fix:修改报错

src/core/callcenter/esl/client.py

@@ -519,7 +519,7 @@ class OutboundClient:
                 if con.connected():
                     info = con.getInfo()
 
-                    self.logger.info(json.loads(info.serialize('json')))
+                    self.server.logger.info(json.loads(info.serialize('json')))
                     event_name = info.getHeader("Event-Name")
                     self.server.logger.info('Event-Name: %s', event_name)
                     device_id = info.getHeader("unique-id")