diff --git a/changelogs/.history b/changelogs/.history
index 8170ca3..5054717 100644
--- a/changelogs/.history
+++ b/changelogs/.history
@@ -1,3 +1,4 @@
+2.0.3
 2.0.2
 2.0.1
 1.0.2
diff --git a/changelogs/CHANGELOG.en.md b/changelogs/CHANGELOG.en.md
index 52a2b30..78e5661 100644
--- a/changelogs/CHANGELOG.en.md
+++ b/changelogs/CHANGELOG.en.md
@@ -1,3 +1,7 @@
+## 🎉 2.0.3 `2024-06-20`
+### 🐛 Fix
+- Remove useless variables and introduce ([#d78774a](https://github.com/kwooshung/React-Themes/commit/d78774a92f3df22ff48a69ebdb02ba1f01611f82))
+
 ## 🎉 2.0.2 `2024-06-20`
 ### ✨ Feature
 - Increase cookie settings ([#1b058ea](https://github.com/kwooshung/React-Themes/commit/1b058ea0ccc2416512a0348da7a444654fd45636))
diff --git a/changelogs/CHANGELOG.ja.md b/changelogs/CHANGELOG.ja.md
index 4c37fa3..19d586e 100644
--- a/changelogs/CHANGELOG.ja.md
+++ b/changelogs/CHANGELOG.ja.md
@@ -1,3 +1,7 @@
+## 🎉 2.0.3 `2024-06-20`
+### 🐛 Fix
+- 役に立たない変数を削除して紹介します ([#d78774a](https://github.com/kwooshung/React-Themes/commit/d78774a92f3df22ff48a69ebdb02ba1f01611f82))
+
 ## 🎉 2.0.2 `2024-06-20`
 ### ✨ Feature
 - Cookie設定を増やします ([#1b058ea](https://github.com/kwooshung/React-Themes/commit/1b058ea0ccc2416512a0348da7a444654fd45636))
diff --git a/changelogs/CHANGELOG.ko.md b/changelogs/CHANGELOG.ko.md
index 1ec3365..2e714cc 100644
--- a/changelogs/CHANGELOG.ko.md
+++ b/changelogs/CHANGELOG.ko.md
@@ -1,3 +1,7 @@
+## 🎉 2.0.3 `2024-06-20`
+### 🐛 Fix
+- 쓸모없는 변수를 제거하고 소개합니다 ([#d78774a](https://github.com/kwooshung/React-Themes/commit/d78774a92f3df22ff48a69ebdb02ba1f01611f82))
+
 ## 🎉 2.0.2 `2024-06-20`
 ### ✨ Feature
 - 쿠키 설정을 늘리십시오 ([#1b058ea](https://github.com/kwooshung/React-Themes/commit/1b058ea0ccc2416512a0348da7a444654fd45636))
diff --git a/changelogs/CHANGELOG.ru.md b/changelogs/CHANGELOG.ru.md
index 3c349d4..732c132 100644
--- a/changelogs/CHANGELOG.ru.md
+++ b/changelogs/CHANGELOG.ru.md
@@ -1,3 +1,7 @@
+## 🎉 2.0.3 `2024-06-20`
+### 🐛 Fix
+- Удалить бесполезные переменные и ввести ([#d78774a](https://github.com/kwooshung/React-Themes/commit/d78774a92f3df22ff48a69ebdb02ba1f01611f82))
+
 ## 🎉 2.0.2 `2024-06-20`
 ### ✨ Feature
 - Увеличьте настройки cookie ([#1b058ea](https://github.com/kwooshung/React-Themes/commit/1b058ea0ccc2416512a0348da7a444654fd45636))
diff --git a/changelogs/CHANGELOG.zh-cn.md b/changelogs/CHANGELOG.zh-cn.md
index ecb8db5..77a30dd 100644
--- a/changelogs/CHANGELOG.zh-cn.md
+++ b/changelogs/CHANGELOG.zh-cn.md
@@ -1,3 +1,7 @@
+## 🎉 2.0.3 `2024-06-20`
+### 🐛 Fix
+- 删除无用的变量并介绍 ([#d78774a](https://github.com/kwooshung/React-Themes/commit/d78774a92f3df22ff48a69ebdb02ba1f01611f82))
+
 ## 🎉 2.0.2 `2024-06-20`
 ### ✨ Feature
 - 增加饼干设置 ([#1b058ea](https://github.com/kwooshung/React-Themes/commit/1b058ea0ccc2416512a0348da7a444654fd45636))
diff --git a/changelogs/CHANGELOG.zh-tw.md b/changelogs/CHANGELOG.zh-tw.md
index cbab484..aa3b570 100644
--- a/changelogs/CHANGELOG.zh-tw.md
+++ b/changelogs/CHANGELOG.zh-tw.md
@@ -1,3 +1,7 @@
+## 🎉 2.0.3 `2024-06-20`
+### 🐛 Fix
+- 刪除無用的變量並介紹 ([#d78774a](https://github.com/kwooshung/React-Themes/commit/d78774a92f3df22ff48a69ebdb02ba1f01611f82))
+
 ## 🎉 2.0.2 `2024-06-20`
 ### ✨ Feature
 - 增加餅乾設置 ([#1b058ea](https://github.com/kwooshung/React-Themes/commit/1b058ea0ccc2416512a0348da7a444654fd45636))
diff --git a/package.json b/package.json
index 38acb0d..025034f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@kwooshung/react-themes",
-  "version": "2.0.2",
+  "version": "2.0.3",
   "title": "react-themes",
   "description": "It is more convenient to use svg as React theme, which has strong operability and high degree of freedom.",
   "private": false,
diff --git a/src/themes/themesProvider.test.tsx b/src/themes/themesProvider.test.tsx
index 5408007..6ae3e6b 100644
--- a/src/themes/themesProvider.test.tsx
+++ b/src/themes/themesProvider.test.tsx
@@ -75,7 +75,7 @@ describe('ThemesProvider', () => {
   });
 
   it('调用 setCookie 时传递正确参数', () => {
-    const mockSetTheme = vi.fn((value, name) => {
+    const mockSetTheme = vi.fn((_value, name) => {
       document.cookie = `theme=${name}; path=/;`;
     });
 
diff --git a/src/themes/themesProvider.tsx b/src/themes/themesProvider.tsx
index 60e5430..f4b2eab 100644
--- a/src/themes/themesProvider.tsx
+++ b/src/themes/themesProvider.tsx
@@ -1,4 +1,4 @@
-import React, { FC, ReactNode, useEffect } from 'react';
+import { FC, ReactNode } from 'react';
 import { useThemes } from 'lomind-react';
 import ThemesContext from './themesContext';
 import { IThemesProviderProps } from './interfaces';
@@ -24,7 +24,7 @@ const setCookie = (name: string, value: string, seconds: number) => {
  * @return {ReactNode} React节点
  */
 const ThemesProvider: FC<IThemesProviderProps> = ({ def, list, saveKey, saveExpired, children }: IThemesProviderProps): ReactNode => {
-  const [value, name, { setTheme, addThemes, getThemeValue, getThemeName, getThemesAvailable }] = useThemes(def, list, (value: string, name: string) => {
+  const [value, name, { setTheme, addThemes, getThemeValue, getThemeName, getThemesAvailable }] = useThemes(def, list, (_value: string, name: string) => {
     saveKey && setCookie(saveKey, name, saveExpired || 365 * 24 * 60 * 60);
   });