diff --git a/src/main/java/com/supervision/police/service/impl/ChatServiceImpl.java b/src/main/java/com/supervision/police/service/impl/ChatServiceImpl.java
index a613c1d..69c28ef 100644
--- a/src/main/java/com/supervision/police/service/impl/ChatServiceImpl.java
+++ b/src/main/java/com/supervision/police/service/impl/ChatServiceImpl.java
@@ -292,7 +292,7 @@ public class ChatServiceImpl implements ChatService {
             answerMap.put("indexType", modelIndex.getIndexType());
             answerMap.put("result", Boolean.parseBoolean(indexDetail.getIndexResult()) ? "符合" : "不符合");
             List<Map<String, String>> qaSplitList = new ArrayList<>();
-            if (!indexDetail.getChildren().isEmpty()) {
+            if (CollUtil.isNotEmpty(indexDetail.getChildren())) {
                 indexDetail.getChildren().forEach(atomicIndexDTO -> {
                     if (!atomicIndexDTO.getRecordSegmentationList().isEmpty()) {
                         atomicIndexDTO.getRecordSegmentationList().forEach(split -> {
@@ -310,7 +310,7 @@ public class ChatServiceImpl implements ChatService {
             }
             answerMap.put("qaSplitList", qaSplitList);
             List<Map<String, String>> evidenceList = new ArrayList<>();
-            if (!indexDetail.getChildren().isEmpty()) {
+            if (CollUtil.isNotEmpty(indexDetail.getChildren())) {
                 indexDetail.getChildren().forEach(atomicIndexDTO -> {
                     if (!atomicIndexDTO.getEvidentResultList().isEmpty()) {
                         atomicIndexDTO.getEvidentResultList().forEach(evidentIndexResultDTO -> {