diff --git a/README.md b/README.md
index 22b3778..1bf1537 100644
--- a/README.md
+++ b/README.md
@@ -117,11 +117,9 @@ e.g. `'zh-cn'`
 - Type: `boolean`
 - Default: `false`
 
-Whether to cache the element-plus components and directives.
+Whether to cache the element-plus components and directives. **Only effective in development mode**.
 
-> [!WARNING]
-> If you enable this feature, you will get faster loading speed in development mode.
-> However, please note that this will make the `defaultLocale` ineffective in development mode.
+If you enable this feature, you will get faster loading speed in development mode.
 
 ### globalConfig
 
diff --git a/src/core/cache.ts b/src/core/cache.ts
index 0dde8f5..a5a7588 100644
--- a/src/core/cache.ts
+++ b/src/core/cache.ts
@@ -1,10 +1,19 @@
 import { libraryName } from '../config'
+import type { ModuleOptions } from '../types'
+import { camelize } from '../utils'
+
+export function resolveCache (config: ModuleOptions) {
+  const { defaultLocale } = config
+  const locale = camelize(defaultLocale ?? '')
 
-export function resolveCache () {
   return {
     filename: `${libraryName}-cache.mjs`,
     getContents: () => {
-      return `export * from '${libraryName}';`
+      return `export * from '${libraryName}';
+${defaultLocale
+  ? `import ${locale} from '${libraryName}/es/locale/lang/${defaultLocale}.mjs';
+export { ${locale} };`
+  : ''}`
     }
   }
 }
diff --git a/src/core/globalConfig.ts b/src/core/globalConfig.ts
index efc0217..b9d3e55 100644
--- a/src/core/globalConfig.ts
+++ b/src/core/globalConfig.ts
@@ -1,18 +1,25 @@
 import { libraryName } from '../config'
 import type { ModuleOptions } from '../types'
+import { camelize, resolveComponentPath } from '../utils'
 
 export function resolveGlobalConfig (config: ModuleOptions) {
-  const { globalConfig } = config
+  const { globalConfig, cache, defaultLocale } = config
+  const needLocale = !!(cache && defaultLocale)
+  const locale = camelize(defaultLocale ?? '')
+  let provideConfig = JSON.stringify(globalConfig)
+
+  if (needLocale) {
+    provideConfig = JSON.stringify(Object.assign({}, globalConfig, { locale })).replace(`"${locale}"`, locale)
+  }
 
   return {
     filename: `${libraryName}-globalConfig.plugin.mjs`,
-    getContents: () => {
+    getContents: async () => {
       return `import { defineNuxtPlugin, provideGlobalConfig } from '#imports';
-
-export default defineNuxtPlugin(nuxtApp => {
-  provideGlobalConfig(${JSON.stringify(globalConfig)}, nuxtApp.vueApp, true);
-})
-`
+${needLocale ? `import { ${locale} } from '${await resolveComponentPath('', cache)}';\n` : ''}
+export default defineNuxtPlugin(nuxtApp => { 
+  provideGlobalConfig(${provideConfig}, nuxtApp.vueApp, true);
+})`
     }
   }
 }
diff --git a/src/module.ts b/src/module.ts
index 94e26a1..1dab850 100644
--- a/src/module.ts
+++ b/src/module.ts
@@ -32,12 +32,17 @@ export default defineNuxtModule<ModuleOptions>({
   setup (options, nuxt) {
     const layers = getLayersDir(nuxt.options._layers)
 
+    // disable the `cache` option when building applications
+    if (!nuxt.options.dev) {
+      options.cache = false
+    }
+
     resolveOptions(options)
     resolveThemes(options)
     resolveBaseImports(options)
     nuxt.options.imports.autoImport !== false && resolveImports(options)
     nuxt.options.components !== false && resolveComponents(options)
-    options.cache && addTemplate(resolveCache())
+    options.cache && addTemplate(resolveCache(options))
     options.globalConfig && addPluginTemplate(resolveGlobalConfig(options))
 
     if (nuxt.options.ssr !== false) {
diff --git a/src/types.ts b/src/types.ts
index 598c7cf..1de0e4a 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -183,9 +183,9 @@ export interface ModuleOptions extends TransformOptions {
    */
   installMethods: Array<'ElLoading' | 'ElMessage' | 'ElMessageBox' | 'ElNotification'>
   /**
-   * Whether to cache the element-plus components and directives.
+   * Whether to cache the element-plus components and directives. **Only effective in development mode**.
    *
-   * If you enable this feature, you will get faster loading speed in development mode. However, please note that this will make the `defaultLocale` ineffective in development mode.
+   * If you enable this feature, you will get faster loading speed in development mode.
    *
    * @default 'false'
    */