增加优惠券可用张数

@@ -85,6 +85,11 @@
                 <a href="{{#if isLimit}}javascript:void(0);{{else}}/cart/index/selectCoupon{{/if}}">
                     <span class="title">优惠券</span>
                     {{# coupon}}
+                    {{#if count}}
+                    <span class="coupon-count">
+                        {{count}}张可用
+                    </span>
+                    {{/if}}
                     {{#if couponName}}
                     <span class="used coupon-use" data-name="{{couponName}}">
                         {{couponName}}
@@ -168,4 +173,4 @@
     </div>
     {{/ orderEnsure}}
 </div>
-{{> layout/footer}}
\ No newline at end of file
+{{> layout/footer}}