update

mec-biz/src/main/resources/config/mybatis/StudentManageDao.xml

@@ -457,7 +457,7 @@
                 AND sa.status_ = #{signStatus}
             </if>
             <if test="userName != null">
-                AND su.username_ = LIKE CONCAT('%',#{userName},'%')
+                AND su.username_ LIKE CONCAT('%',#{userName},'%')
             </if>
         </where>
     </sql>

mec-web/src/main/java/com/ym/mec/web/controller/StudentManageController.java

@@ -76,7 +76,6 @@ public class StudentManageController extends BaseController {
     @GetMapping("/queryMusicGroupStudentsSign")
     @PreAuthorize("@pcs.hasPermissions('studentManage/queryMusicGroupStudentsSign')")
     public Object queryMusicGroupStudentsSign(StudentSignQueryInfo queryInfo){
-        StudentAttendance
         return succeed(studentManageService.queryMusicGroupStudentsSign(queryInfo));
     }