修复课程学生关联bug

snowy-plugin/snowy-plugin-disk/snowy-plugin-disk-func/src/main/java/vip/xiaonuo/disk/mapper/mapping/CourseStudentRelateMapper.xml

@@ -48,6 +48,7 @@
             IFNULL (su.LATEST_LOGIN_TIME,'') AS latestLoginTime
         FROM COURSE_STUDENT_RELATE csr
         LEFT JOIN SYS_USER su ON csr.USER_ID =su.ID
+        WHERE csr.DELETE_FLAG ='NOT_DELETE'
         <if test="id !=null and id != ''">
             and csr.ID=#{id}
         </if>