diff --git a/web/src/main/java/com/ibeetl/jlw/service/TeacherOpenCourseStudentSigninLogService.java b/web/src/main/java/com/ibeetl/jlw/service/TeacherOpenCourseStudentSigninLogService.java
index 3a22e0ee..40155dba 100644
--- a/web/src/main/java/com/ibeetl/jlw/service/TeacherOpenCourseStudentSigninLogService.java
+++ b/web/src/main/java/com/ibeetl/jlw/service/TeacherOpenCourseStudentSigninLogService.java
@@ -205,8 +205,8 @@ public class TeacherOpenCourseStudentSigninLogService extends CoreBaseService<Te
         entity.setTeacherOpenCourseStudentSigninSettingId(signinSetting.getTeacherOpenCourseStudentSigninSettingId());
         Assert.isTrue(ObjectUtil.isEmpty(teacherOpenCourseStudentSigninLogDao.template(entity)), "该学生已经签到过了！");
 
-        Student student = studentDao.createLambdaQuery().andEq(Student::getStudentId, signinDTO.getStudentId()).single();
-
+        // 查询学生在哪个班级
+        Student student = studentDao.createLambdaQuery().andEq(Student::getStudentId, signinDTO.getStudentId()).single("class_id");
 
         // 判断是否加入到这个课程中
         long teacherOpenCourseInCount = teacherOpenCourseMergeSchoolClassDao.createLambdaQuery()