fix 题库模块

zhongzheng-system/src/main/resources/mapper/modules/bank/ExamQuestionMapper.xml

@@ -45,7 +45,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         exam_question eq
         LEFT JOIN question q ON eq.question_id = q.question_id
         WHERE
-              eq.exam_id =#{businessId}
+              eq.exam_id =#{exam_id}