diff --git a/afis-recall-api/src/main/java/com/wabestway/recall/api/dto/TraceUpDTO.java b/afis-recall-api/src/main/java/com/wabestway/recall/api/dto/TraceUpDTO.java
index 64e0f81..8034aa0 100644
--- a/afis-recall-api/src/main/java/com/wabestway/recall/api/dto/TraceUpDTO.java
+++ b/afis-recall-api/src/main/java/com/wabestway/recall/api/dto/TraceUpDTO.java
@@ -7,7 +7,7 @@ import java.util.List;
 @Data
 public class TraceUpDTO {
     private String batchId;
-    private long batchTime;
+    private Long batchTime;
     List<TraceRecord> records;
 }