diff --git a/openhis-server-new/openhis-application/src/main/java/com/openhis/web/inventorymanage/appservice/impl/PurchaseInventoryAppServiceImpl.java b/openhis-server-new/openhis-application/src/main/java/com/openhis/web/inventorymanage/appservice/impl/PurchaseInventoryAppServiceImpl.java
index 134ba64e..de79ef27 100644
--- a/openhis-server-new/openhis-application/src/main/java/com/openhis/web/inventorymanage/appservice/impl/PurchaseInventoryAppServiceImpl.java
+++ b/openhis-server-new/openhis-application/src/main/java/com/openhis/web/inventorymanage/appservice/impl/PurchaseInventoryAppServiceImpl.java
@@ -7,6 +7,8 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashSet;
 import java.util.List;
+import java.util.Map;
+import java.util.Set;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;