diff --git a/src/locale/index.ts b/src/locale/index.ts
index 07eb96d..f29e099 100644
--- a/src/locale/index.ts
+++ b/src/locale/index.ts
@@ -17,59 +17,55 @@ console.log(uni.getLocale())
 console.log(i18n.global.locale)
 
 /**
- * 非 vue 文件使用这个方法
- * @param { string } localeKey 多语言的key，eg: "app.name"
+ * 可以拿到原始的语言模板，非 vue 文件使用这个方法，
+ * @param { string } key 多语言的key，eg: "app.name"
+ * @returns {string} 返回原始的多语言模板，eg: "{heavy}KG"
  */
-export const translate = (localeKey: string) => {
-  if (!localeKey) {
-    console.error(`[i18n] Function translate(), localeKey param is required`)
+export const getTemplateByKey = (key: string) => {
+  if (!key) {
+    console.error(`[i18n] Function getTemplateByKey(), key param is required`)
     return ''
   }
   const locale = uni.getLocale()
   console.log('locale:', locale)
 
-  const message = messages[locale]
-  if (Object.keys(message).includes(localeKey)) {
-    return message[localeKey]
+  const message = messages[locale] // 拿到某个多语言的所有模板（是一个对象)
+  if (Object.keys(message).includes(key)) {
+    return message[key]
   }
-  return localeKey
-}
-
-/**
- * formatString('已阅读并同意{0}和{1}','用户协议','隐私政策') -> 已阅读并同意用户协议和隐私政策
- * @deprecated 推荐使用下面的 formatI18n，使用key而不是索引，语义化更好
- * @param template
- * @param values
- * @returns
- */
-export function formatString(template: string, ...values: any) {
-  console.log(template, values)
-  // 使用map来替换{0}, {1}, ...等占位符
-  return template.replace(/{(\d+)}/g, (match, index) => {
-    const value = values[index]
-    return value !== undefined ? value : match
-  })
+  console.error(`[i18n] Function getTemplateByKey(), key param ${key} is not existed.`)
+  return ''
 }
 
 /**
  * formatI18n('我是{name},身高{detail.height},体重{detail.weight}',{name:'张三',detail:{height:178,weight:'75kg'}})
  * 暂不支持数组
  * @param template 多语言模板字符串，eg: `我是{name}`
- * @param obj 需要传递的数据对象，里面的key与多语言字符串对应，eg: `{name:'菲鸽'}`
+ * @param {Object|undefined} data 需要传递的数据对象，里面的key与多语言字符串对应，eg: `{name:'菲鸽'}`
  * @returns
  */
-export function formatI18n(template, obj) {
-  const match = /\{(.*?)\}/g.exec(template)
-  if (match) {
-    const variableList = match[0].replace('{', '').replace('}', '').split('.')
-    let result = obj
-    for (let i = 0; i < variableList.length; i++) {
-      result = result[variableList[i]] || ''
+function formatI18n(template: string, data?: any) {
+  return template.replace(/\{([^}]+)\}/g, function (match, key: string) {
+    // console.log( match, key) // => { detail.height }  detail.height
+    const arr = key.trim().split('.')
+    let result = data
+    while (arr.length) {
+      const first = arr.shift()
+      result = result[first]
     }
-    return formatI18n(template.replace(match[0], result), obj)
-  } else {
-    return template
-  }
+    return result
+  })
 }
 
+/**
+ * t('introduction',{name:'张三',detail:{height:178,weight:'75kg'}})
+ * t('introduction',{name:'张三',detail:{height:178,weight:'75kg'}})
+ * 暂不支持数组
+ * @param template 多语言模板字符串，eg: `我是{name}`
+ * @param {Object|undefined} obj 需要传递的数据对象，里面的key与多语言字符串对应，eg: `{name:'菲鸽'}`
+ * @returns
+ */
+export function t(key, obj?) {
+  return formatI18n(getTemplateByKey(key), obj)
+}
 export default i18n
diff --git a/src/pages/about/i18n.vue b/src/pages/about/i18n.vue
index 132bd82..88150eb 100644
--- a/src/pages/about/i18n.vue
+++ b/src/pages/about/i18n.vue
@@ -22,10 +22,7 @@
     <view class="text-green-500">多语言测试</view>
     <view class="m-4">{{ $t('app.name') }}</view>
     <view class="m-4">{{ $t('weight', { heavy: 100 }) }}</view>
-    <view class="m-4">{{ formatString(translate('detail'), 175, 60) }}</view>
-    <view class="m-4">
-      {{ formatI18n(translate('introduction'), user) }}
-    </view>
+    <view class="m-4">{{ t('introduction', user) }}</view>
 
     <view class="text-green-500 mt-12">切换语言</view>
     <view class="uni-list">
@@ -45,7 +42,7 @@
 </template>
 
 <script lang="ts" setup>
-import i18n, { formatI18n, formatString, translate } from '@/locale/index'
+import i18n, { t } from '@/locale/index'
 import { testI18n } from '@/utils/i18n'
 
 const current = ref(uni.getLocale())
diff --git a/src/utils/i18n.ts b/src/utils/i18n.ts
index 351aab5..7752674 100644
--- a/src/utils/i18n.ts
+++ b/src/utils/i18n.ts
@@ -1,4 +1,4 @@
-import { translate as t } from '@/locale/index'
+import { t } from '@/locale/index'
 
 /** 非vue 文件使用 i18n */
 export const testI18n = () => {