no message

src/pages/detailsNew.vue

@@ -244,10 +244,12 @@
                 ></calendar>
             </q-popup-proxy>
           </q-field>
+          <template v-if="currentPrice.startDate">
             <order-preview class="q-pa-md"
               :price="currentPrice"
               @reset="resetHandler"
             ></order-preview>
+          </template>
         </div>
         
         <div class="text-h6 q-pt-lg" v-if="$q.platform.is.mobile">所選方案詳情</div>
@@ -734,6 +736,7 @@ export default {
       //console.log(e)
     },
     resetHandler() {
+      this.currentPrice.startDate = ''
       this.$refs.calendar.reset();
     },
     changeChosenDateHandler(val) {