product：优化商品列表的样式、实现代码

(cherry picked from commit 3a9668d632)

src/utils/index.ts

@@ -230,8 +230,9 @@ export const yuanToFen = (amount: string | number): number => {
 /**
  * 分转元
  */
-export const fenToYuan = (amount: string | number): number => {
-  return Number((Number(amount) / 100).toFixed(2))
+export const fenToYuan = (price: string | number): number => {
+  price = Number(price)
+  return (price / 100.0).toFixed(2)
 }
 
 export const treeFormatter = (ary: any, val: string, valueField = 'value', nameField = 'label') => {