electron-simple-updater: can not get update!

I publish an app with version 1.0.4 in package.json, when I use electron-simple-updater, I make the updates.json like: { “win32-x64-prod”: { “readme”: “日常更新”, “update”: “https://xxxx/worker-management/1520414279”, “install”: “https://xxxx/worker-management/1520414279/伊云仓TEM Setup 1.0.5.exe”, “version”: “1.0.5” } }

I run this script to pack: "pack:win": "electron-builder --win --ia32" my update url is "updater": { "url": "http://xxxx/worker-management/raw/master/updates.json?private_token=xxxx" }

in main.js

updater.init({ checkUpdateOnStart: false, autoDownload: false })

in render.js:

import { remote } from ‘electron’ export default function update() { const updater = remote.require(‘electron-simple-updater’) updater.on(‘update-available’, meta => { console.log(‘[updater] update avaiable’, meta.version) updater.downloadUpdate() }) updater.on(‘update-not-available’, () => { console.log(‘there is no available update’) }) updater.on(‘update-downloading’, () => {}) updater.on(‘update-downloaded’, () => { if (window.confirm(‘Restart and install updates?’)) { updater.quitAndInstall() } }) updater.on(‘error’, err => { console.warn(err) }) updater.checkForUpdates() }

I always got ‘there is no available update’. What is wrong with my case?