Merge branch 'feature/exam' into dev

合并冲突

src/Hotline.Api/Controllers/Exam/UserExamController.cs

@@ -38,9 +38,9 @@ namespace Hotline.Api.Controllers.Exam
         /// <param name="startUserExamDto"></param>
         /// <returns></returns>
         [HttpPost(UserExamApiRoute.Start)]
-        public async Task Start([FromBody] StartUserExamDto startUserExamDto)
+        public async Task<StartExamViewResponse> Start([FromBody] StartUserExamDto startUserExamDto)
         {
-            await _userExamService.StartUserExamAsync(startUserExamDto, HttpContext.RequestAborted);
+            return await _userExamService.StartUserExamAsync(startUserExamDto, HttpContext.RequestAborted);
         }
 
         /// <summary>