merge

package.json

 {
   "name": "wechaty",
-  "version": "0.27.39",
+  "version": "0.27.40",
   "description": "Wechaty is a Bot SDK for Wechat Personal Account",
   "main": "dist/src/index.js",
   "typings": "dist/src/index.d.ts",

src/config.spec.ts

@@ -87,10 +87,10 @@ test('systemPuppetName ()', async t => {
   const WECHATY_PUPPET_ORIG = process.env.WECHATY_PUPPET
 
   delete process.env.WECHATY_PUPPET
-  t.equal(config.systemPuppetName(), 'default', 'should get default as pupet name')
+  t.equal(config.systemPuppetName(), 'wechaty-puppet-puppeteer', 'should get wechaty-puppet-puppeteer as puppet name')
 
-  process.env.WECHATY_PUPPET = 'mock'
-  t.equal(config.systemPuppetName(), 'mock', 'should get pupet name from process.env')
+  process.env.WECHATY_PUPPET = 'wechaty-puppet-mock'
+  t.equal(config.systemPuppetName(), 'wechaty-puppet-mock', 'should get puppet name from process.env')
 
   // restore the original value
   process.env.WECHATY_PUPPET = WECHATY_PUPPET_ORIG

src/user/message.ts

@@ -851,6 +851,11 @@ export class Message extends Accessory implements Sayable {
    * This function is depending on the Puppet Implementation, see [puppet-compatible-table](https://github.com/Chatie/wechaty/wiki/Puppet#3-puppet-compatible-table)
    *
    * @returns {Promise<FileBox>}
+   *
+   * @example <caption>Save media file from a message</caption>
+   * const fileBox = await message.toFileBox()
+   * const fileName = fileBox.name
+   * fileBox.toFile(fileName)
    */
   public async toFileBox (): Promise<FileBox> {
     if (this.type() === Message.Type.Text) {