log exception for switch button

example/ding-dong-bot.ts

@@ -108,7 +108,7 @@ bot
   }
 })
 
-bot.init()
+bot.start()
 .catch(e => {
   log.error('Bot', 'init() fail: %s', e)
   bot.quit()

src/puppet-web/bridge.ts

@@ -647,7 +647,7 @@ export class Bridge extends EventEmitter {
       log.silly('PuppetWebBridge', 'clickSwitchAccount() clicked!')
       return true
     } catch (e) {
-      log.silly('PuppetWebBridge', 'clickSwitchAccount() button not found')
+      log.silly('PuppetWebBridge', 'clickSwitchAccount() button not found: %s', e)
       return false
     }
   }

src/puppet-web/wechaty-bro.js

@@ -208,15 +208,14 @@
     // log('checkScan() code:' + code + ' url:' + url + ' scanCode:' + WechatyBro.vars.scanCode)
 
     if (url && code !== WechatyBro.vars.scanCode) {
-
       log('checkScan() - code change detected: from '
         + WechatyBro.vars.scanCode
         + ' to '
         + code
       )
       WechatyBro.emit('scan', {
-        code:   code,
-        url:  url,
+        code : code,
+        url  : url,
       })
       WechatyBro.vars.scanCode = code
     }
@@ -229,7 +228,10 @@
     return
   }
 
-  function isLogin() { return !!WechatyBro.vars.loginStatus }
+  function isLogin() {
+    return !!WechatyBro.vars.loginStatus
+  }
+
   function login(data) {
     log('login(' + data + ')')
     if (!WechatyBro.vars.loginStatus) {
@@ -238,6 +240,7 @@
     WechatyBro.vars.scanCode = null
     WechatyBro.emit('login', data)
   }
+
   function logout(data) {
     log('logout(' + data + ')')
     WechatyBro.vars.loginStatus = false
@@ -250,7 +253,11 @@
     checkScan()
   }
 
-  function ding(data) { log('recv ding'); return data || 'dong' }
+  function ding(data) {
+    log('recv ding')
+    return data || 'dong'
+  }
+
   function hookEvents() {
     var rootScope = WechatyBro.glue.rootScope
     var appScope = WechatyBro.glue.appScope