无法更新 rand_seed 的值

SQL Error: UPDATE command denied to user 'xdm71326084'@'8.210.221.127' for table 'phpbb_config'

SQL Code：UPDATE phpbb_config SET config_value = '4764c9de78d029ca46abe8b0fafb077a' WHERE config_name = 'rand_seed'

Error File: common.php

Error Line: 1733