fix

stmms-web/src/main/java/cn/com/qmth/stmms/admin/exam/parameter/ExamMarkerController.java

@@ -267,6 +267,11 @@ public class ExamMarkerController extends BaseParameterController {
             		marker.setSubjectCode("-");
         			marker.setSubjectName("-");
             		list.add(marker);
+            	}else if(query.getSubjectCode()!=null){
+            		ExamSubject subject = subjectService.find(examId, query.getSubjectCode());
+            		marker.setSubjectCode(subject.getCode());
+            		marker.setSubjectName(subject.getCode() + "-" + subject.getName());
+            		list.add(marker);
             	}else{
             		for (ExamSubject subject : marker.getExamSubjects()) {
             			Marker dto = new Marker();