fix:回退商品列表部分代码

coupon/couponCollection.html

@@ -332,7 +332,10 @@
             },
 
             backHandler () {
-                window.location.replace(localStorage.getItem('entryLink'))
+                let backUrl = window.history.length;
+                if (window.history.length) {
+                    history.go(-backUrl + 1);
+                }
             },
 
             // 单条弹框