订单金额展示保留两位小数

src/pages/Order/components/OrderItem/OrderItem.tsx

@@ -83,7 +83,7 @@ class OrderItem extends Component {
         </View>
         <View
           className={`OrderItem-price ${orderState === '1' ? 'topay' : ''}`}>
-          ￥ {payableMoney}
+          ￥ {payableMoney.toFixed(2)}
         </View>
       </View>
     );