chore: 优化价格显示

src/pages/buy/index.vue

@@ -11,7 +11,7 @@
     </van-swipe>
     <div class="item price-item">
       <h6>
-        <span>￥</span>{{details.price_zone || ''}}
+        <span>￥</span>{{priceFormat(details.price_zone)}}
       </h6>
       <p>
         <span class="title">{{details.spu_name || ''}}</span>
@@ -101,6 +101,15 @@ export default {
     }
   },
   methods: {
+    priceFormat(value = '') {
+      if (value.includes('-')) {
+        const [min, max] = value.split('-')
+        if (min === max) {
+          return min
+        }
+      }
+      return value
+    },
     handleVideoClick() {
       const video = this.$refs.video
       if (this.videoPlay) {