是非題時 Correct 改為字串陣列

TEAMModelOS/Controllers/Client/HiTeachController.cs

@@ -586,11 +586,11 @@ namespace TEAMModelOS.Controllers.Client
             {// 如果是是非題 正確答案要用true false的方式設定
                 if (iRSItem.question.exercise.answer[0] == "A")
                 {
-                    learnRecordItem.Correct = true;
+                    learnRecordItem.Correct = new string[] { "true" };
                 }
                 else
                 {
-                    learnRecordItem.Correct = false;
+                    learnRecordItem.Correct = new string[] { "false" }; 
                 }
             }
             else