diff --git a/README.md b/README.md
index 296b453..f3a3162 100644
--- a/README.md
+++ b/README.md
@@ -285,7 +285,7 @@ window.redirect_uri="https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxnewloginpage?tic
 
 | API | synccheck |
 | --- | --------- |
-| url | https://webpush.weixin.qq.com/cgi-bin/mmwebwx-bin/synccheck |
+| url | https://webpush.weixin.qq.com/cgi-bin/mmwebwx-bin/synccheck or <br> https://webpush2.weixin.qq.com/cgi-bin/mmwebwx-bin/synccheck |
 | method | GET |
 | data | URL Encode |
 | params | **r**: `时间戳` <br> **sid**: xxx <br> **uin**: xxx <br> **skey**: xxx <br> **deviceid**: xxx <br> **synckey**: xxx <br> **_**: `时间戳` |
@@ -296,7 +296,7 @@ window.synccheck={retcode:"xxx",selector:"xxx"}
 
 retcode:
 	0 正常
-	1100 登出微信
+	1100 失败/登出微信
 selector:
 	0 正常
 	2 新的消息
diff --git a/weixin.py b/weixin.py
index 6b8d7a9..0db7c21 100755
--- a/weixin.py
+++ b/weixin.py
@@ -50,6 +50,7 @@ class WebWeixin(object):
 		self.ContactList = []
 		self.GroupList = []
 		self.autoReplyMode = False
+		self.syncHost = ''
 
 		opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cookielib.CookieJar()))
 		urllib2.install_opener(opener)
@@ -179,6 +180,13 @@ class WebWeixin(object):
 		# blabla ...
 		return True
 
+	def testsynccheck(self):
+		for host in ['webpush', 'webpush2']:
+			self.syncHost = host
+			[retcode, selector] = self.synccheck()
+			if retcode == '0': return True
+		return False
+
 	def synccheck(self):
 		params = {
 			'r': int(time.time()),
@@ -189,7 +197,7 @@ class WebWeixin(object):
 			'synckey': self.synckey,
 			'_': int(time.time()),
 		}
-		url = 'https://webpush.weixin.qq.com/cgi-bin/mmwebwx-bin/synccheck?' + urllib.urlencode(params)
+		url = 'https://' + self.syncHost + '.weixin.qq.com/cgi-bin/mmwebwx-bin/synccheck?' + urllib.urlencode(params)
 		data = self._get(url)
 		pm = re.search(r'window.synccheck={retcode:"(\d+)",selector:"(\d+)"}', data)
 		retcode = pm.group(1)
@@ -304,6 +312,7 @@ class WebWeixin(object):
 
 	def listenMsgMode(self):
 		print '[*] 进入消息监听模式 ... 成功'
+		self._run('[*] 进行同步线路测试 ... ', self.testsynccheck)
 		playWeChat = 0
 		while True:
 			[retcode, selector] = self.synccheck()