diff --git a/src/api/product.js b/src/api/product.js
index 51f1430..ef907f3 100644
--- a/src/api/product.js
+++ b/src/api/product.js
@@ -124,13 +124,13 @@ export default {
   /**
    * 保存商品的属性值
    */
-  saveProductAttributes(productId, attrs) {
+  saveProductAttributes(productId, categoryId, attrs) {
     const token = uni.getStorageSync('token')
     return new Promise((resolve, reject) => {
       uni.request({
         url: `${import.meta.env.VITE_API_BASE_URL}/products/${productId}/attributes`,
         method: 'POST',
-        data: attrs,
+        data: { categoryId: categoryId, attributes: attrs },
         header: {
           'Content-Type': 'application/json',
           'Authorization': token ? `Bearer ${token}` : ''
diff --git a/src/pages/product/manage.vue b/src/pages/product/manage.vue
index f13989b..f91b1c4 100644
--- a/src/pages/product/manage.vue
+++ b/src/pages/product/manage.vue
@@ -253,7 +253,7 @@ export default {
           uni.showToast({ title: '创建成功', icon: 'success' })
         }
         
-        // 保存商品属性值
+        // 保存商品属性值（包含公式自动计算）
         if (productId && this.categoryAttributes.length > 0) {
           const attrs = this.categoryAttributes.map((attr, idx) => ({
             attrId: attr.attrId,
@@ -262,7 +262,7 @@ export default {
           })).filter(a => a.attrValue)
           
           if (attrs.length > 0) {
-            await productApi.saveProductAttributes(productId, attrs)
+            await productApi.saveProductAttributes(productId, this.form.categoryId, attrs)
           }
         }