更新question时判断是否需要更新分数

cqb-question-resource/src/main/java/com/qmth/cqb/question/service/QuesService.java

@@ -53,9 +53,11 @@ public class QuesService {
             question.setUpdateTime(now);
             return quesRepo.save(question);
         }
+        if (question.getScore() != null) {
+            saveQues.setScore(question.getScore());
+        }
         saveQues.setQuesAnswer(question.getQuesAnswer());
         saveQues.setQuesAnswerAnalysis(question.getQuesAnswerAnalysis());
-        saveQues.setScore(question.getScore());
         saveQues.setQuesBody(question.getQuesBody());
         if (question.getQuesOptions() != null && question.getQuesOptions().size() > 0) {
             List<QuesOption> quesOptions = question.getQuesOptions();