增加模塊安裝時提未如下代碼，什么情況？如何處理？

MySQL Error: Execute SQL error, message : SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '?DROP TABLE IF EXISTS `yzm_shuju`' at line 1 | ?DROP TABLE IF EXISTS `yzm_shuju`