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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 '-12,6' at line 1

错误位置

FILE: /www/wwwroot/www.kingsemi.com/ThinkPHP/Lib/Driver/Db/DbMysqli.class.php 　LINE: 89

ThinkPHP3.1.3 { Fast & Simple OOP PHP Framework } -- [ WE CAN DO IT JUST THINK ]