diff --git a/src/editor/Catalog/index.tsx b/src/editor/Catalog/index.tsx
index d074312..c3f41e4 100644
--- a/src/editor/Catalog/index.tsx
+++ b/src/editor/Catalog/index.tsx
@@ -1,10 +1,10 @@
 import { Collapse } from "antd";
-import { useSelector } from "react-redux";
+import { useDispatch, useSelector } from "react-redux";
 
-import { mapStateSelector } from "@store";
-import { IOverlay } from "@store";
+import { IOverlay, EditorAction, mapStateSelector } from "@store";
 
 import "./style.less";
+import classNames from "classnames";
 
 const { Panel } = Collapse;
 
@@ -14,12 +14,21 @@ export type OverlayListProps = {
 
 const OverlayList = (props: OverlayListProps) => {
   const { overlays } = props;
+  const dispatch = useDispatch();
+
+  const onClick = (id: string) => () =>
+    dispatch(EditorAction.selectOverlay(id));
+  const { selectedIds } = useSelector(mapStateSelector);
 
   return (
     <>
       {overlays.map((overlay, index) => {
+        const selected = selectedIds && selectedIds.indexOf(overlay.id) >= 0;
+        const className = classNames("overlay-item", {
+          "overlay-item-selected": selected,
+        });
         return (
-          <div key={index} className="overlay-item">
+          <div key={index} className={className} onClick={onClick(overlay.id)}>
             {overlay.name}
           </div>
         );
diff --git a/src/editor/Catalog/style.less b/src/editor/Catalog/style.less
index 2031058..fbdbc2d 100644
--- a/src/editor/Catalog/style.less
+++ b/src/editor/Catalog/style.less
@@ -10,7 +10,10 @@
 .overlay-item{
   margin-bottom: 4px;
   cursor: pointer;
-  &:hover, &[data-selected]{
-    background-color: #f7fafc;
+  &:hover{
+    background-color: #e5e6e7;
   }
+}
+.overlay-item-selected{
+  background-color: #e5e6e7;
 }
\ No newline at end of file
diff --git a/src/editor/Plot/Tools/index.tsx b/src/editor/Plot/Tools/index.tsx
index b2599f9..06ba310 100644
--- a/src/editor/Plot/Tools/index.tsx
+++ b/src/editor/Plot/Tools/index.tsx
@@ -1,7 +1,7 @@
 import { Tooltip } from "antd";
 import { useDispatch, useSelector } from "react-redux";
 import classnames from "classnames";
-import { editorAction, OverlayNamePrefixs, mapStateSelector } from "@store";
+import { EditorAction, OverlayNamePrefixs, mapStateSelector } from "@store";
 import { OverlayTypes } from "@types";
 
 type IconWithTipProps = {
@@ -43,7 +43,7 @@ const OverlayTool = (props: OverlayToolProps) => {
   const { overlayType } = useSelector(mapStateSelector);
   const selected = type === overlayType;
 
-  const onClick = () => dispatch(editorAction.createOverlay(type));
+  const onClick = () => dispatch(EditorAction.createOverlay(type));
   return <IconWithTip {...{ text, onClick, type, selected }} />;
 };
 
diff --git a/src/editor/Plot/index.tsx b/src/editor/Plot/index.tsx
index d454032..c7a5bb0 100644
--- a/src/editor/Plot/index.tsx
+++ b/src/editor/Plot/index.tsx
@@ -2,7 +2,7 @@ import { Layout } from "antd";
 import { useEffect, useRef, useState } from "react";
 import { useSelector, useDispatch } from "react-redux";
 import { MapEditor } from "@map";
-import { editorAction, IEditorState } from "@store";
+import { IEditorState } from "@store";
 
 import Tools from "./Tools";
 import { registerMapEventHooks } from "./mapHooks";
diff --git a/src/editor/Plot/mapHooks.ts b/src/editor/Plot/mapHooks.ts
index 1ff8113..1fed897 100644
--- a/src/editor/Plot/mapHooks.ts
+++ b/src/editor/Plot/mapHooks.ts
@@ -1,5 +1,5 @@
 import { Dispatch } from "react";
-import { editorAction, IEditorState } from "@store";
+import { EditorAction, IEditorState } from "@store";
 import { MapEditor } from "@map";
 import { EventTypes } from "../../types/enum";
 
@@ -7,6 +7,6 @@ import { EventTypes } from "../../types/enum";
 export function registerMapEventHooks(map: MapEditor, dispatch: Dispatch<any>) {
   //
   map.on(EventTypes.FinishCreateOverlay, (evt: any) =>
-    dispatch(editorAction.finishCreateOverlay(evt))
+    dispatch(EditorAction.finishCreateOverlay(evt))
   );
 }
diff --git a/src/map/constants.ts b/src/map/constants.ts
index ccd4df1..81bbab1 100644
--- a/src/map/constants.ts
+++ b/src/map/constants.ts
@@ -26,3 +26,7 @@ export const PolylineOptions: OverlayOptions = {
   draggable: false,
   bubble: true,
 };
+
+export const SelectedOptions: OverlayOptions = {
+  strokeColor: SelectedStroke,
+};
diff --git a/src/map/index.ts b/src/map/index.ts
index 5705ec6..0d429c8 100644
--- a/src/map/index.ts
+++ b/src/map/index.ts
@@ -13,9 +13,9 @@ import {
 } from "./editors";
 
 import { registerHotkey } from "../utils/hotkeys";
-import { PolygonOptions, PolylineOptions } from "./constants";
+import { PolygonOptions, PolylineOptions, SelectedOptions } from "./constants";
 
-import { EventTypes, OverlayTypes } from "../types/enum";
+import { Command, EventTypes, OverlayTypes } from "../types/enum";
 
 let uuid = 0;
 const getUuid = () => ++uuid;
@@ -26,11 +26,16 @@ type AMapOverlayEditor =
   | AMap.PolylineEditor
   | AMap.CircleEditor;
 
+type OverlayTemp = {
+  type: OverlayTypes;
+  target: AMap.MapOverlay;
+};
+
 export class MapEditor extends Emitter {
   dom: HTMLDivElement;
   private _map: AMap.Map | undefined;
   private overlayEditors: BaseOverlayEditor<AMapOverlayEditor>[] = [];
-  private overlayMap: Record<number, AMap.MapOverlay> = {};
+  private overlayMap: Record<string, OverlayTemp> = {};
   private _currentOverlayEditor:
     | BaseOverlayEditor<AMapOverlayEditor>
     | undefined;
@@ -63,23 +68,40 @@ export class MapEditor extends Emitter {
   }
 
   update(mapState: IMapState) {
-    const { status, overlayType } = mapState;
-    if (status === "createOverlay") {
-      this.finishCreateOverlay();
-      this._currentOverlayEditor = this.overlayEditors.find(
-        (editor) => editor.getType() === overlayType
-      );
-      this._currentOverlayEditor?.create();
+    const { command } = mapState;
+    switch (command) {
+      case Command.CreateOverlay:
+        this._createOverlay(mapState);
+        break;
+      case Command.SelectOverlay:
+        this._selectOverlays(mapState.selectedIds);
     }
   }
 
+  _createOverlay(mapState: IMapState) {
+    const { overlayType } = mapState;
+    this.finishCreateOverlay();
+    this._currentOverlayEditor = this.overlayEditors.find(
+      (editor) => editor.getType() === overlayType
+    );
+    this._currentOverlayEditor?.create();
+  }
+
+  _selectOverlays(ids?: string[]) {
+    if (!ids?.length) return;
+    ids.forEach((id) => {
+      const { target } = this.overlayMap[id];
+      target.setOptions(SelectedOptions);
+    });
+  }
+
   finishCreateOverlay() {
     if (this._currentOverlayEditor == null) return;
     const target = this._currentOverlayEditor.finish();
     if (target == null) return;
     const id = getUuid();
     const type = this._currentOverlayEditor.getType();
-    this.overlayMap[id] = target;
+    this.overlayMap[id] = { type, target };
     const evt: any = { id, type };
     if (type === OverlayTypes.Circle) {
       const circle = target as AMap.Circle;
diff --git a/src/store/actions.ts b/src/store/actions.ts
index f1e948e..1195b49 100644
--- a/src/store/actions.ts
+++ b/src/store/actions.ts
@@ -4,28 +4,33 @@ export enum ActionTypes {
   // AddRect = "addRect",
   CreateOverlay = "createOverlay",
   FinishCreateOverlay = "finishCreateOverlay",
+  SelectOverlay = "selectOverlay",
 }
 
 export type CreatedOverlay = {
   id: string;
   type: OverlayTypes;
 };
-export class EditorAction {
-  // addRect() {
-  //   return {
-  //     type: ActionTypes.AddRect,
-  //   };
-  // }
+
+type ActionCreator = (payload: any) => { type: ActionTypes; payload: any };
+
+export const EditorAction: Record<ActionTypes, ActionCreator> = {
   createOverlay(type: OverlayTypes) {
     return {
       type: ActionTypes.CreateOverlay,
       payload: type,
     };
-  }
+  },
   finishCreateOverlay(overlay: any) {
     return {
       type: ActionTypes.FinishCreateOverlay,
       payload: overlay as CreatedOverlay,
     };
-  }
-}
+  },
+  selectOverlay(id: string) {
+    return {
+      type: ActionTypes.SelectOverlay,
+      payload: id,
+    };
+  },
+};
diff --git a/src/store/index.ts b/src/store/index.ts
index 5a16286..98f58b8 100644
--- a/src/store/index.ts
+++ b/src/store/index.ts
@@ -15,7 +15,7 @@ const store: IStore = createStore(reducer);
 
 export { store };
 
-export const editorAction = new EditorAction();
+export { EditorAction };
 
 export const StoreContext = createContext<IStore | null>(
   null
diff --git a/src/store/initState.ts b/src/store/initState.ts
index cfde017..2552d65 100644
--- a/src/store/initState.ts
+++ b/src/store/initState.ts
@@ -2,7 +2,8 @@ import { IEditorState } from "./type";
 
 export const initState: IEditorState = {
   map: {
-    status: "",
+    status: null,
+    command: null,
     overlayType: null,
     polygons: [],
     polylines: [],
diff --git a/src/store/reducers/index.ts b/src/store/reducers/index.ts
index 1d236cf..d9c3543 100644
--- a/src/store/reducers/index.ts
+++ b/src/store/reducers/index.ts
@@ -1,6 +1,6 @@
 import { initState } from "../initState";
 import { ActionTypes } from "../actions";
-import { createOverlay, finishCreateOverlay } from "./map";
+import { createOverlay, finishCreateOverlay, selectOverlay } from "./map";
 import { IEditorState } from "@store";
 
 export type Action = {
@@ -13,6 +13,7 @@ type ActionReducer = (state: IEditorState, payload: any) => IEditorState;
 const actionReducers: Record<ActionTypes, ActionReducer> = {
   [ActionTypes.CreateOverlay]: createOverlay,
   [ActionTypes.FinishCreateOverlay]: finishCreateOverlay,
+  [ActionTypes.SelectOverlay]: selectOverlay,
   // addRect: undefined
 };
 
diff --git a/src/store/reducers/map/index.ts b/src/store/reducers/map/index.ts
index c7d511c..53ef093 100644
--- a/src/store/reducers/map/index.ts
+++ b/src/store/reducers/map/index.ts
@@ -1,11 +1,12 @@
 import produce from "immer";
 import { initState } from "../../initState";
 import { IOverlay, OverlayNamePrefixs } from "@store";
-import { OverlayTypes } from "@types";
+import { OverlayTypes, Status, Command } from "@types";
 
 export function createOverlay(state = initState, payload: any) {
   return produce(state, (draft) => {
-    draft.map.status = "createOverlay";
+    draft.map.status = Status.CreateOverlay;
+    draft.map.command = Command.CreateOverlay;
     draft.map.overlayType = payload as OverlayTypes;
   });
 }
@@ -16,7 +17,8 @@ export function finishCreateOverlay(state = initState, payload: any) {
     const { type } = overlay;
     // todo: uniqueName.
     overlay.name = OverlayNamePrefixs[type] + overlay.id;
-    draft.map.status = "";
+    draft.map.status = null;
+    draft.map.command = null;
     draft.map.overlayType = null;
     (type === OverlayTypes.Rectangle
       ? draft.map.rectangles
@@ -28,3 +30,12 @@ export function finishCreateOverlay(state = initState, payload: any) {
     ).push(overlay);
   });
 }
+
+export function selectOverlay(state = initState, payload: any) {
+  const id = payload as string;
+  return produce(state, (draft) => {
+    draft.map.command = Command.SelectOverlay;
+    draft.map.selectedIds = [id];
+    draft.map.status = null;
+  });
+}
diff --git a/src/store/type.ts b/src/store/type.ts
index d5ff051..fe4dbca 100644
--- a/src/store/type.ts
+++ b/src/store/type.ts
@@ -1,4 +1,4 @@
-import { OverlayTypes } from "@types";
+import { OverlayTypes, Status, Command } from "@types";
 
 export interface IOverlay {
   id: string;
@@ -8,14 +8,15 @@ export interface IOverlay {
   paths?: number[][];
   radius?: number;
 }
-
 export interface IMapState {
-  status: string;
+  status: Status | null;
+  command: Command | null;
   overlayType: OverlayTypes | null;
   polygons: IOverlay[];
   polylines: IOverlay[];
   circles: IOverlay[];
   rectangles: IOverlay[];
+  selectedIds?: string[];
 }
 
 export interface IEditorState {
diff --git a/src/types/enum.ts b/src/types/enum.ts
index 75b3e5a..3ac0f55 100644
--- a/src/types/enum.ts
+++ b/src/types/enum.ts
@@ -8,3 +8,16 @@ export enum OverlayTypes {
   Polyline = "polyline",
   Circle = "circle",
 }
+
+// 操作指令集
+export enum Command {
+  CreateOverlay = "createOveraly",
+  SelectOverlay = "selectOverlay",
+}
+
+// 地图状态.
+export enum Status {
+  CreateOverlay = "createOverlay",
+  Searching = "searching",
+  Selecting = "selecing",
+}