change push url and file upload url

wxbot.py

@@ -796,8 +796,8 @@ class WXBot:
         if not os.path.exists(fpath):
             print '[ERROR] File not exists.'
             return None
-        url_1 = 'https://file.wx.qq.com/cgi-bin/mmwebwx-bin/webwxuploadmedia?f=json'
-        url_2 = 'https://file2.wx.qq.com/cgi-bin/mmwebwx-bin/webwxuploadmedia?f=json'
+        url_1 = 'https://file.wx2.qq.com/cgi-bin/mmwebwx-bin/webwxuploadmedia?f=json'
+        url_2 = 'https://file2.wx2.qq.com/cgi-bin/mmwebwx-bin/webwxuploadmedia?f=json'
         flen = str(os.path.getsize(fpath))
         ftype = mimetypes.guess_type(fpath)[0] or 'application/octet-stream'
         files = {
@@ -1133,7 +1133,7 @@ class WXBot:
             'synckey': self.sync_key_str,
             '_': int(time.time()),
         }
-        url = 'https://' + self.sync_host + '.weixin.qq.com/cgi-bin/mmwebwx-bin/synccheck?' + urllib.urlencode(params)
+        url = 'https://' + self.sync_host + '.wx.qq.com/cgi-bin/mmwebwx-bin/synccheck?' + urllib.urlencode(params)
         try:
             r = self.session.get(url, timeout=60)
             r.encoding = 'utf-8'