run contact-bot throw error

[lijiarui]

Wechaty version: 0.15.150

run example/contact-bot.ts, restart this code and get the following error:

18:39:44 VERB PuppetPadchat contactAvatar(D_70819983, )
18:39:44 ERR Config ###########################
18:39:44 ERR Config unhandledRejection: Error: save(/Users/egg/git/rui/wechaty/0) file is already exist! [object Promise]
18:39:44 ERR Config ###########################
18:39:44 ERR Config process.on(unhandledRejection) promise.catch(save(/Users/egg/git/rui/wechaty/0) file is already exist!)
Config Error: save(/Users/egg/git/rui/wechaty/0) file is already exist!
    at FileBox.<anonymous> (/Users/egg/git/rui/wechaty/node_modules/file-box/src/file-box.ts:383:13)
    at Generator.next (<anonymous>)
    at fulfilled (/Users/egg/git/rui/wechaty/node_modules/file-box/dist/src/file-box.js:4:58)
(node:16625) PromiseRejectionHandledWarning: Promise rejection was handled asynchronously (rejection id: 1)
18:39:55 SILL PuppetPadchatManager syncContactsAndRooms() syncing 52 out of Contact(257) & Room(113) ...

[huan]

Please confirm the fix.

[lijiarui]

the error fix, but it got a new error: see more in #1332