diff --git a/packages/ui-store/package.json b/packages/ui-store/package.json
index 740999e..1db7a05 100644
--- a/packages/ui-store/package.json
+++ b/packages/ui-store/package.json
@@ -17,10 +17,9 @@
   "version": "0.6.1-1",
   "main": "index.js",
   "dependencies": {
-    "store": "^2.0.12"
+    "eventemitter3": "^5.0.0"
   },
   "devDependencies": {
-    "@types/chrome": "^0.0.203",
-    "@types/store": "^2.0.2"
+    "@types/chrome": "^0.0.203"
   }
 }
diff --git a/packages/ui-store/src/BaseStore.ts b/packages/ui-store/src/BaseStore.ts
index 47a64a6..b75e7d8 100644
--- a/packages/ui-store/src/BaseStore.ts
+++ b/packages/ui-store/src/BaseStore.ts
@@ -1,7 +1,9 @@
 // Copyright 2021-2022 zcloak authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
-export abstract class BaseStore {
+import { Events } from './event/Event';
+
+export abstract class BaseStore extends Events {
   abstract all(fn: (key: string, value: unknown) => void): void;
   abstract get(key: string, fn: (value: unknown) => void): void;
   abstract set(key: string, value: unknown, fn?: () => void): void;
diff --git a/packages/ui-store/src/BrowserSession.ts b/packages/ui-store/src/BrowserSession.ts
index 0b36621..4c546ac 100644
--- a/packages/ui-store/src/BrowserSession.ts
+++ b/packages/ui-store/src/BrowserSession.ts
@@ -1,28 +1,36 @@
 // Copyright 2021-2022 zcloak authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
-import storage from 'store/storages/sessionStorage';
-
+import { SessionStorage } from './store/SessionStorage';
 import { BaseStore } from './BaseStore';
 
 export class BrowserSession extends BaseStore {
+  #session: SessionStorage;
+
+  constructor() {
+    super();
+    this.#session = new SessionStorage();
+  }
+
   public all(fn: (key: string, value: unknown) => void): void {
-    storage.each((value: unknown, key: string): void => {
+    this.#session.each((key: string, value: unknown): void => {
       fn(key, value);
     });
   }
 
   public get(key: string, fn: (value: unknown) => void): void {
-    fn(storage.read(key) as unknown);
+    fn(this.#session.get(key) as unknown);
   }
 
   public remove(key: string, fn?: () => void): void {
-    storage.remove(key);
+    this.#session.remove(key);
     fn && fn();
+    this.emit('store_changed', key);
   }
 
   public set(key: string, value: unknown, fn?: () => void): void {
-    storage.write(key, value as string);
+    this.#session.set(key, value as string);
     fn && fn();
+    this.emit('store_changed', key, value);
   }
 }
diff --git a/packages/ui-store/src/BrowserStore.ts b/packages/ui-store/src/BrowserStore.ts
index 69eb688..d52a5c2 100644
--- a/packages/ui-store/src/BrowserStore.ts
+++ b/packages/ui-store/src/BrowserStore.ts
@@ -1,28 +1,40 @@
 // Copyright 2021-2022 zcloak authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
-import store from 'store';
-
+import { LocalStorage } from './store/LocalStorage';
 import { BaseStore } from './BaseStore';
 
 export class BrowserStore extends BaseStore {
+  #store: LocalStorage;
+
+  constructor() {
+    super();
+    this.#store = new LocalStorage();
+
+    window.addEventListener('storage', (event) => {
+      event.key && this.emit('store_changed', event.key, event.newValue);
+    });
+  }
+
   public all(fn: (key: string, value: unknown) => void): void {
-    store.each((value: unknown, key: string): void => {
+    this.#store.each((key: string, value: unknown): void => {
       fn(key, value);
     });
   }
 
   public get(key: string, fn: (value: unknown) => void): void {
-    fn(store.get(key) as unknown);
+    fn(this.#store.get(key) as unknown);
   }
 
   public remove(key: string, fn?: () => void): void {
-    store.remove(key);
+    this.#store.remove(key);
     fn && fn();
+    this.emit('store_changed', key);
   }
 
   public set(key: string, value: unknown, fn?: () => void): void {
-    store.set(key, value);
+    this.#store.set(key, value);
     fn && fn();
+    this.emit('store_changed', key, value);
   }
 }
diff --git a/packages/ui-store/src/ExtensionSession.ts b/packages/ui-store/src/ExtensionSession.ts
index 4a22dfd..70246e7 100644
--- a/packages/ui-store/src/ExtensionSession.ts
+++ b/packages/ui-store/src/ExtensionSession.ts
@@ -6,6 +6,18 @@ import { BaseStore } from './BaseStore';
 const session = chrome.storage.session;
 
 export class ExtensionSession extends BaseStore {
+  constructor() {
+    super();
+
+    chrome.storage.onChanged.addListener((event, namespace) => {
+      if (namespace === 'session') {
+        const key = Object.keys(event)[0];
+
+        this.emit('store_changed', key, event[key]?.newValue);
+      }
+    });
+  }
+
   public all(fn: (key: string, value: string) => void) {
     session.get(null, (items) => {
       for (const key in items) {
diff --git a/packages/ui-store/src/ExtensionStore.ts b/packages/ui-store/src/ExtensionStore.ts
index 7fa061e..d5d7bc9 100644
--- a/packages/ui-store/src/ExtensionStore.ts
+++ b/packages/ui-store/src/ExtensionStore.ts
@@ -6,6 +6,18 @@ import { BaseStore } from './BaseStore';
 const storage = chrome.storage.local;
 
 export class ExtensionStore extends BaseStore {
+  constructor() {
+    super();
+
+    chrome.storage.onChanged.addListener((event, namespace) => {
+      if (namespace === 'local') {
+        const key = Object.keys(event)[0];
+
+        this.emit('store_changed', key, event[key]?.newValue);
+      }
+    });
+  }
+
   public all(fn: (key: string, value: string) => void) {
     storage.get(null, (items) => {
       for (const key in items) {
diff --git a/packages/ui-store/src/event/Event.ts b/packages/ui-store/src/event/Event.ts
new file mode 100644
index 0000000..6883cad
--- /dev/null
+++ b/packages/ui-store/src/event/Event.ts
@@ -0,0 +1,32 @@
+// Copyright 2021-2022 zcloak authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import { EventEmitter } from 'eventemitter3';
+
+import { StorageEvent } from './types';
+
+export abstract class Events {
+  #eventemitter = new EventEmitter();
+
+  protected emit(type: StorageEvent, key: string, value?: unknown): boolean {
+    return this.#eventemitter.emit(type, key, value);
+  }
+
+  public on(type: StorageEvent, handler: (key: string, value?: unknown) => any): this {
+    this.#eventemitter.on(type, handler);
+
+    return this;
+  }
+
+  public off(type: StorageEvent, handler: (key: string, value?: unknown) => any): this {
+    this.#eventemitter.removeListener(type, handler);
+
+    return this;
+  }
+
+  public once(type: StorageEvent, handler: (key: string, value?: unknown) => any): this {
+    this.#eventemitter.once(type, handler);
+
+    return this;
+  }
+}
diff --git a/packages/ui-store/src/event/types.ts b/packages/ui-store/src/event/types.ts
new file mode 100644
index 0000000..bde83f5
--- /dev/null
+++ b/packages/ui-store/src/event/types.ts
@@ -0,0 +1,4 @@
+// Copyright 2021-2022 zcloak authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+export type StorageEvent = 'store_changed';
diff --git a/packages/ui-store/src/store/LocalStorage.ts b/packages/ui-store/src/store/LocalStorage.ts
new file mode 100644
index 0000000..604b618
--- /dev/null
+++ b/packages/ui-store/src/store/LocalStorage.ts
@@ -0,0 +1,32 @@
+// Copyright 2021-2022 zcloak authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import { deserialize, serialize } from './utils';
+
+export class LocalStorage {
+  get(key: string | null) {
+    if (!key) return undefined;
+
+    const val = localStorage.getItem(key);
+
+    return deserialize(val);
+  }
+
+  set(key: string, value: unknown) {
+    const val = serialize(value);
+
+    localStorage.setItem(key, val);
+  }
+
+  remove(key: string) {
+    localStorage.removeItem(key);
+  }
+
+  each(fn: (key: string, val: unknown) => void) {
+    for (let i = localStorage.length - 1; i >= 0; i--) {
+      const key = localStorage.key(i);
+
+      if (key) fn(key, this.get(key));
+    }
+  }
+}
diff --git a/packages/ui-store/src/store/SessionStorage.ts b/packages/ui-store/src/store/SessionStorage.ts
new file mode 100644
index 0000000..9b64221
--- /dev/null
+++ b/packages/ui-store/src/store/SessionStorage.ts
@@ -0,0 +1,32 @@
+// Copyright 2021-2022 zcloak authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import { deserialize, serialize } from './utils';
+
+export class SessionStorage {
+  get(key: string | null) {
+    if (!key) return undefined;
+
+    const val = sessionStorage.getItem(key);
+
+    return deserialize(val);
+  }
+
+  set(key: string, value: unknown) {
+    const val = serialize(value);
+
+    sessionStorage.setItem(key, val);
+  }
+
+  remove(key: string) {
+    sessionStorage.removeItem(key);
+  }
+
+  each(fn: (key: string, val: unknown) => void) {
+    for (let i = sessionStorage.length - 1; i >= 0; i--) {
+      const key = sessionStorage.key(i);
+
+      if (key) fn(key, this.get(key));
+    }
+  }
+}
diff --git a/packages/ui-store/src/store/utils.ts b/packages/ui-store/src/store/utils.ts
new file mode 100644
index 0000000..46cb924
--- /dev/null
+++ b/packages/ui-store/src/store/utils.ts
@@ -0,0 +1,20 @@
+// Copyright 2021-2022 zcloak authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+export function serialize(obj: unknown) {
+  return JSON.stringify(obj);
+}
+
+export function deserialize(strVal: string | null) {
+  if (!strVal) return undefined;
+
+  let val: any;
+
+  try {
+    val = JSON.parse(strVal);
+  } catch (e) {
+    val = strVal;
+  }
+
+  return val;
+}
diff --git a/yarn.lock b/yarn.lock
index a7aa45c..e2b6768 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3609,13 +3609,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/store@npm:^2.0.2":
-  version: 2.0.2
-  resolution: "@types/store@npm:2.0.2"
-  checksum: aa548e117f9a1e2b1ff0263f3261ad7066b885ed32c05019832e4cbf91bf09f5f5891cccfb4e001a6cdc87d306b1d6376b20bdf8976dfced38b18db3c9c6fef3
-  languageName: node
-  linkType: hard
-
 "@types/tough-cookie@npm:*":
   version: 4.0.2
   resolution: "@types/tough-cookie@npm:4.0.2"
@@ -4549,8 +4542,7 @@ __metadata:
   resolution: "@zcloak/ui-store@workspace:packages/ui-store"
   dependencies:
     "@types/chrome": ^0.0.203
-    "@types/store": ^2.0.2
-    store: ^2.0.12
+    eventemitter3: ^5.0.0
   languageName: unknown
   linkType: soft
 
@@ -15349,13 +15341,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"store@npm:^2.0.12":
-  version: 2.0.12
-  resolution: "store@npm:2.0.12"
-  checksum: 4e0fe69f71dc3c99af1b87e87dcb0c81fc979bd38abbcdf66d5705f1c44e6fd5e043056288efd695926c75419adc356873e6792d9b024085a8db51dbdda899ea
-  languageName: node
-  linkType: hard
-
 "stream-browserify@npm:^3.0.0":
   version: 3.0.0
   resolution: "stream-browserify@npm:3.0.0"