diff --git a/ccic-exam/src/main/java/com/ccic/safeliab/service/ExamPaperServiceImpl.java b/ccic-exam/src/main/java/com/ccic/safeliab/service/ExamPaperServiceImpl.java
index 39d03c5..40d3dea 100644
--- a/ccic-exam/src/main/java/com/ccic/safeliab/service/ExamPaperServiceImpl.java
+++ b/ccic-exam/src/main/java/com/ccic/safeliab/service/ExamPaperServiceImpl.java
@@ -124,7 +124,13 @@ public class ExamPaperServiceImpl extends BaseServiceImpl<ExamPaperMapper, ExamP
         examPapers.setTotalScore(vo.getTotalScore());
         examPapers.setExamDuration(vo.getExamDuration());
         examPapers.setDurationType(vo.getDurationType());
-        examPapers.setPaperContent(vo.getPaperContent());
+
+        if (vo.getPaperContent() == null || vo.getPaperContent().isEmpty()) {
+            examPapers.setPaperContent(" ");
+        } else {
+            examPapers.setPaperContent(vo.getPaperContent());
+        }
+
         return examPapers;
     }
 }
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