diff --git a/packages/inula-intl/babel.config.js b/packages/inula-intl/babel.config.js
index ed7275da..df5b4f0b 100644
--- a/packages/inula-intl/babel.config.js
+++ b/packages/inula-intl/babel.config.js
@@ -13,7 +13,7 @@
  * See the Mulan PSL v2 for more details.
  */
 
-const {preset} = require("./jest.config");
+const { preset } = require('./jest.config');
 module.exports = {
   presets: [
     [
@@ -23,19 +23,15 @@ module.exports = {
           browsers: ['> 1%', 'last 2 versions', 'not ie <= 8'],
           node: 'current',
         },
-        useBuiltIns: 'usage',
-        corejs: 3,
       },
     ],
+    ['@babel/preset-typescript'],
     [
-      '@babel/preset-typescript',
-    ],
-    [
-      "@babel/preset-react",
+      '@babel/preset-react',
       {
-        "runtime": "automatic",
-        "importSource": "openinula"
-      }
-    ]
+        runtime: 'automatic',
+        importSource: 'openinula',
+      },
+    ],
   ],
 };
diff --git a/packages/inula-intl/example/App.tsx b/packages/inula-intl/example/App.tsx
index 205a38f1..ba6166c7 100644
--- a/packages/inula-intl/example/App.tsx
+++ b/packages/inula-intl/example/App.tsx
@@ -39,7 +39,7 @@ const App = () => {
       <div className='container'>
         <Example1/>
         <Example2/>
-        <Example3/>
+        <Example3 locale={locale} setLocale={setLocale}/>
       </div>
       <div className='container'>
         <Example4 locale={locale} messages={message}/>
diff --git a/packages/inula-intl/example/index.tsx b/packages/inula-intl/example/index.tsx
index f4185e04..0678d203 100644
--- a/packages/inula-intl/example/index.tsx
+++ b/packages/inula-intl/example/index.tsx
@@ -17,9 +17,7 @@ import App from './App'
 
 function render() {
     Inula.render(
-    <>
-      <App/>
-    </>,
+      <App/>,
     document.querySelector('#root') as any
   )
 }
diff --git a/packages/inula-intl/index.ts b/packages/inula-intl/index.ts
index da43b69b..776255b8 100644
--- a/packages/inula-intl/index.ts
+++ b/packages/inula-intl/index.ts
@@ -54,7 +54,7 @@ export default {
   IntlProvider: I18nProvider,
   injectIntl: injectIntl,
   RawIntlProvider: InjectProvider,
-}
+};
 
 // 用于定义文本
 export function defineMessages<K extends keyof any, T = MessageDescriptor, U = Record<K, T>>(msgs: U): U {
diff --git a/packages/inula-intl/package.json b/packages/inula-intl/package.json
index e370b1b0..13d73b75 100644
--- a/packages/inula-intl/package.json
+++ b/packages/inula-intl/package.json
@@ -4,10 +4,11 @@
   "description": "",
   "main": "build/intl.umd.js",
   "type": "commonjs",
-  "types": "build/index.d.ts",
+  "types": "build/@types/index.d.ts",
   "scripts": {
     "demo-serve": "webpack serve --mode=development",
-    "build": "rollup --config rollup.config.js",
+    "rollup-build": "rollup --config rollup.config.js && npm run build-types",
+    "build-types": "tsc -p tsconfig.json && rollup -c build-type.js",
     "test": "jest --config jest.config.js",
     "test-c": "jest --coverage"
   },
@@ -33,6 +34,7 @@
     "@rollup/plugin-babel": "^6.0.3",
     "@rollup/plugin-node-resolve": "^7.1.3",
     "@rollup/plugin-typescript": "^11.0.0",
+    "rollup-plugin-dts": "^6.1.0",
     "@testing-library/jest-dom": "^5.16.5",
     "@testing-library/react": "^14.0.0",
     "@types/node": "^16.18.27",
@@ -40,7 +42,6 @@
     "babel": "^6.23.0",
     "babel-jest": "^29.5.0",
     "babel-loader": "^9.1.2",
-    "core-js": "3.31.0",
     "html-webpack-plugin": "^5.5.1",
     "jest": "29.3.1",
     "jest-environment-jsdom": "^29.5.0",
@@ -56,8 +57,6 @@
     "typescript": "4.9.3",
     "webpack": "^5.81.0",
     "webpack-cli": "^5.1.4",
-    "webpack-dev-server": "^4.13.3",
-    "react": "18.2.0",
-    "react-dom": "18.2.0"
+    "webpack-dev-server": "^4.13.3"
   }
 }
diff --git a/packages/inula-intl/src/parser/Lexer.ts b/packages/inula-intl/src/parser/Lexer.ts
index c233861e..f4a602b1 100644
--- a/packages/inula-intl/src/parser/Lexer.ts
+++ b/packages/inula-intl/src/parser/Lexer.ts
@@ -14,51 +14,45 @@
  */
 
 import ruleUtils from '../utils/parseRuleUtils';
-import { LexerInterface } from "../types/interfaces";
-
-const getMatch = ruleUtils.checkSticky()
-  ? // 正则表达式具有 sticky 标志
-  (regexp, buffer) => regexp.exec(buffer)
-  : // 正则表达式具有 global 标志,匹配的字符串长度为 0，则表示匹配失败
-  (regexp, buffer) => (regexp.exec(buffer)[0].length === 0 ? null : regexp.exec(buffer));
+import { LexerInterface } from '../types/interfaces';
 
 class Lexer<T> implements LexerInterface<T> {
   readonly startState: string;
   readonly states: Record<string, any>;
   private buffer: string = '';
   private stack: string[] = [];
-  private index;
-  private line;
-  private col;
-  private queuedText;
-  private state;
-  private groups;
-  private error;
+  private index: number = 0;
+  private line: number = 1;
+  private col: number = 1;
+  private queuedText: string = '';
+  private state: string = '';
+  private groups: string[] = [];
+  private error: Record<string, any> | undefined;
   private regexp;
-  private fast;
-  private queuedGroup;
-  private value;
+  private fast: object = {};
+  private queuedGroup: string | null = '';
+  private value: string = '';
 
-  constructor(states, state) {
-    this.startState = state;
-    this.states = states;
+  constructor(unionReg: Record<string, any>, startState: string) {
+    this.startState = startState;
+    this.states = unionReg;
     this.buffer = '';
     this.stack = [];
     this.reset();
   }
 
-  public reset(data?, info?) {
+  public reset(data?: string) {
     this.buffer = data || '';
     this.index = 0;
-    this.line = info ? info.line : 1;
-    this.col = info ? info.col : 1;
-    this.queuedText = info ? info.queuedText : '';
-    this.setState(info ? info.state : this.startState);
-    this.stack = info && info.stack ? info.stack.slice() : [];
+    this.line = 1;
+    this.col = 1;
+    this.queuedText = '';
+    this.setState(this.startState);
+    this.stack = [];
     return this;
   }
 
-  private setState(state) {
+  private setState(state: string) {
     if (!state || this.state === state) {
       return;
     }
@@ -71,15 +65,15 @@ class Lexer<T> implements LexerInterface<T> {
   }
 
   private popState() {
-    this.setState(this.stack.pop());
+    this.setState(<string>this.stack.pop());
   }
 
-  private pushState(state) {
+  private pushState(state: string) {
     this.stack.push(this.state);
     this.setState(state);
   }
 
-  private getGroup(match) {
+  private getGroup(match: Record<string, any>) {
     const groupCount = this.groups.length;
     for (let i = 0; i < groupCount; i++) {
       if (match[i + 1] !== undefined) {
@@ -127,7 +121,7 @@ class Lexer<T> implements LexerInterface<T> {
     const group = this.getGroup(match);
     const text = match[0];
 
-    if (error.fallback && match.index !== index) {
+    if (error?.fallback && match.index !== index) {
       this.queuedGroup = group;
       this.queuedText = text;
       return this.getToken(error, buffer.slice(index, match.index), index);
@@ -136,7 +130,14 @@ class Lexer<T> implements LexerInterface<T> {
     return this.getToken(group, text, index);
   }
 
-  private getToken(group, text, offset) {
+  /**
+   *  獲取Token
+   * @param group 解析模板后獲得的屬性值
+   * @param text 文本屬性的信息
+   * @param offset 偏移量
+   * @private
+   */
+  private getToken(group: any, text: string, offset: number) {
     let lineNum = 0;
     let last = 1; // 最后一个换行符的索引位置
     if (group.lineBreaks) {
@@ -192,9 +193,14 @@ class Lexer<T> implements LexerInterface<T> {
       next: (): IteratorResult<T> => {
         const token = this.next();
         return { value: token, done: !token } as IteratorResult<T>;
-      }
-    }
+      },
+    };
   }
 }
 
+const getMatch = ruleUtils.checkSticky()
+  ? // 正则表达式具有 sticky 标志
+    (regexp, buffer) => regexp.exec(buffer)
+  : // 正则表达式具有 global 标志,匹配的字符串长度为 0，则表示匹配失败
+    (regexp, buffer) => (regexp.exec(buffer)[0].length === 0 ? null : regexp.exec(buffer));
 export default Lexer;
diff --git a/packages/inula-intl/src/parser/mappingRule.ts b/packages/inula-intl/src/parser/mappingRule.ts
index 962816ca..54bee482 100644
--- a/packages/inula-intl/src/parser/mappingRule.ts
+++ b/packages/inula-intl/src/parser/mappingRule.ts
@@ -70,5 +70,5 @@ const select: Record<string, any> = {
 export const mappingRule: Record<string, any> = {
   body,
   arg,
-  select
+  select,
 };
diff --git a/packages/inula-intl/src/parser/parseMappingRule.ts b/packages/inula-intl/src/parser/parseMappingRule.ts
index 55e9af13..9323378c 100644
--- a/packages/inula-intl/src/parser/parseMappingRule.ts
+++ b/packages/inula-intl/src/parser/parseMappingRule.ts
@@ -16,16 +16,16 @@
 import Lexer from './Lexer';
 import { mappingRule } from './mappingRule';
 import ruleUtils from '../utils/parseRuleUtils';
-import { RawToken } from "../types/types";
+import { RawToken } from '../types/types';
 
 const defaultErrorRule = ruleUtils.getRuleOptions('error', { lineBreaks: true, shouldThrow: true });
 
 // 解析规则并生成词法分析器所需的数据结构，以便进行词法分析操作
 function parseRules(rules: Record<string, any>, hasStates: boolean): Record<string, any> {
   let errorRule: Record<string, any> | null = null;
-  const fast = {};
-  let enableFast = true;
-  let unicodeFlag = null;
+  const fast: object = {};
+  let enableFast: boolean = true;
+  let unicodeFlag: boolean | null = null;
   const groups: Record<string, any>[] = [];
   const parts: string[] = [];
 
@@ -108,11 +108,11 @@ export function checkStateGroup(group: Record<string, any>, name: string, map: R
 }
 
 // 将国际化解析规则注入分词器中
-function parseMappingRule(mappingRule: Record<string, any>, start?: string): Lexer<RawToken> {
+function parseMappingRule(mappingRule: Record<string, any>, startState?: string): Lexer<RawToken> {
   const keys = Object.getOwnPropertyNames(mappingRule);
 
-  if (!start) {
-    start = keys[0];
+  if (!startState) {
+    startState = keys[0];
   }
 
   // 将每个状态的规则解析为规则数组，并存储在 ruleMap 对象中
@@ -153,27 +153,27 @@ function parseMappingRule(mappingRule: Record<string, any>, start?: string): Lex
     }
   }
 
-  const map = {};
+  const mappingAllRules = {};
 
-  // 将规则映射为词法分析器数据结构，并存储在 map 对象中
+  // 将规则映射为词法分析器数据结构，并存储在 mappingAllRules 对象中
   keys.forEach(key => {
-    map[key] = parseRules(ruleMap[key], true);
+    mappingAllRules[key] = parseRules(ruleMap[key], true);
   });
 
   // 检查状态组中的规则是否正确引用了其他状态
   keys.forEach(name => {
-    const state = map[name];
+    const state = mappingAllRules[name];
     const groups = state.groups;
     groups.forEach(group => {
-      checkStateGroup(group, name, map);
+      checkStateGroup(group, name, mappingAllRules);
     });
     const fastKeys = Object.getOwnPropertyNames(state.fast);
     fastKeys.forEach(fastKey => {
-      checkStateGroup(state.fast[fastKey], name, map);
+      checkStateGroup(state.fast[fastKey], name, mappingAllRules);
     });
   });
 
-  return new Lexer(map, start);
+  return new Lexer(mappingAllRules, startState);
 }
 
 function processFast(match, fast: {}, options) {
diff --git a/packages/inula-intl/src/parser/parser.ts b/packages/inula-intl/src/parser/parser.ts
index 76a6f9fd..cf885f67 100644
--- a/packages/inula-intl/src/parser/parser.ts
+++ b/packages/inula-intl/src/parser/parser.ts
@@ -17,7 +17,7 @@ import { lexer } from './parseMappingRule';
 import { RawToken, Token } from '../types/types';
 import { DEFAULT_PLURAL_KEYS } from '../constants';
 import { Content, FunctionArg, PlainArg, Select, TokenContext } from '../types/interfaces';
-import Lexer from "./Lexer";
+import Lexer from './Lexer';
 
 const getContext = (lt: Record<string, any>): TokenContext => ({
   offset: lt.offset,
@@ -29,15 +29,14 @@ const getContext = (lt: Record<string, any>): TokenContext => ({
 
 export const checkSelectType = (value: string): boolean => {
   return value === 'plural' || value === 'select' || value === 'selectordinal';
-}
+};
 
 class Parser {
-  lexer: Lexer<RawToken>;
   cardinalKeys: string[] = DEFAULT_PLURAL_KEYS;
   ordinalKeys: string[] = DEFAULT_PLURAL_KEYS;
 
   constructor(message: string) {
-    this.lexer = lexer.reset(message);
+    lexer.reset(message);
   }
 
   isSelectKeyValid(token: RawToken, type: Select['type'], value: string) {
@@ -60,7 +59,7 @@ class Parser {
       isPlural = true;
     }
 
-    for (const token of this.lexer) {
+    for (const token of lexer) {
       switch (token.type) {
         case 'offset': {
           if (type === 'select') {
@@ -97,7 +96,7 @@ class Parser {
 
   parseToken(token: RawToken, isPlural: boolean): PlainArg | FunctionArg | Select {
     const context = getContext(token);
-    const nextToken = this.lexer.next();
+    const nextToken = lexer.next();
 
     if (!nextToken) {
       throw new Error('The message end position is invalid.');
@@ -111,7 +110,7 @@ class Parser {
         return { type: 'argument', arg: token.value, ctx: context };
       }
       case 'func-simple': {
-        const end = this.lexer.next();
+        const end = lexer.next();
         if (!end) {
           throw new Error('The message end position is invalid.');
         }
@@ -159,7 +158,7 @@ class Parser {
     const tokens: any[] = [];
     let content: string | Content | null = null;
 
-    for (const token of this.lexer) {
+    for (const token of lexer) {
       if (token.type === 'argument') {
         if (content) {
           content = null;
@@ -175,7 +174,7 @@ class Parser {
       } else if (token.type === 'doubleapos') {
         tokens.push(token.value);
       } else if (token.type === 'quoted') {
-        tokens.push(token.value)
+        tokens.push(token.value);
       } else if (token.type === 'content') {
         tokens.push(token.value);
       } else {
diff --git a/packages/inula-intl/src/types/types.ts b/packages/inula-intl/src/types/types.ts
index 2a7e463b..d5607ab6 100644
--- a/packages/inula-intl/src/types/types.ts
+++ b/packages/inula-intl/src/types/types.ts
@@ -21,9 +21,10 @@ import {
   Select,
   FunctionArg,
   I18nContextProps,
-  configProps
+  configProps,
+  InjectedIntl,
 } from './interfaces';
-import I18n from "../core/I18n";
+import I18n from '../core/I18n';
 
 export type Error = string | ((message, id, context) => string);
 
@@ -71,11 +72,15 @@ export type RawToken = {
   col: number;
 };
 
-export type I18nProviderProps = I18nContextProps & configProps
+export type I18nProviderProps = I18nContextProps & configProps;
 
 export type IntlType = {
   i18n: I18n;
-  formatMessage: Function,
-  formatNumber: Function,
-  formatDate: Function,
+  formatMessage: Function;
+  formatNumber: Function;
+  formatDate: Function;
+};
+
+export interface InjectedIntlProps {
+  intl: InjectedIntl;
 }
diff --git a/packages/inula-intl/tsconfig.json b/packages/inula-intl/tsconfig.json
index 2ea73c31..f3ff266e 100644
--- a/packages/inula-intl/tsconfig.json
+++ b/packages/inula-intl/tsconfig.json
@@ -31,6 +31,7 @@
     "declaration": true,
     "experimentalDecorators": true,
     "downlevelIteration": true,
+    "declarationDir": "./build/@types",
     // 赋值为空数组使@types/node不会起作用
     "lib": [
       "dom",
@@ -53,19 +54,22 @@
     }
   },
   "include": [
-    "./src/**/*",
-    "./src/format/**/*.ts",
-    "./example/**/*"
+    "./index.ts"
   ],
   "exclude": [
     "node_modules",
     "lib",
     "**/*.spec.ts",
-    "dev"
+    "dev",
+    "./example/**/*",
+    "./tsconfig.json"
   ],
   "types": [
     "node",
     "jest",
     "@testing-library/jest-dom"
+  ],
+  "files": [
+    "./index.ts"
   ]
 }