fix(商品详情): 调整商品列表埋点的I_INDEX以1开始

@@ -391,16 +391,16 @@ export default {
         let productElList = document.querySelectorAll('.product-list-item');
 
         if (productElList && productElList.length > 0) {
-          this.recommend.forEach((item, idx) => {
-            if (productElList[idx] && item) {
-              const id = `productItem${idx}`;
+          this.recommend.forEach((item, i) => {
+            if (productElList[i] && item) {
+              const id = `productItem${i}`;
 
               this.yasTargets[id] = {
                 el: {
-                  offsetTop: productElList[idx].offsetTop,
-                  offsetHeight: productElList[idx].offsetHeight,
+                  offsetTop: productElList[i].offsetTop,
+                  offsetHeight: productElList[i].offsetHeight,
                 },
-                yasParams: {...this.recommendYasParams, I_INDEX: idx, PRD_SKN: item.id},
+                yasParams: {...this.recommendYasParams, I_INDEX: i + 1, PRD_SKN: item.id},
               };
             }
           });