fix bugs

stmms-biz/src/main/java/cn/com/qmth/stmms/biz/mark/service/Impl/MarkServiceImpl.java

@@ -616,8 +616,9 @@ public class MarkServiceImpl implements MarkService {
                             buildThirdLibrary(library, group);
                         } else {
                             // 两两比较，触发仲裁
-                            history = buildArbitrateHistory(list, group.getArbitrateThreshold(), now);
-                            break;
+                            List<MarkLibrary> libraries = libraryDao.findByStudentIdAndGroupNumber(
+                                    library.getStudentId(), library.getGroupNumber());
+                            history = buildArbitrateHistory(libraries, group.getArbitrateThreshold(), now);
                         }
                     } else {
                         // 未开启三评，触发仲裁