diff --git a/src/main/java/com/syjiaer/clinic/server/entity/inventory/dto/PurchaseOrderQuery.java b/src/main/java/com/syjiaer/clinic/server/entity/inventory/dto/PurchaseOrderQuery.java
index c1cf8a0..0fee4aa 100644
--- a/src/main/java/com/syjiaer/clinic/server/entity/inventory/dto/PurchaseOrderQuery.java
+++ b/src/main/java/com/syjiaer/clinic/server/entity/inventory/dto/PurchaseOrderQuery.java
@@ -13,7 +13,7 @@ public class PurchaseOrderQuery extends PageQuery {
     @ApiModelProperty("采购流水号")
     private String code;
     @ApiModelProperty("offset")
-    private String offset;
+    private Integer offset;
     @ApiModelProperty("供应商IDS")
     private List<Integer> supplierIds;
     @ApiModelProperty("采购管理员IDS")