diff --git a/helper/copy-version.js b/helper/copy-version.js
new file mode 100644
index 0000000..e81e591
--- /dev/null
+++ b/helper/copy-version.js
@@ -0,0 +1,8 @@
+const pkg = require('../package.json');
+const util = require('./util');
+
+function main () {
+    util.write('src/version.js', `export default '${pkg.version}';`);
+}
+
+main();
\ No newline at end of file
diff --git a/public/main.js b/public/main.js
index 9c08d68..061e749 100644
--- a/public/main.js
+++ b/public/main.js
@@ -9,4 +9,7 @@ disableDevtool({
     // },
     interval: 1000,
     tkName: 'xx',
-});
\ No newline at end of file
+});
+
+console.log(disableDevtool.version);
+console.log(disableDevtool.md5('theajack'));
\ No newline at end of file
diff --git a/src/index.d.ts b/src/index.d.ts
index 88f1d10..ae6be71 100644
--- a/src/index.d.ts
+++ b/src/index.d.ts
@@ -11,6 +11,7 @@ declare interface optionStatic {
 declare interface DDTStatic {
     (option?: optionStatic): void;
     md5(text?: string): string;
+    version: string;
 }
 
 declare const ddt: DDTStatic;
diff --git a/src/main.js b/src/main.js
index 5033d68..8b26344 100644
--- a/src/main.js
+++ b/src/main.js
@@ -3,6 +3,7 @@ import {initInterval, registInterval, clearTimeout} from './interval';
 import {formatName, getNowTime, getUrlParam} from './util';
 import {mergeConfig, config} from './config';
 import md5 from './md5';
+import version from './version';
 
 export function disableDevtool (opts) {
     mergeConfig(opts);
@@ -14,6 +15,7 @@ export function disableDevtool (opts) {
 }
 
 disableDevtool.md5 = md5;
+disableDevtool.version = version;
 
 export function onDevToolOpen () {
     clearTimeout();
diff --git a/src/version.js b/src/version.js
new file mode 100644
index 0000000..833a534
--- /dev/null
+++ b/src/version.js
@@ -0,0 +1 @@
+export default '0.0.3';
\ No newline at end of file
diff --git a/webpack-config/build.js b/webpack-config/build.js
index ddc5f2e..bb1c71d 100644
--- a/webpack-config/build.js
+++ b/webpack-config/build.js
@@ -1,5 +1,6 @@
 const path = require('path');
 require('../helper/copy-to-npm');
+require('../helper/copy-version');
 
 module.exports = {
     mode: 'production',