diff --git a/src/main/java/com/ffii/fpsms/modules/productProcess/service/ProductProcessService.kt b/src/main/java/com/ffii/fpsms/modules/productProcess/service/ProductProcessService.kt
index 3bfe046..6841cfa 100644
--- a/src/main/java/com/ffii/fpsms/modules/productProcess/service/ProductProcessService.kt
+++ b/src/main/java/com/ffii/fpsms/modules/productProcess/service/ProductProcessService.kt
@@ -695,7 +695,7 @@ val sufficientStockQty = bomMaterials
                     // ✅ 获取 req UOM - 对于 reqQty，使用 bomMaterial.uom（BOM 的 UOM）
                     // ✅ 对于 stockReqQty，使用 line.uom（库存单位，已按比例调整）
                     val reqUomId = bomMaterial?.uom?.id ?: line.uom?.id ?: 0L  // BOM 的 UOM
-                    val stockReqUomId = line.uom?.id ?: bomMaterial?.salesUnit?.id ?: 0L  // 库存单位 UOM
+                    val stockReqUomId = line.uom?.id ?: bomMaterial?.stockUnit?.toLong() ?: 0L // 库存单位 UOM
                     
                     val reqUom = reqUomId.takeIf { it > 0 }?.let { uomConversionRepository.findByIdAndDeletedFalse(it) }
                     val uomName = reqUom?.udfudesc
@@ -709,7 +709,7 @@ val sufficientStockQty = bomMaterials
                     
                     println("=== Quantity Calculation for Item: ${line.item?.code} (id=$itemId) ===")
                     println("JobOrderBomMaterial reqQty (adjusted, stock unit): $actualReqQty in UOM: ${stockReqUom?.udfudesc} (id=$stockReqUomId)")
-                    println("BomMaterial qty (base): ${bomMaterial?.qty}, saleQty (base): ${bomMaterial?.saleQty}")
+                    println("BomMaterial qty (base): ${bomMaterial?.qty}, stockQty (base): ${bomMaterial?.stockQty}")
                     println("Original stockQty: $stockQtyValue in UOM: $stockUomNameForStock (id=$stockUomId)")
                     
                     val jobOrder = jobOrderRepository.findById(joid).orElse(null)
@@ -724,8 +724,8 @@ val sufficientStockQty = bomMaterials
                     // ✅ reqQty 使用 bomMaterial.qty * proportion（BOM 单位）
                     val reqQtyInBomUnit = (bomMaterial?.qty?.times(proportion) ?: BigDecimal.ZERO)
                     
-                    // ✅ stockReqQty 使用 bomMaterial.saleQty * proportion（库存单位，已按比例调整）
-                    val stockReqQtyInStockUnit = (bomMaterial?.saleQty?.times(proportion) ?: BigDecimal.ZERO)
+                    // ✅ stockReqQty 使用 bomMaterial.stockQty * proportion（库存单位，已按比例调整）
+                    val stockReqQtyInStockUnit = (bomMaterial?.stockQty?.times(proportion) ?: BigDecimal.ZERO)
                     
                     // ✅ Convert reqQty (BOM unit) to base unit
                     val baseReqQtyResult = if (reqUomId > 0 && reqQtyInBomUnit > BigDecimal.ZERO) {
@@ -851,7 +851,7 @@ val sufficientStockQty = bomMaterials
                         baseReqQty = baseReqQty,
                         
                         stockQty = stockQty,
-                        // ✅ stockReqQty：使用 bomMaterial.saleQty * proportion（库存单位，已按比例调整）
+                        // ✅ stockReqQty：使用 bomMaterial.stockQty * proportion（库存单位，已按比例调整）
                         stockReqQty = if (stockReqUomId in decimalUomIds) {
                             stockReqQtyInStockUnit.toDouble()
                         } else {