diff --git a/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/service/impl/ClaimVerificationServiceImpl.java b/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/service/impl/ClaimVerificationServiceImpl.java
index 32a0c09..8430cc9 100644
--- a/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/service/impl/ClaimVerificationServiceImpl.java
+++ b/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/service/impl/ClaimVerificationServiceImpl.java
@@ -225,9 +225,9 @@ public class ClaimVerificationServiceImpl implements ClaimVerificationService {
     private JSONObject buildAuditToDify(String configDataString, ClaimVerificationFileDTO claimVerificationFileAnalysisDTO) {
         JSONObject audit = new JSONObject();
         audit.put("analysisRules", configDataString);
-        audit.put("diagnosticReport", claimVerificationFileAnalysisDTO.getDiagnosticReport().toString());
-        audit.put("preCheckReport", claimVerificationFileAnalysisDTO.getPreCheckReport().toString());
-        audit.put("dtcReport", claimVerificationFileAnalysisDTO.getDtcReport().toString());
+        audit.put("diagnosticReport", claimVerificationFileAnalysisDTO.getDiagnosticReport() == null ? " " :claimVerificationFileAnalysisDTO.getDiagnosticReport().toString());
+        audit.put("preCheckReport", claimVerificationFileAnalysisDTO.getPreCheckReport() == null ? " " :claimVerificationFileAnalysisDTO.getPreCheckReport().toString());
+        audit.put("dtcReport", claimVerificationFileAnalysisDTO.getDtcReport() == null ? " " :claimVerificationFileAnalysisDTO.getDtcReport().toString());
 
         //脱敏处理
         List<DataMaskingRule> maskingRuleItems = dataMaskingRuleService.getDataMaskingRuleListByApplicationChannel(Constant.CHANNEL_DCC);