diff --git a/BBWYB.Client/ViewModels/Ware/BindingPurchaseProductViewModel.cs b/BBWYB.Client/ViewModels/Ware/BindingPurchaseProductViewModel.cs
index 8bf6aa2..0735a59 100644
--- a/BBWYB.Client/ViewModels/Ware/BindingPurchaseProductViewModel.cs
+++ b/BBWYB.Client/ViewModels/Ware/BindingPurchaseProductViewModel.cs
@@ -292,7 +292,7 @@ namespace BBWYB.Client.ViewModels
             }
             else if (productSku.SelectedPurchaseScheme.PurchaseSchemeProductList.Count >= 4)
             {
-                MessageBox.Show("该采购方案的商品数量已达上限(5)");
+                MessageBox.Show("该采购方案的商品数量已达上限(4)");
                 return;
             }