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src/main/resources/static/js/shopping/cart.js

@@ -306,12 +306,16 @@ var shoppingCart = new Vue({
                                 }
                             }
                         })
+                    }else{
+                        eligibleCoupons.splice(0,eligibleCoupons.length)
                     }
                 })
             })
             if(eligibleCoupons.length>0){
                 _self.eligibleCoupons.push(eligibleCoupons[0])
                 _self.couponPrice = _self.eligibleCoupons.sort((a,b)=> b.couponAmount - a.couponAmount)[0].couponAmount
+            }else{
+                _self.couponPrice = 0
             }
         },
         cartNumberSub: function(cart){