diff --git a/inventory-web/src/views/stock/inbound/buy.vue b/inventory-web/src/views/stock/inbound/buy.vue
index d5d4fac..a188c0c 100644
--- a/inventory-web/src/views/stock/inbound/buy.vue
+++ b/inventory-web/src/views/stock/inbound/buy.vue
@@ -1294,10 +1294,20 @@ const updateInspectionRules = () => {
 const validateUnique = (rule: any, value: string, callback: any) => {
   if (!value) return callback()
   const currentId = form.id != null ? Number(form.id) : null
+  console.log('[validateUnique] rule.field=', rule.field, 'value=', value, 'form.id=', form.id, 'currentId=', currentId, 'dialogStatus=', dialogStatus.value)
   const isDuplicate = tableData.value.some((row: any) => {
-    if (dialogStatus.value === 'update' && currentId != null && Number(row.id) === currentId) return false
-    if (rule.field === 'serial_number' && row.serial_number === value) return true
-    if (rule.field === 'batch_number' && row.batch_number === value && row.base_id === form.base_id) return true
+    const rowId = Number(row.id)
+    const isSelf = dialogStatus.value === 'update' && currentId != null && rowId === currentId
+    if (rule.field === 'serial_number' && row.serial_number === value) {
+      if (isSelf) { console.log('[validateUnique] 跳过自身 SN, row.id=', row.id, 'rowId=', rowId); return false }
+      console.log('[validateUnique] SN匹配! row.id=', row.id, 'row.serial_number=', row.serial_number, 'value=', value)
+      return true
+    }
+    if (rule.field === 'batch_number' && row.batch_number === value && row.base_id === form.base_id) {
+      if (isSelf) { console.log('[validateUnique] 跳过自身 批号, row.id=', row.id); return false }
+      console.log('[validateUnique] 批号匹配! row.id=', row.id)
+      return true
+    }
     return false
   })
   if (isDuplicate) callback(new Error('当前列表页存在相同编号(后端将进行全局校验)'))