插件管理优化+订单售后优化

application/index/view/default/orderaftersale/step.html

+<!-- 退款 -->
 <ul class="aftersale-step am-cf am-text-center return-only-money-step {{if empty($new_aftersale_data) or $new_aftersale_data['status'] gt 3 or $new_aftersale_data['type'] eq 1}}none{{/if}}">
     {{if !empty($step_data['step0'])}}
         {{foreach $step_data.step0 as $step}}
@@ -15,6 +16,7 @@
     {{/if}}
 </ul>
 
+<!-- 退货/退款 -->
 <ul class="aftersale-step am-cf am-text-center return-money-goods-step {{if empty($new_aftersale_data) or $new_aftersale_data['status'] gt 3 or $new_aftersale_data['type'] eq 0}}none{{/if}}">
     {{if !empty($step_data['step1'])}}
         {{foreach $step_data.step1 as $step}}