diff --git a/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/service/impl/TmNameplateCorpusServiceImpl.java b/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/service/impl/TmNameplateCorpusServiceImpl.java
index 7f89870..2f5e41b 100644
--- a/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/service/impl/TmNameplateCorpusServiceImpl.java
+++ b/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/service/impl/TmNameplateCorpusServiceImpl.java
@@ -181,7 +181,7 @@ public class TmNameplateCorpusServiceImpl extends ServiceImpl<TmNameplateCorpusM
 				diFyImageReq2.setUser(ConstantStr.corpus_user);
 				Map<String, Object> inputMap2 = new HashMap<>();
 				inputMap2.put("businessId",item.getCustomerFlowId());
-				inputMap2.put("communicateDate",item.getNameplateEndTime());
+				inputMap2.put("communicateDate",item.getNameplateEndTime().toString());
 				inputMap2.put("analysisScene", "3");
 				inputMap2.put("version",2);
 				inputMap2.put("chat",JSONObject.toJSONString(corpusReportDTO));