更新1

src/views/vent/monitorManager/alarmMonitor/index.vue

@@ -260,7 +260,7 @@
             </div>
             <div class="gas-item">
               <div class="top">
-                <div class="value">{{ gasData.sums1 }}</div>
+                <div class="value">{{ gasData.sums1 !=0 ? gasData.sums1 : '-' }}</div>
                 <div class="title">瓦斯抽采系统监测点</div>
               </div>
               <div class="detail-box">