update

stmms-web/src/main/java/cn/com/qmth/stmms/admin/thread/OnlineExamThread.java

@@ -257,7 +257,7 @@ public class OnlineExamThread implements Runnable {
                         q.setPaperType("#");
                         q.setObjective(false);
                         q.setMainNumber(mainNumber);
-                        String subNumber = sub.getString("number") + "_" + question.getString("number");
+                        String subNumber = sub.getString("number") + "-" + question.getString("number");
                         q.setSubNumber(subNumber);
                         q.setMainTitle(mainTitle);
                         q.setGroupNumber(1);