diff --git a/business/model/store_sku.go b/business/model/store_sku.go
index c75a2f1ce..36a56fe55 100644
--- a/business/model/store_sku.go
+++ b/business/model/store_sku.go
@@ -10,7 +10,7 @@ const (
 )
 
 const (
-	MaxStoreSkuStockQty = 999
+	MaxStoreSkuStockQty = 9999
 )
 
 const (