diff --git a/data/src/main/java/com/sdm/data/model/req/FileSearchReq.java b/data/src/main/java/com/sdm/data/model/req/FileSearchReq.java
index 9e92fc89..14a45f6f 100644
--- a/data/src/main/java/com/sdm/data/model/req/FileSearchReq.java
+++ b/data/src/main/java/com/sdm/data/model/req/FileSearchReq.java
@@ -8,6 +8,7 @@ import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
 
 import javax.annotation.PostConstruct;
+import java.math.BigDecimal;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
@@ -74,7 +75,7 @@ public class FileSearchReq extends BaseReq {
      * 文件大小
      */
     @Schema(description = "文件大小")
-    private Long fileSize;
+    private BigDecimal fileSize;
 
     /**
      * 文件大小单位