尝试修复微信领券白屏问题

src/view/home.vue

@@ -29,8 +29,11 @@
                 </div>
             </div>
             <div class="coupon" v-if="promotionImgList.imgUrl">
-                <a v-if="promotionImgList.linkUrl != '' " :href="promotionImgList.linkUrl"><img :src="promotionImgList.imgUrl" /></a>
-                <a v-else href="javascript:void(0)"><img :src="promotionImgList.imgUrl" /></a>
+                    <a v-on:click="openCouponUrl(promotionImgList.linkUrl)">
+                        <img :src="promotionImgList.imgUrl" />
+                    </a>
+<!--                <a v-if="promotionImgList.linkUrl != '' " :href="promotionImgList.linkUrl"><img :src="promotionImgList.imgUrl" /></a>-->
+<!--                <a v-else href="javascript:void(0)"><img :src="promotionImgList.imgUrl" /></a>-->
             </div>
             <!-- TODO: 三种样式 -->
             <!-- one -->
@@ -369,6 +372,11 @@ export default {
         alertHide() {
             this.state = 1;
             this.show = true;
+        },
+        openCouponUrl(url){
+            if(url){
+                window.replace = url;
+            }
         }
     },
     mounted() {
@@ -722,4 +730,4 @@ export default {
         height: 1.74rem;
     }
 }
-</style>
+</style>