fix 回复删除子会话

zhongzheng-system/src/main/resources/mapper/modules/course/CourseSubjectMapper.xml

@@ -81,6 +81,9 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         <if test="projectId != null and projectId!=0 ">
             and (SELECT COUNT(t.id) FROM course_subject_project t  where t.project_id = #{projectId} AND t.subject_id = s.id) > 0
         </if>
+        <if test="businessId != null and businessId!=0 ">
+            and (SELECT COUNT(t.id) FROM course_subject_project t LEFT JOIN course_business cb on cb.project_id = t.project_id.id where t.project_id = #{projectId} AND t.subject_id = s.id) > 0
+        </if>
         <if test="subjectName != null and subjectName!='' ">
             AND s.subject_name = #{subjectName}
         </if>

zhongzheng-system/src/main/resources/mapper/modules/user/UserCourseAnswerMapper.xml

@@ -113,7 +113,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 
     <update id="delChildAnswer" parameterType="com.zhongzheng.modules.user.bo.UserCourseAnswerQueryBo"  >
         UPDATE user_course_answer
-        SET `status` = - 1
+        <set> `status` = - 1 </set>
         WHERE
             FIND_IN_SET(
                     answer_id,(