结构调整

TEAMModelOS/Models/SchoolInfo/ExamInfo.cs

@@ -27,6 +27,7 @@ namespace TEAMModelOS.Models.SchoolInfo
             grades = new List<Grade>();
             subjects = new List<Subject>();
             papers = new List<PaperSimple>();
+            targetClassIds = new List<string>();
         }
         [JsonProperty(PropertyName = "id")]
         public string id { get; set; }
@@ -89,6 +90,7 @@ namespace TEAMModelOS.Models.SchoolInfo
         public string name { get; set; }
         public string blob { get; set; }
         public string scope { get; set; }
+        public string multipleRule { get; set; }
         //该试卷配分情况
         public List<double> point { get; set; }
         public List<List<string>> ans { get; set; }