mapper.xml中循环执行多条语句时报错，但是单独拿SQL到数据库却可以执行

我是批量修改数据，用foreach标签包住update语句，报错信息如下：

nested exception is java.sql.SQLSyntaxErrorException: 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 'update biz_invoice_new
             SET BUSINESS_CHANNEL = '02',
               ' at line 14

最后解决，在数据源配置中添加参数：