fix

src/main/resources/application.properties

@@ -17,6 +17,7 @@ scan.server.url=http://localhost:9099
 scan.tool.schoolId=
 scan.tool.schoolName=
 scan.tool.exam-id=2
+scan.tool.subject-code=
 scan.tool.year=22
 scan.tool.year.half=1
 #file path