用API下单时出现以下错误：
{'errors': [{'errorCode': 'ERR-TICOM-ORDER-API-00400', 'section': 'Generic', 'type': 'BadRequest', 'reason': 'Invalid Syntax in request JSON', 'message': 'There is an error in the syntax. Please correct the syntax (i.e extra comma, missing comma, missing bracket, etc.) and try again.'}]}
