diff --git a/chat-server/src/main/java/com/bjtds/brichat/entity/dataset/TDatasetFiles.java b/chat-server/src/main/java/com/bjtds/brichat/entity/dataset/TDatasetFiles.java
index 242a4f2..b953a68 100644
--- a/chat-server/src/main/java/com/bjtds/brichat/entity/dataset/TDatasetFiles.java
+++ b/chat-server/src/main/java/com/bjtds/brichat/entity/dataset/TDatasetFiles.java
@@ -1,6 +1,9 @@
 package com.bjtds.brichat.entity.dataset;
 
 import com.baomidou.mybatisplus.annotation.TableLogic;
+import com.bjtds.brichat.util.LocalDateTimeDeserializer;
+import com.fasterxml.jackson.annotation.JsonFormat;
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 import lombok.*;
 
 import java.time.LocalDateTime;
@@ -29,6 +32,7 @@ public class TDatasetFiles {
     /**
      * 类型: file-文件, folder-文件夹
      */
+    private String content;
 
     private String type;
     
@@ -55,11 +59,15 @@ public class TDatasetFiles {
     /**
      * 创建时间
      */
+
+    @JsonDeserialize(using = LocalDateTimeDeserializer.class)
     private LocalDateTime createdAt;
     
     /**
      * 最后更新时间
      */
+
+    @JsonDeserialize(using = LocalDateTimeDeserializer.class)
     private LocalDateTime updatedAt;
     
     /**
diff --git a/chat-server/src/main/java/com/bjtds/brichat/service/impl/EsTDatasetFilesServiceImpl.java b/chat-server/src/main/java/com/bjtds/brichat/service/impl/EsTDatasetFilesServiceImpl.java
index 0cb95e1..bbe2f27 100644
--- a/chat-server/src/main/java/com/bjtds/brichat/service/impl/EsTDatasetFilesServiceImpl.java
+++ b/chat-server/src/main/java/com/bjtds/brichat/service/impl/EsTDatasetFilesServiceImpl.java
@@ -96,6 +96,7 @@ public class EsTDatasetFilesServiceImpl implements EsTDatasetFilesService {
                                     doc.getId(),
                                     doc.getName(),
                                     chunk,
+                                    doc.getType(),
                                     doc.getParentId(),
                                     doc.getPath(),
                                     doc.getSize(),
@@ -135,6 +136,7 @@ public class EsTDatasetFilesServiceImpl implements EsTDatasetFilesService {
                         doc.getId(),
                         doc.getName(),
                         content,
+                        doc.getType(),
                         doc.getParentId(),
                         doc.getPath(),
                         doc.getSize(),
@@ -253,6 +255,7 @@ public class EsTDatasetFilesServiceImpl implements EsTDatasetFilesService {
                     : lower + (rawScore - minScore) / (maxScore - minScore) * (upper - lower);
 
             String content = String.join(" ... ", hit.highlight().getOrDefault("content", Collections.emptyList()));
+            System.out.println("content: " + content);
             String datasetName = tUserDatasetMapper.getDatasetName(d.getDifyDatasetId());
             RetrievalDto retrievalDto = new RetrievalDto(
                     d.getId() != null ? d.getId().toString() : null,
diff --git a/chat-server/src/main/java/com/bjtds/brichat/util/LocalDateTimeDeserializer.java b/chat-server/src/main/java/com/bjtds/brichat/util/LocalDateTimeDeserializer.java
new file mode 100644
index 0000000..697850f
--- /dev/null
+++ b/chat-server/src/main/java/com/bjtds/brichat/util/LocalDateTimeDeserializer.java
@@ -0,0 +1,26 @@
+package com.bjtds.brichat.util;
+
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.JsonDeserializer;
+import com.fasterxml.jackson.databind.JsonNode;
+
+import java.io.IOException;
+import java.time.LocalDateTime;
+
+public class LocalDateTimeDeserializer extends JsonDeserializer<LocalDateTime> {
+    @Override
+    public LocalDateTime deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
+        JsonNode node = p.getCodec().readTree(p);
+
+        int year = node.path("year").asInt();
+        int month = node.path("monthValue").asInt();
+        int day = node.path("dayOfMonth").asInt();
+        int hour = node.path("hour").asInt();
+        int minute = node.path("minute").asInt();
+        int second = node.path("second").asInt();
+        int nano = node.path("nano").asInt();
+
+        return LocalDateTime.of(year, month, day, hour, minute, second, nano);
+    }
+}