diff --git a/static/js/app.js b/static/js/app.js
index 9c78e5b..3e917b8 100644
--- a/static/js/app.js
+++ b/static/js/app.js
@@ -18229,7 +18229,8 @@ function pendingDetail(productCode) {
             container.innerHTML = '<div style="text-align:center;padding:24px;color:var(--text-light)">暂无包材物料清单</div>';
             return;
         }
-        var formalQty = item.formal_order_qty || 0;
+        var productSuggestedQty = Number(item.suggested_qty) || 0;
+        var productInTransit = (Number(p['生产在途']) || 0) + (Number(p['采购在途']) || 0);
         // 读取已保存的包材实际下单数量
         var savedBomActuals = {};
         var savedBomRemarks = {};
@@ -18262,8 +18263,13 @@ function pendingDetail(productCode) {
             '</tr></thead><tbody>';
         bom.forEach(function(b) {
             var matCode = escHtml(b.material_code || '');
-            var qty = b.bom_qty || 0;
-            var orderQty = Math.ceil(formalQty * qty);
+            var qty = Number(b.bom_qty) || 0;
+            var orderQty = Math.max(0, Math.ceil(
+                (productSuggestedQty - productInTransit) * qty
+                - (Number(b.available_qty) || 0)
+                - (Number(b.production_in_transit) || 0)
+                - (Number(b.purchase_in_transit) || 0)
+            ));
             // 使用已保存的实际下单数量（包括0），没有保存则用建议值
             var actualQty = b.material_code in savedBomActuals ? (savedBomActuals[b.material_code] || 0) : orderQty;
             tableHtml += '<tr>' +