学生成绩初始化为-1

TEAMModelFunction/MonitorCosmosDB.cs

@@ -102,7 +102,7 @@ namespace TEAMModelFunction
                                         foreach (double p in exams[i].papers[j].point)
                                         {
                                             ans.Add(new List<string>());
-                                            ansPoint.Add(0);
+                                            ansPoint.Add(-1);
                                         }
                                         foreach (StudentSimple stu in classroom.students)
                                         {