增加查询，不存在某种类型班级的学生

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

@@ -128,8 +128,8 @@ public class StudentRegistrationController extends BaseController {
     @GetMapping("/getMusicGroupStuNoClassType")
     @PreAuthorize("@pcs.hasPermissions('studentRegistration/getMusicGroupStuNoClassType')")
     @ApiImplicitParams({@ApiImplicitParam(name = "musicGroupId", value = "乐团编号", required = true, dataType = "String"),
-            @ApiImplicitParam(name = "type", value = "类型(MIX，HIGH)", required = true, dataType = "String"),
-            @ApiImplicitParam(name = "actualSubjectId", value = "科目(声部)id,", required = false, dataType = "ClassGroupTypeEnum")})
+            @ApiImplicitParam(name = "type", value = "类型(MIX，HIGH)", required = true, dataType = "ClassGroupTypeEnum"),
+            @ApiImplicitParam(name = "actualSubjectId", value = "科目(声部)id,", required = false, dataType = "int")})
     public HttpResponseResult getMusicGroupStuNoClassType(String musicGroupId, ClassGroupTypeEnum type, Integer actualSubjectId) {
         return succeed(studentRegistrationService.findMusicGroupStuNoClassType(musicGroupId, type,actualSubjectId));
     }