Check whether the inventory has been deducted when creating a payment or completing the order.

modules/EasyAbp.EShop.Orders/src/EasyAbp.EShop.Orders.Domain/EasyAbp/EShop/Orders/Orders/OrderManager.cs

@@ -43,7 +43,7 @@ namespace EasyAbp.EShop.Orders.Orders
 
         public virtual async Task<Order> CompleteAsync(Order order)
         {
-            if (order.CompletionTime.HasValue)
+            if (order.CompletionTime.HasValue || !order.ReducedInventoryAfterPaymentTime.HasValue)
             {
                 throw new OrderIsInWrongStageException(order.Id);
             }

modules/EasyAbp.EShop.Payments/src/EasyAbp.EShop.Payments.Application/EasyAbp/EShop/Payments/Payments/BasicPaymentCreationAuthorizationHandler.cs

@@ -14,7 +14,10 @@ namespace EasyAbp.EShop.Payments.Payments
         protected override Task HandlePaymentCreationAsync(AuthorizationHandlerContext context,
             PaymentOperationAuthorizationRequirement requirement, PaymentCreationResource resource)
         {
-            if (resource.Orders.Any(order => order.PaymentId.HasValue || order.PaidTime.HasValue))
+            if (resource.Orders.Any(order =>
+                !order.ReducedInventoryAfterPlacingTime.HasValue ||
+                order.PaymentId.HasValue ||
+                order.PaidTime.HasValue))
             {
                 context.Fail();
                 return Task.CompletedTask;