diff --git a/inventory-web/src/App.vue b/inventory-web/src/App.vue
index 4d81969..8ccbe55 100644
--- a/inventory-web/src/App.vue
+++ b/inventory-web/src/App.vue
@@ -239,7 +239,7 @@ const handleLogout = () => {
     <footer v-if="!isLoginPage" class="app-footer">
       <span class="version-tag">
         <el-icon style="vertical-align: middle; margin-right: 4px"><InfoFilled /></el-icon>
-        当前版本:V3.38
+        当前版本:V3.39
       </span>
     </footer>
 
diff --git a/inventory-web/src/views/outbound/Selection.vue b/inventory-web/src/views/outbound/Selection.vue
index ac1ba97..43959fe 100644
--- a/inventory-web/src/views/outbound/Selection.vue
+++ b/inventory-web/src/views/outbound/Selection.vue
@@ -527,12 +527,14 @@ const totalExportCount = computed(() => {
 // --- BOM 齐套性分析计算属性（使用后端已计算的 current_stock，O(N)，无嵌套循环）---
 const maxBuildableSets = computed(() => {
   if (!currentBomDetail.value?.length) return 0
-  return currentBomDetail.value.reduce((minSets, bomItem: any) => {
+  const result = currentBomDetail.value.reduce((minSets, bomItem: any) => {
     const dosage = parseFloat(bomItem.dosage) || 0
     if (dosage <= 0) return minSets
     const stock = parseFloat(bomItem.current_stock) || 0
     return Math.min(minSets, Math.floor(stock / dosage))
   }, Infinity)
+
+  return result === Infinity ? 0 : result
 })
 
 const shortageList = computed(() => {
@@ -723,8 +725,8 @@ watch(selectedBomNo, async (newBomNo) => {
 const confirmBomAdd = async () => {
   if (!selectedBomNo.value) return ElMessage.warning('请选择 BOM')
 
-  if (allStockData.value.length === 0) {
-    await ensureAllStockLoaded()
+  if (stockList.value.length === 0) {
+    await loadStockList()
   }
 
   if (currentBomDetail.value.length === 0) {
@@ -745,7 +747,7 @@ const confirmBomAdd = async () => {
     const dosage = parseFloat(bomItem.dosage) || 0
     const needQty = dosage * bomSets.value
 
-    const stockCandidate = allStockData.value.find(s =>
+    const stockCandidate = stockList.value.find(s =>
       (s.base_id && s.base_id == bomItem.child_id)
     )