diff --git a/src/main/java/club/joylink/rtss/services/paper/PaperUserCreateService.java b/src/main/java/club/joylink/rtss/services/paper/PaperUserCreateService.java
index 22ca796e3..2124b20b0 100644
--- a/src/main/java/club/joylink/rtss/services/paper/PaperUserCreateService.java
+++ b/src/main/java/club/joylink/rtss/services/paper/PaperUserCreateService.java
@@ -64,7 +64,9 @@ public class PaperUserCreateService {
         PaperExceptionAssert.PcExisted.assertNotNull(composition, "创建试卷的试卷定义不存在，pcId = " + pcId);
         PaperExceptionAssert.PcCanCreatePu.assertTrue(!PaperCompositionState.Editing.equals(PaperCompositionState.getItem(composition.getState())), "编辑中的试卷定义无法用于生成用户试卷，pcId = " + pcId);
         LocalDateTime now = LocalDateTime.now();
-        PaperExceptionAssert.PcCanCreatePu.assertTrue(now.isAfter(composition.getStartTime()) && now.isBefore(composition.getEndTime()), "当前时间未在试卷启用时间内，不能创建试卷");
+        if (null != composition.getStartTime() && null != composition.getEndTime()) {
+            PaperExceptionAssert.PcCanCreatePu.assertTrue(now.isAfter(composition.getStartTime()) && now.isBefore(composition.getEndTime()), "当前时间未在试卷启用时间内，不能创建试卷");
+        }
         // 试卷蓝图规则
         List<PaperRule> ruleList = compositionService.findRuleByPcId(pcId);
         PaperExceptionAssert.PcHavePr.assertCollectionNotEmpty(ruleList, "试卷定义没有规则定义，无法生成用户试卷，pcId = " + pcId);