Merge branch 'stmms_ft_dev' into test_20181225

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

@@ -317,7 +317,7 @@ public class ArbitrateController extends BaseExamController {
 
             status.accumulate("totalCount", totalCount);
             status.accumulate("markedCount", markedCount);
-            status.accumulate("valid", totalCount > 0);
+            status.accumulate("valid", (totalCount + markedCount) > 0);
         } else {
             status.accumulate("valid", false);
         }