调整考试开始

src/Hotline.Application/Exam/Service/ExamManages/UserExamService.cs

@@ -359,7 +359,7 @@ namespace Hotline.Application.Exam.Service.ExamManages
                 IsJoin = false
             };
 
-            if (userExam.StartTime == null || userExam.ExamStatus == EExamStatus.Complete)
+            if (userExam.ExamStatus == EExamStatus.NoStart || userExam.ExamStatus == EExamStatus.Complete)
                 userExam.StartTime = DateTime.Now;
 
             var startExamViewResponse = await CheckExamValid(userExam, cancellationToken);
@@ -923,7 +923,7 @@ namespace Hotline.Application.Exam.Service.ExamManages
 
             foreach (var addUserExamItemDto in addUserExamItemDtos)
             {
-                var isCorrect = userExamItemOptions.Select(x => x.QuestionOptionId).OrderBy(x => x).SequenceEqual(testPaperOptionIds.OrderBy(x => x));
+                var isCorrect = userExamItemOptions.Where(x=>x.UserExamItemId == addUserExamItemDto.Id).Select(x => x.QuestionOptionId).OrderBy(x => x).SequenceEqual(testPaperOptionIds.OrderBy(x => x));
                 var userExamItem = userExamItems.FirstOrDefault(x => x.QuestionId == addUserExamItemDto.QuestionId);
                 if (userExamItem != null)
                 {