diff --git a/tz/competition/competition-service/src/main/java/com/tz/platform/competitiion/api/biz/CompetitionExamBiz.java b/tz/competition/competition-service/src/main/java/com/tz/platform/competitiion/api/biz/CompetitionExamBiz.java
index ce94399..43210df 100644
--- a/tz/competition/competition-service/src/main/java/com/tz/platform/competitiion/api/biz/CompetitionExamBiz.java
+++ b/tz/competition/competition-service/src/main/java/com/tz/platform/competitiion/api/biz/CompetitionExamBiz.java
@@ -117,6 +117,16 @@ public class CompetitionExamBiz {
         if(task.getExamDuration() == null){
             return Result.error("试卷设置错误");
         }
+
+        long currentTime = System.currentTimeMillis();
+        if(currentTime<task.getExamStartTime().getTime()){
+            return Result.error("考试未开始");
+        }
+
+        if(currentTime>task.getExamEndTime().getTime()){
+            return Result.error("考试已结束");
+        }
+
         if(member.getExamStartTime()!=null){
             ExamDTO dto = new ExamDTO();
             dto.setStartTime(member.getExamStartTime());