feat: something

hnqz-upms/hnqz-upms-biz/src/main/java/com/qunzhixinxi/hnqz/admin/controller/ApiController.java

@@ -4023,7 +4023,7 @@ public class ApiController {
 
 					finalMark = historyResult.getQuizResult().getFinalMark();
 					expiryDate = historyResult.getExpiry().format(DatePattern.NORM_DATE_FORMATTER);
-					valid = today.isAfter(historyResult.getExpiry());
+					valid = today.isBefore(historyResult.getExpiry());
 				}
 
 				history.put("quiz", quiz);