fix: get correct audio format in pytts

app.py

@@ -1,5 +1,6 @@
 # encoding:utf-8
 
+import os
 from config import conf, load_config
 from channel import channel_factory
 from common.log import logger
@@ -13,6 +14,10 @@ def run():
 
         # create channel
         channel_name=conf().get('channel_type', 'wx')
+        if channel_name == 'wxy':
+            os.environ['WECHATY_LOG']="warn"
+            # os.environ['WECHATY_PUPPET_SERVICE_ENDPOINT'] = '127.0.0.1:9001'
+
         channel = channel_factory.create_channel(channel_name)
         if channel_name in ['wx','wxy']:
             PluginManager().load_plugins()