diff --git a/README.md b/README.md
index 44516f5..9a8085d 100644
--- a/README.md
+++ b/README.md
@@ -28,14 +28,7 @@ import Vue from 'vue'
 import XEAjax from 'xe-ajax'
 import VXEAjax from 'vxe-ajax'
 
-// use:
 Vue.use(VXEAjax, XEAjax)
-
-// vue2.x:
-// Vue.prototype.$ajax = XEAjax
-
-// vue3.x:
-// app.config.globalProperties.$ajax = XEAjax
 ```
 
 ```html
diff --git a/gulpfile.js b/gulpfile.js
index 61bca84..fa5680f 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -33,12 +33,16 @@ gulp.task('build_umd', function () {
     }))
     .pipe(replace(`global.${exportModuleName} = mod.exports;`, `global.${exportModuleName} = mod.exports.default;`))
     .pipe(rename({
-      basename: pack.name
+      basename: pack.name,
+      suffix: '.umd',
+      extname: '.js'
     }))
     .pipe(gulp.dest('dist'))
     .pipe(uglify())
     .pipe(rename({
-      extname: '.min.js'
+      basename: pack.name,
+      suffix: '.umd.min',
+      extname: '.js'
     }))
     .pipe(gulp.dest('dist'))
 })
diff --git a/package.json b/package.json
index 55ec14a..81a4830 100644
--- a/package.json
+++ b/package.json
@@ -1,10 +1,10 @@
 {
   "name": "vxe-ajax",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "description": "用于 Vue 全局安装 xe-ajax",
   "main": "dist/vxe-ajax.common.js",
-  "unpkg": "dist/vxe-ajax.js",
-  "jsdelivr": "dist/vxe-ajax.js",
+  "unpkg": "dist/vxe-ajax.umd.min.js",
+  "jsdelivr": "dist/vxe-ajax.umd.min.js",
   "typings": "index.d.ts",
   "scripts": {
     "lib": "gulp build",