数据库出错: MySQL Query Error

Mysql error description: 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 '' at line 1
Mysql error number: 1064
Date: 2019-08-22 @ 23:50
Query: SELECT * FROM tbl_products_type WHERE p_id=
Script: http://regalshoes.com.cn/mens/casual/1366