....

examcloud-core-basic-service/src/main/java/cn/com/qmth/examcloud/core/basic/service/impl/AuthServiceImpl.java

@@ -107,6 +107,10 @@ public class AuthServiceImpl implements AuthService {
 						rootOrg.getId());
 			}
 
+			if (null == student) {
+				throw new StatusException("B-001110", "学生不存在");
+			}
+
 			user.setUserType(UserType.STUDENT.getCode());
 			user.setStudentId(student.getId());
 			user.setStudentCode(student.getStudentCode());