diff --git a/packages/demo/build.json b/packages/demo/build.json
index 376c27c63..a6719240e 100644
--- a/packages/demo/build.json
+++ b/packages/demo/build.json
@@ -1,6 +1,5 @@
 {
   "entry": {
-    "index": "src/vision/index.ts",
     "vision-preset": "../vision-preset/src/index.ts",
     "react-simulator-renderer": "../react-simulator-renderer/src/index.ts"
   },
diff --git a/packages/designer/src/builtin-simulator/host.ts b/packages/designer/src/builtin-simulator/host.ts
index e90056a67..82e779759 100644
--- a/packages/designer/src/builtin-simulator/host.ts
+++ b/packages/designer/src/builtin-simulator/host.ts
@@ -1,4 +1,4 @@
-import { obx, autorun, computed, getPublicPath, hotkey } from '@ali/lowcode-editor-core';
+import { obx, autorun, computed, getPublicPath, hotkey, focusTracker } from '@ali/lowcode-editor-core';
 import { ISimulatorHost, Component, NodeInstance, ComponentInstance } from '../simulator';
 import Viewport from './viewport';
 import { createSimulator } from './create-simulator';
@@ -214,6 +214,7 @@ export class BuiltinSimulatorHost implements ISimulatorHost<BuiltinSimulatorProp
 
     // bind hotkey & clipboard
     hotkey.mount(this._contentWindow);
+    focusTracker.mount(this._contentWindow);
     clipboard.injectCopyPaster(this._contentDocument);
     // TODO: dispose the bindings
   }
diff --git a/packages/editor-core/src/utils/focus-tracker.ts b/packages/editor-core/src/utils/focus-tracker.ts
new file mode 100644
index 000000000..b6128a5f7
--- /dev/null
+++ b/packages/editor-core/src/utils/focus-tracker.ts
@@ -0,0 +1,138 @@
+export class FocusTracker {
+  mount(win: Window) {
+    const checkDown = (e: MouseEvent) => {
+      if (this.checkModalDown(e)) {
+        return;
+      }
+      if (this.first && !this.first.internalCheckInRange(e)) {
+        this.internalSuspenseItem(this.first);
+        this.first.internalTriggerBlur();
+      }
+    };
+    win.document.addEventListener('mousedown', checkDown, true);
+    return () => {
+      win.document.removeEventListener('mousedown', checkDown, true);
+    };
+  }
+  private actives: Focusable[] = [];
+  get first() {
+    return this.actives[0];
+  }
+  private modals: Array<{ checkDown: (e: MouseEvent) => boolean; checkOpen: () => boolean }> = [];
+  addModal(checkDown: (e: MouseEvent) => boolean, checkOpen: () => boolean) {
+    this.modals.push({
+      checkDown,
+      checkOpen,
+    });
+  }
+  private checkModalOpen(): boolean {
+    return this.modals.some(item => item.checkOpen());
+  }
+  private checkModalDown(e: MouseEvent): boolean {
+    return this.modals.some(item => item.checkDown(e));
+  }
+  execSave() {
+    // has Modal return;
+    if (this.checkModalOpen()) {
+      return;
+    }
+    // catch
+    if (this.first) {
+      this.first.internalTriggerSave();
+    }
+  }
+  execEsc() {
+    if (this.first) {
+      this.internalSuspenseItem(this.first);
+      this.first.internalTriggerEsc();
+    }
+  }
+  create(config: FocusableConfig) {
+    return new Focusable(this, config);
+  }
+  internalActiveItem(item: Focusable) {
+    const first = this.actives[0];
+    if (first === item) {
+      return;
+    }
+    const i = this.actives.indexOf(item);
+    if (i > -1) {
+      this.actives.splice(i, 1);
+    }
+    this.actives.unshift(item);
+    if (!item.isModal && first) {
+      // trigger Blur
+      first.internalTriggerBlur();
+    }
+    // trigger onActive
+    item.internalTriggerActive();
+  }
+  internalSuspenseItem(item: Focusable) {
+    const i = this.actives.indexOf(item);
+    if (i > -1) {
+      this.actives.splice(i, 1);
+      this.first?.internalTriggerActive();
+    }
+  }
+}
+
+export interface FocusableConfig {
+  range: HTMLElement | ((e: MouseEvent) => boolean);
+  modal?: boolean; // 模态窗口级别
+  onEsc?: () => void;
+  onBlur?: () => void;
+  onSave?: () => void;
+  onActive?: () => void;
+}
+
+export class Focusable {
+  readonly isModal: boolean;
+  constructor(private tracker: FocusTracker, private config: FocusableConfig) {
+    this.isModal = config.modal == null ? false : config.modal;
+  }
+  active() {
+    this.tracker.internalActiveItem(this);
+  }
+  suspense() {
+    this.tracker.internalSuspenseItem(this);
+  }
+  purge() {
+    this.tracker.internalSuspenseItem(this);
+  }
+  internalCheckInRange(e: MouseEvent) {
+    const { range } = this.config;
+    if (!range) {
+      return false;
+    }
+    if (typeof range === 'function') {
+      return range(e);
+    }
+    return range.contains(e.target as HTMLElement);
+  }
+  internalTriggerBlur() {
+    if (this.config.onBlur) {
+      this.config.onBlur();
+    }
+  }
+  internalTriggerSave() {
+    if (this.config.onSave) {
+      this.config.onSave();
+      return true;
+    }
+    return false;
+  }
+  internalTriggerEsc() {
+    if (this.config.onEsc) {
+      this.config.onEsc();
+    }
+  }
+  internalTriggerActive() {
+    if (this.config.onActive) {
+      this.config.onActive();
+    }
+  }
+}
+
+export const focusTracker = new FocusTracker();
+
+focusTracker.mount(window);
diff --git a/packages/editor-core/src/utils/focusing-track.ts b/packages/editor-core/src/utils/focusing-track.ts
deleted file mode 100644
index 3e04d0000..000000000
--- a/packages/editor-core/src/utils/focusing-track.ts
+++ /dev/null
@@ -1,95 +0,0 @@
-import { hotkey } from '../hotkey';
-
-class FocusingManager {
-  deploy() {
-    // in
-    hotkey.bind('esc', () => {
-      // do esc
-    });
-    hotkey.bind(['command + s', 'ctrl + s'], () => {
-      // do save
-      // do esc
-    });
-  }
-  private actives: Focusable[] = [];
-  send(e: MouseEvent) {
-    // if keyborad event check is esc or
-  }
-  addModalCheck(check) {
-
-  }
-  create(config: FocusableConfig) {
-
-  }
-  internalActiveItem(item: Focusable) {
-    const first = this.actives[0];
-    if (first === item) {
-      return;
-    }
-    const i = this.actives.indexOf(item);
-    if (i > -1) {
-      this.actives.splice(i, 1);
-    }
-    this.actives.unshift(item);
-    if (!item.isModal && first) {
-      // trigger Blur
-      first.internalTriggerBlur();
-    }
-    // trigger onActive
-  }
-  internalSuspenceItem(item: Focusable) {
-    const i = this.actives.indexOf(item);
-    if (i > -1) {
-      this.actives.splice(i, 1);
-    }
-  }
-}
-
-export interface FocusableConfig {
-  range: HTMLElement | ((e: MouseEvent) => boolean);
-  modal?: boolean;
-  onEsc?: () => void;
-  onBlur?: () => void;
-  onSave?: () => void;
-}
-
-class Focusable {
-  readonly isModal: boolean;
-  constructor(private manager: FocusingManager, private config: FocusableConfig) {
-    this.isModal = config.modal == null ? false : config.modal;
-  }
-  active() {
-    this.manager.internalActiveItem(this);
-  }
-  suspence() {
-    this.manager.internalSuspenceItem(this);
-  }
-  purge() {
-    this.manager.internalSuspenceItem(this);
-  }
-  internalCheckInRange(e: MouseEvent) {
-    const { range } = this.config;
-    if (!range) {
-      return false;
-    }
-    if (typeof range === 'function') {
-      return range(e);
-    }
-    return range.contains(e.target as HTMLElement);
-  }
-  internalTriggerBlur() {
-    if (this.config.onBlur) {
-      this.config.onBlur();
-    }
-  }
-  internalTriggerSave() {
-    if (this.config.onSave) {
-      this.config.onSave();
-    }
-  }
-  internalTriggerEsc() {
-    if (this.config.onEsc) {
-      this.config.onEsc();
-    }
-  }
-}
diff --git a/packages/editor-core/src/utils/index.ts b/packages/editor-core/src/utils/index.ts
index 8e2f1ccfa..6a4ef399a 100644
--- a/packages/editor-core/src/utils/index.ts
+++ b/packages/editor-core/src/utils/index.ts
@@ -2,3 +2,4 @@ export * from './get-public-path';
 export * from './goldlog';
 export * from './obx';
 export * from './request';
+export * from './focus-tracker';
diff --git a/packages/editor-skeleton/src/layouts/left-float-pane.tsx b/packages/editor-skeleton/src/layouts/left-float-pane.tsx
index 62c1bc3d5..c28d7af91 100644
--- a/packages/editor-skeleton/src/layouts/left-float-pane.tsx
+++ b/packages/editor-skeleton/src/layouts/left-float-pane.tsx
@@ -1,6 +1,6 @@
 import { Component, Fragment } from 'react';
 import classNames from 'classnames';
-import { observer } from '@ali/lowcode-editor-core';
+import { observer, Focusable, focusTracker } from '@ali/lowcode-editor-core';
 import { Button, Icon } from '@alifd/next';
 import Area from '../area';
 import Panel from '../widget/panel';
@@ -12,7 +12,7 @@ export default class LeftFloatPane extends Component<{ area: Area<any, Panel> }>
   }
 
   private dispose?: () => void;
-  // private focusing?: FocusingItem;
+  private focusing?: Focusable;
   private shell: HTMLElement | null = null;
   componentDidMount() {
     const { area } = this.props;
@@ -22,30 +22,26 @@ export default class LeftFloatPane extends Component<{ area: Area<any, Panel> }>
       area.skeleton.editor.removeListener('designer.dragstart', triggerClose);
     }
 
-    /*
-    this.focusing = focusingTrack.create(this.shell!, {
+    this.focusing = focusTracker.create({
+      range: this.shell!,
       onEsc: () => {
         this.props.area.setVisible(false);
       },
       onBlur: () => {
         this.props.area.setVisible(false);
       },
-      // modal: boolean
     });
-    */
 
     this.onEffect();
   }
 
   onEffect() {
-    /*
     const { area } = this.props;
     if (area.visible) {
       this.focusing?.active();
     } else {
       this.focusing?.suspense();
     }
-    */
   }
 
   componentDidUpdate() {
@@ -53,7 +49,7 @@ export default class LeftFloatPane extends Component<{ area: Area<any, Panel> }>
   }
 
   componentWillUnmount() {
-    // this.focusing?.purge();
+    this.focusing?.purge();
     this.dispose?.();
   }
 
diff --git a/packages/utils/src/is-plain-object.ts b/packages/utils/src/is-plain-object.ts
index 59260d6cb..17bc6266f 100644
--- a/packages/utils/src/is-plain-object.ts
+++ b/packages/utils/src/is-plain-object.ts
@@ -1,6 +1,6 @@
 import { isObject } from './is-object';
 
-export function isPlainObject(value: any): value is object {
+export function isPlainObject(value: any): value is any {
   if (!isObject(value)) {
     return false;
   }