fix

src/main/java/cn/com/qmth/scancentral/service/impl/SubjectServiceImpl.java

@@ -443,7 +443,7 @@ public class SubjectServiceImpl extends MppServiceImpl<SubjectDao, SubjectEntity
             fields[6].setLength(4);
 
             fields[7] = new DBFField();
-            fields[7].setName("Wi");
+            fields[7].setName("Wj");
             fields[7].setType(DBFDataType.NUMERIC);
             fields[7].setLength(2);
 
@@ -730,12 +730,12 @@ public class SubjectServiceImpl extends MppServiceImpl<SubjectDao, SubjectEntity
         QueryWrapper<SubjectEntity> queryWrapper = new QueryWrapper<>();
         queryWrapper.lambda().eq(SubjectEntity::getExamId, examId);
         queryWrapper.lambda().eq(SubjectEntity::getName, subjectName);
-        SubjectEntity subject =  this.getOne(queryWrapper);
+        SubjectEntity subject = this.getOne(queryWrapper);
         if (subject != null) {
             throw new ParameterException("科目代码在本考试中已存在");
         }
-        subject = this.findByExamIdAndCode(examId,subjectCode);
-        if(subject == null){
+        subject = this.findByExamIdAndCode(examId, subjectCode);
+        if (subject == null) {
             throw new ParameterException("subject不存在");
         }
         subject.setName(subjectName);