fix: 修正npm-dashboard的tab的活动条的偏差

src/views/charts2/ChartList.vue

@@ -25,7 +25,7 @@
             v-if="item.type === typeMapping.npm.npmTabs || item.params.tabIndex === npmTabIndex"
             :id="item.id"
             :chart="item"
-            @tabChange="index => { this.npmTabIndex = index }"
+            @npmTabChange="npmTabChange"
           ></chart>
         </template>
         <chart
@@ -72,6 +72,11 @@ export default {
         this.layout = [...n]
       }
     }
+  },
+  methods: {
+    npmTabChange (index) {
+      this.npmTabIndex = parseInt(index)
+    }
   }
 }
 </script>