update

examcloud-core-oe-admin-service/src/main/java/cn/com/qmth/examcloud/core/oe/admin/service/impl/ExamScoreServiceImpl.java

@@ -865,9 +865,8 @@ public class ExamScoreServiceImpl implements ExamScoreService {
                     // 计算得分
                     String correctAnswer = curQuestion.getCorrectAnswer();
                     String studentAnswer = curQuestion.getStudentAnswer();
-                    // if (correctAnswer != null &&
-                    // QuestionOptionHelper.isEqualAnswer(correctAnswer, studentAnswer)) {
-                    if (correctAnswer != null && correctAnswer.equals(studentAnswer)) {
+                    // if (StringUtils.isNotEmpty(studentAnswer) && QuestionOptionHelper.isEqualAnswer(correctAnswer, studentAnswer)) {
+                    if (StringUtils.isNotEmpty(studentAnswer) && studentAnswer.equals(correctAnswer)) {
                         Double questionScore = curQuestion.getQuestionScore();
                         if (questionScore == null) {
                             log.warn("[calcExamScore] questionScore is null, examRecordDataId:{} questionId:{}",