Merge remote-tracking branch 'origin/dev' into dev

snowy-plugin/snowy-plugin-exam/snowy-plugin-exam-func/src/main/java/vip/xiaonuo/exam/service/impl/QuestionServiceImpl.java

@@ -104,7 +104,7 @@ public class QuestionServiceImpl extends BaseServiceImpl<Question> implements Qu
         question.setStatus(QuestionStatusEnum.OK.getCode());
         question.setCorrectFromVM(model.getCorrect(), model.getCorrectArray());
         int score = 0;
-        if(model.getScore() != null){
+        if(model.getScore() != null && !model.getScore().isEmpty()){
             score = ExamUtil.scoreFromVM(model.getScore());
         }
         question.setScore(score);