...出现如下错误 [XSErrorException] ../usr/local/xunsearch/sdk/php/util/Indexer.php(176): ob_flush(): failed to flush buffer. No buffer to flush.(8) #0 [internal function]: xs_error_handler(8, 'ob_flush(): fai...', '/usr/local/xuns...', 176, Array) #1 /usr/local/xunsearch/sdk/php/util/Indexer.php(...