铭牌如果时间为空，处理为null

ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/service/impl/TmNameplateCorpusServiceImpl.java

@@ -221,6 +221,7 @@ public class TmNameplateCorpusServiceImpl extends ServiceImpl<TmNameplateCorpusM
 					Map<String, Object> inputMap2 = new HashMap<>();
 					if(item.getNameplateEndTime() == null){
 						log.info("getNameplateEndTime is null");
+						inputMap2.put("communicateDate", "null");
 					}else 	{
 						ZonedDateTime zonedDateTime = ZonedDateTime.parse(item.getNameplateEndTime().toString());
 						DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
@@ -232,7 +233,6 @@ public class TmNameplateCorpusServiceImpl extends ServiceImpl<TmNameplateCorpusM
 					diFyImageReq2.setUser(ConstantStr.corpus_user);
 
 					inputMap2.put("businessId", item.getCustomerFlowId());
-
 					inputMap2.put("analysisScene", "3");
 					inputMap2.put("version", 2);
 					inputMap2.put("chat", corpusChat);