diff --git a/src/views/sales/product/form/step2.vue b/src/views/sales/product/form/step2.vue
index 2b3bfed..dcffa29 100644
--- a/src/views/sales/product/form/step2.vue
+++ b/src/views/sales/product/form/step2.vue
@@ -193,10 +193,11 @@
                         .map((info) => {
                             let row = old.find(
                                 (item) =>
-                                    item.attributeSymbolList.sort().join() === info.attributeSymbolList.sort().join()
+                                    item.attributeSymbolList.sort().join() ===
+                                    [...info.attributeSymbolList].sort().join()
                             );
                             if (row) {
-                                Object.assign(info, row);
+                                Object.assign(info, row, { attributeSymbolList: info.attributeSymbolList });
                             }
                             return info;
                         });