diff --git a/build.js b/build.js
new file mode 100644
index 0000000..209de5d
--- /dev/null
+++ b/build.js
@@ -0,0 +1,15 @@
+/**
+ * {build}
+ * @author yutent<yutent.io@gmail.com>
+ * @date 2021/08/09 11:59:41
+ */
+
+const Es = require('esbuild')
+
+Es.build({
+  entryPoints: ['src/index.js', 'src/next.js'],
+  bundle: true,
+  minify: true,
+  format: 'esm',
+  outdir: 'dist'
+})
diff --git a/package.json b/package.json
index f8fa785..080e0be 100644
--- a/package.json
+++ b/package.json
@@ -1,13 +1,11 @@
 {
   "name": "@bytedo/fetch",
-  "version": "1.1.1",
+  "version": "1.1.2",
   "description": "全新的ajax封装。分2个版本, 一个基于XMLHttpRequest, 一个基于window.fetch",
   "main": "dist/index.js",
-  "directories": {
-    "lib": "dist/lib"
-  },
+  "files": ["dist/*"],
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "start": "node ./build.js"
   },
   "repository": {
     "type": "git",
@@ -19,5 +17,8 @@
   "bugs": {
     "url": "https://github.com/bytedo/fetch/issues"
   },
-  "homepage": "https://github.com/bytedo/fetch#readme"
+  "homepage": "https://github.com/bytedo/fetch#readme",
+  "devDependencies": {
+    "esbuild": "^0.12.19"
+  }
 }
diff --git a/src/index.es7 b/src/index.js
similarity index 100%
rename from src/index.es7
rename to src/index.js
diff --git a/src/lib/format.es7 b/src/lib/format.js
similarity index 100%
rename from src/lib/format.es7
rename to src/lib/format.js
diff --git a/src/next.es7 b/src/next.js
similarity index 100%
rename from src/next.es7
rename to src/next.js