diff --git a/jshERP-boot/src/main/java/com/jsh/erp/service/depotItem/DepotItemService.java b/jshERP-boot/src/main/java/com/jsh/erp/service/depotItem/DepotItemService.java
index f43e664a..eb5c3dae 100644
--- a/jshERP-boot/src/main/java/com/jsh/erp/service/depotItem/DepotItemService.java
+++ b/jshERP-boot/src/main/java/com/jsh/erp/service/depotItem/DepotItemService.java
@@ -1216,7 +1216,8 @@ public class DepotItemService {
     }
 
     public BigDecimal getCurrentStockByParam(Long depotId, Long mId) {
-        return depotItemMapperEx.getCurrentStockByParam(depotId, mId);
+        BigDecimal stock = depotItemMapperEx.getCurrentStockByParam(depotId, mId);
+        return stock!=null? stock: BigDecimal.ZERO;
     }
 
 }