diff --git a/.gitignore b/.gitignore
index 6704566..77e9a86 100644
--- a/.gitignore
+++ b/.gitignore
@@ -102,3 +102,6 @@ dist
 
 # TernJS port file
 .tern-port
+
+# examples yarn.lock
+examples/*/yarn.lock
diff --git a/.npmignore b/.npmignore
new file mode 100644
index 0000000..1e107f5
--- /dev/null
+++ b/.npmignore
@@ -0,0 +1 @@
+examples
diff --git a/index.ts b/index.ts
deleted file mode 100644
index 8420b10..0000000
--- a/index.ts
+++ /dev/null
@@ -1 +0,0 @@
-export * from './src';
diff --git a/package.json b/package.json
index fd38e6b..d80fa6b 100644
--- a/package.json
+++ b/package.json
@@ -1,10 +1,9 @@
 {
   "name": "data-transport",
-  "version": "0.0.1",
+  "version": "0.0.2",
   "description": "A common transporter",
   "main": "lib/index.js",
   "unpkg": "dist/index.umd.js",
-  "module": "dist/index.esm.js",
   "types": "dist/index.d.ts",
   "scripts": {
     "test": "jest",
diff --git a/rollup.config.js b/rollup.config.js
index cb5b35c..a74fd89 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -17,15 +17,12 @@ export default isProduction
           file: 'dist/index.cjs.js',
           sourcemap: true,
         },
-        {
-          format: 'es',
-          exports: 'named',
-          file: pkg.module,
-          sourcemap: true,
-        },
         {
           format: 'umd',
-          name: 'DataTransport',
+          name: pkg.name
+            .split('-')
+            .map(([s, ...rest]) => [s.toUpperCase(), ...rest].join(''))
+            .join(''),
           file: pkg.unpkg,
           sourcemap: true,
         },
diff --git a/src/transport.ts b/src/transport.ts
index 7c65005..6920e15 100644
--- a/src/transport.ts
+++ b/src/transport.ts
@@ -1,4 +1,4 @@
-import * as uuid from 'uuid';
+import { v4 } from 'uuid';
 import {
   listenKey,
   originalRespondsMapKey,
@@ -108,7 +108,7 @@ export abstract class Transport<T extends TransportDataMap = any> {
   ): Promise<Response<T[K]>> {
     const hasRespond = options.respond ?? true;
     const timeout = options.timeout ?? this[timeoutKey];
-    const transportId = uuid.v4();
+    const transportId = v4();
     if (!hasRespond) {
       return new Promise((resolve) => {
         this[sendKey]({