修改卡格式上传接口，还原科目卡格式类型标记

stmms-web/src/main/java/cn/com/qmth/stmms/api/controller/FileController.java

@@ -336,10 +336,10 @@ public class FileController extends BaseApiController {
                 card.setUpdateTime(new Date());
                 fileService.uploadAnswerCard(ins, md5, examId, card.getNumber());
                 answerCardService.save(card);
-                //                if (subject != null) {
-                //                    subject.setCardType(format);
-                //                    subjectService.save(subject);
-                //                }
+                if (subject != null) {
+                    subject.setCardType(format);
+                    subjectService.save(subject);
+                }
                 uri = fileService.getAnswerCardUri(examId, card.getNumber());
             } else {
                 ins = file.getInputStream();