diff --git a/docs/docs/docs/max/i18n.en-US.md b/docs/docs/docs/max/i18n.en-US.md
index 979082ac6a6c..8b857ae8d743 100644
--- a/docs/docs/docs/max/i18n.en-US.md
+++ b/docs/docs/docs/max/i18n.en-US.md
@@ -414,6 +414,7 @@ export default {
     default: 'zh-CN',
     title: false,
     useLocalStorage: true,
+    localStorageKey: 'umi_locale',
   },
 };
 ```
@@ -428,6 +429,7 @@ The detailed introduction to the configuration is as follows:
 | `default` | `String` | `zh-CN` | **Default language** of the project. When a specific language is not detected, use the default language set by `default`. |
 | `title` | `Boolean` | `false` | Enable [**title internationalization**](#title-internationalization). |
 | `useLocalStorage` | `Boolean` | `true` | Automatically using `localStorage` to save the currently used language. |
+| `localStorageKey` | `String` | `umi_locale` | Customize the key for saving language in `localStorage` |
 
 ### Title Internationalization
 
diff --git a/docs/docs/docs/max/i18n.md b/docs/docs/docs/max/i18n.md
index 59ce33439601..157a712c628a 100644
--- a/docs/docs/docs/max/i18n.md
+++ b/docs/docs/docs/max/i18n.md
@@ -413,6 +413,7 @@ export default {
     default: 'zh-CN',
     title: false,
     useLocalStorage: true,
+    localStorageKey: 'umi_locale',
   },
 };
 ```
@@ -427,6 +428,7 @@ export default {
 | `default` | `String` | `zh-CN` | 项目**默认语言**。当检测不到具体语言时，使用 `default` 设置的默认语言。 |
 | `title` | `Boolean` | `false` | 开启[**标题国际化**](#标题国际化)。 |
 | `useLocalStorage` | `Boolean` | `true` | 自动使用 `localStorage` 保存当前使用的语言。 |
+| `localStorageKey` | `String` | `umi_locale` | 自定义 `localStorage` 保存语言时使用的 key。 |
 
 ### 标题国际化
 
diff --git a/packages/plugins/src/locale.ts b/packages/plugins/src/locale.ts
index c048f1f2837a..507b68872d03 100644
--- a/packages/plugins/src/locale.ts
+++ b/packages/plugins/src/locale.ts
@@ -43,6 +43,7 @@ export default (api: IApi) => {
     useLocalStorage: true,
     baseSeparator: '-',
     antd: hasAntd,
+    localStorageKey: 'umi_locale',
   };
 
   api.describe({
@@ -57,6 +58,7 @@ export default (api: IApi) => {
             title: zod.boolean(),
             antd: zod.boolean(),
             baseSeparator: zod.string(),
+            localStorageKey: zod.string(),
           })
           .partial();
       },
@@ -120,7 +122,14 @@ export default (api: IApi) => {
       dirname(require.resolve('event-emitter/package')),
     );
 
-    const { baseSeparator, baseNavigator, antd, title, useLocalStorage } = {
+    const {
+      baseSeparator,
+      baseNavigator,
+      antd,
+      title,
+      useLocalStorage,
+      localStorageKey,
+    } = {
       ...defaultConfig,
       ...(api.config.locale as ILocaleConfig),
     };
@@ -207,6 +216,7 @@ export default (api: IApi) => {
         DefaultLocale: JSON.stringify(defaultLocale),
         warningPkgPath: winPath(dirname(require.resolve('warning/package'))),
         reactIntlPkgPath,
+        localStorageKey: JSON.stringify(localStorageKey),
       }),
     });
     // runtime.tsx
diff --git a/packages/plugins/templates/locale/localeExports.tpl b/packages/plugins/templates/locale/localeExports.tpl
index 8224eb065b7f..bf55594f481a 100644
--- a/packages/plugins/templates/locale/localeExports.tpl
+++ b/packages/plugins/templates/locale/localeExports.tpl
@@ -196,7 +196,7 @@ export const getLocale = () => {
   // because changing will break the app
   const lang =
       navigator.cookieEnabled && typeof localStorage !== 'undefined' && useLocalStorage
-        ? window.localStorage.getItem('umi_locale')
+        ? window.localStorage.getItem({{{ localStorageKey }}})
         : '';
   // support baseNavigator, default true
   let browserLang;
@@ -241,7 +241,7 @@ export const setLocale = (lang: string, realReload: boolean = true) => {
   const updater = () => {
     if (getLocale() !== lang) {
        if (navigator.cookieEnabled && typeof window.localStorage !== 'undefined' && useLocalStorage) {
-          window.localStorage.setItem('umi_locale', lang || '');
+          window.localStorage.setItem({{{ localStorageKey }}}, lang || '');
        }
       setIntl(lang);
       if (realReload) {