修改bug

zd-modules/zd-exam/src/main/java/com/zd/exam/service/impl/ElPaperServiceImpl.java

@@ -394,7 +394,7 @@ public class ElPaperServiceImpl implements IElPaperService {
                     }*/
 
                     // 考试完成添加换算记录
-                  if(paper.getUserScore() == null && paper.getUserScore() > 0){
+                  if(paper.getUserScore() != null && paper.getUserScore() > 0){
                       ElConvertRecord elConvertRecord = new ElConvertRecord();
                       elConvertRecord.setType(ConvertType.EXAMPAPER);
                       // 此处业务ID 为试卷ID