. element是为了修正this
-                    listener.call(element, ev);
-                },
-                lis = baidu.event._listeners,
-                filter = baidu.event._eventFilter,
-                afterFilter,
-                realType = type;
-            type = type.toLowerCase();
-            // filter过滤
-            if(filter && filter[type]){
-                afterFilter = filter[type](element, type, realListener);
-                realType = afterFilter.type;
-                realListener = afterFilter.listener;
-            }
-    
-            // 事件监听器挂载
-            if (element.addEventListener) {
-                element.addEventListener(realType, realListener, false);
-            } else if (element.attachEvent) {
-                element.attachEvent('on' + realType, realListener);
-            }
-  
-            // 将监听器存储到数组中
-            lis[lis.length] = [element, type, listener, realListener, realType];
-            return element;
-        };
-
-        // 声明快捷方法
-        baidu.on = baidu.event.on;
-
-        /**
-         * 返回一个当前页面的唯一标识字符串。
-         * @name baidu.lang.guid
-         * @function
-         * @grammar baidu.lang.guid()
-         * @version 1.1.1
-         * @meta standard
-         *             
-         * @returns {String} 当前页面的唯一标识字符串
-         */
-
-        (function(){
-            //不直接使用window，可以提高3倍左右性能
-            var guid = window[baidu.guid];
-
-            baidu.lang.guid = function() {
-                return "TANGRAM__" + (guid._counter ++).toString(36);
-            };
-
-            guid._counter = guid._counter || 1;
-        })();
-
-        /**
-         * 所有类的实例的容器
-         * key为每个实例的guid
-         * @meta standard
-         */
-
-        window[baidu.guid]._instances = window[baidu.guid]._instances || {};
-
-        /**
-         * 判断目标参数是否为function或Function实例
-         * @name baidu.lang.isFunction
-         * @function
-         * @grammar baidu.lang.isFunction(source)
-         * @param {Any} source 目标参数
-         * @version 1.2
-         * @see baidu.lang.isString,baidu.lang.isObject,baidu.lang.isNumber,baidu.lang.isArray,baidu.lang.isElement,baidu.lang.isBoolean,baidu.lang.isDate
-         * @meta standard
-         * @returns {boolean} 类型判断结果
-         */
-        baidu.lang.isFunction = function (source) {
-            // chrome下,'function' == typeof /a/ 为true.
-            return '[object Function]' == Object.prototype.toString.call(source);
-        };
-
-        /**
-         *    
-         * @ignore
-         * @class  Tangram继承机制提供的一个基类，用户可以通过继承baidu.lang.Class来获取它的属性及方法。
-         * @name 	baidu.lang.Class
-         * @grammar baidu.lang.Class(guid)
-         * @param 	{string}	guid	对象的唯一标识
-         * @meta standard
-         * @remark baidu.lang.Class和它的子类的实例均包含一个全局唯一的标识guid。guid是在构造函数中生成的，因此，继承自baidu.lang.Class的类应该直接或者间接调用它的构造函数。<br>baidu.lang.Class的构造函数中产生guid的方式可以保证guid的唯一性，及每个实例都有一个全局唯一的guid。
-         * @meta standard
-         * @see baidu.lang.inherits,baidu.lang.Event
-         */
-        baidu.lang.Class = function(guid) {
-            this.guid = guid || baidu.lang.guid();
-            window[baidu.guid]._instances[this.guid] = this;
-        };
-        window[baidu.guid]._instances = window[baidu.guid]._instances || {};
-
-        /**
-         * 释放对象所持有的资源，主要是自定义事件。
-         * @name dispose
-         * @grammar obj.dispose()
-         */
-        baidu.lang.Class.prototype.dispose = function(){
-            delete window[baidu.guid]._instances[this.guid];
-
-            for(var property in this){
-                if (!baidu.lang.isFunction(this[property])) {
-                    delete this[property];
-                }
-            }
-            this.disposed = true;
-        };
-
-        /**
-         * 重载了默认的toString方法，使得返回信息更加准确一些。
-         * @return {string} 对象的String表示形式
-         */
-        baidu.lang.Class.prototype.toString = function(){
-            return "[object " + (this._className || "Object" ) + "]";
-        };
-
-        /**
-         * @ignore
-         * @class   自定义的事件对象。
-         * @name 	baidu.lang.Event
-         * @grammar baidu.lang.Event(type[, target])
-         * @param 	{string} type	 事件类型名称。为了方便区分事件和一个普通的方法，事件类型名称必须以"on"(小写)开头。
-         * @param 	{Object} [target]触发事件的对象
-         * @meta standard
-         * @remark 引入该模块，会自动为Class引入3个事件扩展方法：addEventListener、removeEventListener和dispatchEvent。
-         * @meta standard
-         * @see baidu.lang.Class
-         */
-        baidu.lang.Event = function (type, target) {
-            this.type = type;
-            this.returnValue = true;
-            this.target = target || null;
-            this.currentTarget = null;
-        };
-
-        /**
-         * 注册对象的事件监听器。引入baidu.lang.Event后，Class的子类实例才会获得该方法。
-         * @grammar obj.addEventListener(type, handler[, key])
-         * @param 	{string}   type         自定义事件的名称
-         * @param 	{Function} handler      自定义事件被触发时应该调用的回调函数
-         * @param 	{string}   [key]		为事件监听函数指定的名称，可在移除时使用。如果不提供，方法会默认为它生成一个全局唯一的key。
-         * @remark 	事件类型区分大小写。如果自定义事件名称不是以小写"on"开头，该方法会给它加上"on"再进行判断，即"click"和"onclick"会被认为是同一种事件。 
-         */
-        baidu.lang.Class.prototype.addEventListener = function (type, handler, key) {
-            if (!baidu.lang.isFunction(handler)) {
-                return;
-            }
-
-            !this.__listeners && (this.__listeners = {});
-
-            var t = this.__listeners, id;
-            if (typeof key == "string" && key) {
-                if (/[^\w\-]/.test(key)) {
-                    throw("nonstandard key:" + key);
-                } else {
-                    handler.hashCode = key; 
-                    id = key;
-                }
-            }
-            type.indexOf("on") != 0 && (type = "on" + type);
-
-            typeof t[type] != "object" && (t[type] = {});
-            id = id || baidu.lang.guid();
-            handler.hashCode = id;
-            t[type][id] = handler;
-        };
- 
-        /**
-         * 移除对象的事件监听器。引入baidu.lang.Event后，Class的子类实例才会获得该方法。
-         * @grammar obj.removeEventListener(type, handler)
-         * @param {string}   type     事件类型
-         * @param {Function|string} handler  要移除的事件监听函数或者监听函数的key
-         * @remark 	如果第二个参数handler没有被绑定到对应的自定义事件中，什么也不做。
-         */
-        baidu.lang.Class.prototype.removeEventListener = function (type, handler) {
-            if (typeof handler != "undefined") {
-                if ( (baidu.lang.isFunction(handler) && ! (handler = handler.hashCode))
-                    || (! baidu.lang.isString(handler))
-                ){
-                    return;
-                }
-            }
-
-            !this.__listeners && (this.__listeners = {});
-
-            type.indexOf("on") != 0 && (type = "on" + type);
-
-            var t = this.__listeners;
-            if (!t[type]) {
-                return;
-            }
-            if (typeof handler != "undefined") {
-                t[type][handler] && delete t[type][handler];
-            } else {
-                for(var guid in t[type]){
-                    delete t[type][guid];
-                }
-            }
-        };
-
-        /**
-         * 派发自定义事件，使得绑定到自定义事件上面的函数都会被执行。引入baidu.lang.Event后，Class的子类实例才会获得该方法。
-         * @grammar obj.dispatchEvent(event, options)
-         * @param {baidu.lang.Event|String} event 	Event对象，或事件名称(1.1.1起支持)
-         * @param {Object} 					options 扩展参数,所含属性键值会扩展到Event对象上(1.2起支持)
-         * @remark 处理会调用通过addEventListener绑定的自定义事件回调函数之外，还会调用直接绑定到对象上面的自定义事件。例如：<br>
-        myobj.onMyEvent = function(){}<br>
-        myobj.addEventListener("onMyEvent", function(){});
-         */
-        baidu.lang.Class.prototype.dispatchEvent = function (event, options) {
-            if (baidu.lang.isString(event)) {
-                event = new baidu.lang.Event(event);
-            }
-            !this.__listeners && (this.__listeners = {});
-
-            // 20100603 添加本方法的第二个参数，将 options extend到event中去传递
-            options = options || {};
-            for (var i in options) {
-                event[i] = options[i];
-            }
-
-            var i, t = this.__listeners, p = event.type;
-            event.target = event.target || this;
-            event.currentTarget = this;
-
-            p.indexOf("on") != 0 && (p = "on" + p);
-
-            baidu.lang.isFunction(this[p]) && this[p].apply(this, arguments);
-
-            if (typeof t[p] == "object") {
-                for (i in t[p]) {
-                    t[p][i].apply(this, arguments);
-                }
-            }
-            return event.returnValue;
-        };
-
-
-        baidu.lang.inherits = function (subClass, superClass, className) {
-            var key, proto,
-                selfProps = subClass.prototype,
-                clazz = new Function();
-
-            clazz.prototype = superClass.prototype;
-            proto = subClass.prototype = new clazz();
-            for (key in selfProps) {
-                proto[key] = selfProps[key];
-            }
-            subClass.prototype.constructor = subClass;
-            subClass.superClass = superClass.prototype;
-
-            // 类名标识，兼容Class的toString，基本没用
-            if ("string" == typeof className) {
-                proto._className = className;
-            }
-        };
-        // 声明快捷方法
-        baidu.inherits = baidu.lang.inherits;
-    })();
-
-
-    /**
-    
-     * 图片的路径
-
-     * @private
-     * @type {String}
-    
-     */
-    var _IMAGE_PATH = 'http://api.map.baidu.com/library/TextIconOverlay/1.2/src/images/m';
-
-    /**
-    
-     * 图片的后缀名
-
-      * @private
-     * @type {String}
-    
-     */
-    var _IMAGE_EXTENSION  = 'png';
-
-    /**
-     *@exports TextIconOverlay as BMapLib.TextIconOverlay
-     */
-    var TextIconOverlay = 
-        /**
-        * TextIconOverlay
-        * @class 此类表示地图上的一个覆盖物，该覆盖物由文字和图标组成，从Overlay继承。文字通常是数字（0-9）或字母（A-Z ），而文字与图标之间有一定的映射关系。
-        *该覆盖物适用于以下类似的场景：需要在地图上添加一系列覆盖物，这些覆盖物之间用不同的图标和文字来区分，文字可能表示了该覆盖物的某一属性值，根据该文字和一定的映射关系，自动匹配相应颜色和大小的图标。
-        *
-        *@constructor
-        *@param {Point} position 表示一个经纬度坐标位置。
-        *@param {String} text 表示该覆盖物显示的文字信息。
-        *@param {Json Object} options 可选参数，可选项包括：<br />
-        *"<b>styles</b>":{Array<IconStyle>} 一组图标风格。单个图表风格包括以下几个属性：<br />
-        *   url	{String}	 图片的url地址。(必选)<br />
-        *   size {Size}	图片的大小。（必选）<br />
-        *   anchor {Size} 图标定位在地图上的位置相对于图标左上角的偏移值，默认偏移值为图标的中心位置。（可选）<br />
-        *   offset {Size} 图片相对于可视区域的偏移值，此功能的作用等同于CSS中的background-position属性。（可选）<br />
-        *   textSize {Number} 文字的大小。（可选，默认10）<br />
-        *   textColor {String} 文字的颜色。（可选，默认black）<br />
-        */
-        BMapLib.TextIconOverlay = function(position, text, options){
-            this._position = position;
-            this._text = text;
-            this._options = options || {};
-            this._styles = this._options['styles'] || [];
-            (!this._styles.length) && this._setupDefaultStyles();                  
-        };
-
-    T.lang.inherits(TextIconOverlay, BMapGL.Overlay, "TextIconOverlay");
-
-    TextIconOverlay.prototype._setupDefaultStyles = function(){  
-        var sizes = [53, 56, 66, 78, 90];
-        for(var i = 0, size; size = sizes[i]; i++){
-            this._styles.push({
-                url:_IMAGE_PATH + i + '.' + _IMAGE_EXTENSION,
-                size: new BMapGL.Size(size, size)
-            });
-        }//for循环的简洁写法
-    };
-
-    /**
-    *继承Overlay的initialize方法，自定义覆盖物时必须。
-    *@param {Map} map BMapGL.Map的实例化对象。
-    *@return {HTMLElement} 返回覆盖物对应的HTML元素。
-    */
-    TextIconOverlay.prototype.initialize = function(map){
-        this._map = map;
-    
-        this._domElement = document.createElement('div');
-        this._domElement.className = 'custom-image-overlay';
-        // this._updateCss();    
-        // this._updateText();
-        this._updatePosition(); 
-        
-        this._bind();
-
-        this._map.getPanes().markerMouseTarget.appendChild(this._domElement);
-        return this._domElement;   
-    };
-
-    /**
-    *继承Overlay的draw方法，自定义覆盖物时必须。
-    *@return 无返回值。
-    */
-    TextIconOverlay.prototype.draw = function(){
-        this._map && this._updatePosition();
-    };
-    
-    /**
-    *获取该覆盖物上的文字。
-    *@return {String} 该覆盖物上的文字。
-    */
-    TextIconOverlay.prototype.getText = function(){
-        return this._text;
-    };
-
-    /**
-    *设置该覆盖物上的文字。
-    *@param {String} text 要设置的文字，通常是字母A-Z或数字0-9。
-    *@return 无返回值。
-    */
-    TextIconOverlay.prototype.setText = function(text, imageUrl){
-        if(text && (!this._text || (this._text.toString() != text.toString()))){
-            this._text = text;
-            // this._updateText();
-            this._updateCss(imageUrl);
-            this._updatePosition(); 
-        }
-    };
-
-    /**
-    *获取该覆盖物的位置。
-    *@return {Point} 该覆盖物的经纬度坐标。
-    */
-    TextIconOverlay.prototype.getPosition = function () {
-        return this._position;
-    };
-   
-    /**
-    *设置该覆盖物的位置。
-    *@param {Point}  position 要设置的经纬度坐标。
-    *@return 无返回值。
-    */
-    TextIconOverlay.prototype.setPosition = function (position) {
-        if(position && (!this._position || !this._position.equals(position))){
-            this._position = position;  
-            this._updatePosition();
-        }
-    };
-
-    /**
-    *由文字信息获取风格数组的对应索引值。
-    *内部默认的对应函数为文字转换为数字除以10的结果，比如文字8返回索引0，文字25返回索引2.
-    *如果需要自定义映射关系，请覆盖该函数。
-    *@param {String} text  文字。
-    *@param {Array<IconStyle>}  styles 一组图标风格。
-    *@return {Number} 对应的索引值。
-    */
-    TextIconOverlay.prototype.getStyleByText = function(text, styles){
-        var count = parseInt(text);
-        var index = parseInt(count / 10);
-        index = Math.max(0, index);
-        index = Math.min(index, styles.length - 1);
-        return styles[index]; 
-    }
-
-    /**
-    *更新相应的CSS。
-    *@return 无返回值。
-    */
-    TextIconOverlay.prototype._updateCss = function(imageUrl){
-        var style = this.getStyleByText(this._text, this._styles);
-        var newStyle = {
-            url: imageUrl, 
-            size: { width: 86, height: 86 }
-        }
-        if (imageUrl) {
-            style = Object.assign(style, { url: imageUrl, size: { width: 86, height: 86 } })
-        }
-
-        const customImageNumber = `<span class="custom-image-number">${this._text < 1000 ? this._text : '1k+'}</span>`;
-        this._domElement.style.cssText = this.buildImageCssText(newStyle);
-        const imageElement = `<img src=${imageUrl} width="80" height="80" />`
-        const htmlString =  `
-            <div class="custom-image-container">
-                ${this._text > 1 ? customImageNumber : ''}
-                ${imageUrl ? imageElement :  '<div class="empty-custom-image-wrapper"></div>'}
-            </div>
-        `
-        const labelDocument = new DOMParser().parseFromString(htmlString, 'text/html');
-        const label = labelDocument.body.firstElementChild;
-        this._domElement.append(label);
-    };
-
-    TextIconOverlay.prototype.buildImageCssText = function(style) {
-        //根据style来确定一些默认值
-        var size = style['size'];
-        var anchor = style['anchor'];
-        var textColor = style['textColor'] || 'black';
-        var textSize = style['textSize'] || 10;
-
-        var cssText = [];
-
-        cssText.push('height:' + size.height + 'px; line-height:' + size.height + 'px;');
-        cssText.push('width:' + size.width + 'px; text-align:center;');
-   
-        cssText.push('cursor:pointer; color:' + textColor + '; position:absolute; font-size:' +
-            textSize + 'px; font-family:Arial,sans-serif; font-weight:bold');
-        return cssText.join('');
-    };
-
-    /**
-    *更新覆盖物的显示文字。
-    *@return 无返回值。
-    */
-    TextIconOverlay.prototype._updateText = function(){
-        if (this._domElement) {
-            this._domElement.innerHTML = this._text;
-        }
-    };
-
-    /**
-    *调整覆盖物在地图上的位置更新覆盖物的显示文字。
-    *@return 无返回值。
-    */
-    TextIconOverlay.prototype._updatePosition = function(){
-        if (this._domElement && this._position) {
-            var style = this._domElement.style;
-            var pixelPosition= this._map.pointToOverlayPixel(this._position); 
-            pixelPosition.x -= Math.ceil(parseInt(style.width) / 2);
-            pixelPosition.y -= Math.ceil(parseInt(style.height) + 8);       
-            style.left = pixelPosition.x + "px";
-            style.top = pixelPosition.y + "px";
-        }
-    };
-    
-    /**
-    * 为该覆盖物的HTML元素构建CSS
-    * @param {IconStyle}  一个图标的风格。
-    * @return {String} 构建完成的CSSTEXT。
-    */
-    TextIconOverlay.prototype._buildCssText = function(style) {
-        //根据style来确定一些默认值
-        var url = style['url'];
-        var size = style['size'];
-        var anchor = style['anchor'];
-        var offset = style['offset'];
-        var textColor = style['textColor'] || 'black';
-        var textSize = style['textSize'] || 10;
-
-        var cssText = [];
-        if (T.browser["ie"] < 7) {
-            cssText.push('filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(' +
-                'sizingMethod=scale,src="' + url + '");');
-        } else {
-            cssText.push('background-image:url(' + url + ');');
-            var backgroundPosition = '0 0';
-            (offset instanceof BMapGL.Size) && (backgroundPosition = offset.width + 'px' + ' ' + offset.height + 'px');          
-            cssText.push('background-position:' + backgroundPosition + ';');
-        }
-
-        if (size instanceof BMapGL.Size){
-            if (anchor instanceof BMapGL.Size) {
-                if (anchor.height > 0 && anchor.height < size.height) {
-                      cssText.push('height:' + (size.height - anchor.height) + 'px; padding-top:' + anchor.height + 'px;');
-                }
-                if(anchor.width > 0 && anchor.width < size.width){
-                    cssText.push('width:' + (size.width - anchor.width) + 'px; padding-left:' + anchor.width + 'px;');                
-                }
-            } else {
-                cssText.push('height:' + size.height + 'px; line-height:' + size.height + 'px;');
-                cssText.push('width:' + size.width + 'px; text-align:center;');
-            }
-        }
-   
-        cssText.push('cursor:pointer; color:' + textColor + '; position:absolute; font-size:' +
-            textSize + 'px; font-family:Arial,sans-serif; font-weight:bold');
-        return cssText.join('');
-    };
-
-
-    /**
-    
-     * 当鼠标点击该覆盖物时会触发该事件
-
-     * @name TextIconOverlay#click
-
-     * @event
-
-     * @param {Event Object} e 回调函数会返回event参数，包括以下返回值：
-    
-     * <br />"<b>type</b> : {String} 事件类型
-
-     * <br />"<b>target</b>：{BMapLib.TextIconOverlay} 事件目标
-
-     *
-
-     */
-
-    /**
-
-     * 当鼠标进入该覆盖物区域时会触发该事件
-
-     * @name TextIconOverlay#mouseover
-
-     * @event
-     * @param {Event Object} e 回调函数会返回event参数，包括以下返回值：
-    
-     * <br />"<b>type</b> : {String} 事件类型
-
-     * <br />"<b>target</b>：{BMapLib.TextIconOverlay} 事件目标
-
-     * <br />"<b>point</b> : {BMapGL.Point} 最新添加上的节点BMap.Point对象
-
-     * <br />"<b>pixel</b>：{BMapGL.pixel} 最新添加上的节点BMap.Pixel对象
-
-     *
-
-     * @example <b>参考示例：</b><br />
-
-     * myTextIconOverlay.addEventListener("mouseover", function(e) {  alert(e.point);  });
-
-     */
-
-    /**
-
-     * 当鼠标离开该覆盖物区域时会触发该事件
-
-     * @name TextIconOverlay#mouseout
-
-     * @event
-
-     * @param {Event Object} e 回调函数会返回event参数，包括以下返回值：
-
-     * <br />"<b>type</b> : {String} 事件类型
-
-     * <br />"<b>target</b>：{BMapLib.TextIconOverlay} 事件目标
-
-     * <br />"<b>point</b> : {BMapGL.Point} 最新添加上的节点BMap.Point对象
-
-     * <br />"<b>pixel</b>：{BMapGL.pixel} 最新添加上的节点BMap.Pixel对象
-
-     *
-
-     * @example <b>参考示例：</b><br />
-
-     * myTextIconOverlay.addEventListener("mouseout", function(e) {  alert(e.point);  });
-
-     */
-
-
-    /**
-    * 为该覆盖物绑定一系列事件
-    * 当前支持click mouseover mouseout
-    * @return 无返回值。
-    */
-    TextIconOverlay.prototype._bind = function(){
-        if (!this._domElement){
-            return;
-        }
-
-        var me = this;
-        var map = this._map;
-
-        var BaseEvent = T.lang.Event;
-        function eventExtend(e, be){
-            var elem = e.srcElement || e.target;
-            var x = e.clientX || e.pageX;
-            var y = e.clientY || e.pageY;
-            if (e && be && x && y && elem){
-                var offset = T.dom.getPosition(map.getContainer());
-                be.pixel = new BMapGL.Pixel(x - offset.left, y - offset.top);
-                be.point = map.pixelToPoint(be.pixel);
-            }
-            return be;
-        }//给事件参数增加pixel和point两个值
-
-        T.event.on(this._domElement,"mouseover", function(e){
-            me.dispatchEvent(eventExtend(e, new BaseEvent("onmouseover")));
-        });
-        T.event.on(this._domElement,"mouseout", function(e){
-            me.dispatchEvent(eventExtend(e, new BaseEvent("onmouseout")));
-        });
-        T.event.on(this._domElement,"click", function(e){
-            me.dispatchEvent(eventExtend(e, new BaseEvent("onclick")));
-        });
-    };
-
-})();