优化更新弹窗机制及其内容描述

src/main/utils/autoUpdate.js

@@ -92,14 +92,14 @@ module.exports = isFirstCheckedUpdate => {
   })
   autoUpdater.on('error', err => {
     sendStatusToWindow('Error in auto-updater.')
-    handleSendEvent({ type: 'update-error', info: err })
+    handleSendEvent({ type: 'update-error', info: err.message })
   })
   autoUpdater.on('download-progress', progressObj => {
     let log_message = 'Download speed: ' + progressObj.bytesPerSecond
     log_message = log_message + ' - Downloaded ' + progressObj.percent + '%'
     log_message = log_message + ' (' + progressObj.transferred + '/' + progressObj.total + ')'
     sendStatusToWindow(log_message)
-    handleSendEvent({ type: 'download-progress', info: progressObj })
+    handleSendEvent({ type: 'update-progress', info: progressObj })
   })
   autoUpdater.on('update-downloaded', info => {
     sendStatusToWindow('Update downloaded.')