fix: 更改app列表环比0的描述

src/views/charts2/Panel.vue

@@ -14,7 +14,7 @@
             size="mini"
             v-model="metric"
             placeholder=""
-            v-if="panelType === 1"
+            v-if="panelType === panelTypeAndRouteMapping.networkOverview"
             :popper-append-to-body="false"
             @change="metricChange"
         >
@@ -80,6 +80,7 @@ export default {
   },
   data () {
     return {
+      panelTypeAndRouteMapping,
       metricOptions,
       chartList: [], // 普通panel的chart
       panelLock: true,

src/views/charts2/charts/networkOverview/NetworkOverviewApps.vue

@@ -33,7 +33,7 @@
                   </span>
                   <span v-else>>500.00%</span>
                 </div>
-                <div v-else-if="app.value === '-' || app.value === 0" class="app-card__body-content-percent">0</div>
+                <div v-else-if="app.value === '-' || app.value === 0" class="app-card__body-content-percent">+0.00%</div>
               </div>
             </div>
             <div class="app-card__body-previous">