diff --git a/nezha-fronted/src/components/page/dashboard/overview/chart.vue b/nezha-fronted/src/components/page/dashboard/overview/chart.vue
index ab56b746b..e881ab054 100644
--- a/nezha-fronted/src/components/page/dashboard/overview/chart.vue
+++ b/nezha-fronted/src/components/page/dashboard/overview/chart.vue
@@ -96,13 +96,13 @@
         if(!this.option){
           this.option = chartConfig.getOption(this.chartType);
         }
-        if (legend && legendData) {
+        if (legend && legendData && legendData.length > 0) {
           legend.formatter = function(name) {
             let type = legendData.find(item => {
               return item[0] == name;
             });
-            return `${name} (${type[1]}%)`;
-          }
+            return type ? `${name} (${type[1]}%)` : null;
+          };
           this.$set(this.option, "legend", legend);
         }
 
diff --git a/nezha-fronted/src/components/page/dashboard/overview/overview2.vue b/nezha-fronted/src/components/page/dashboard/overview/overview2.vue
index 7e9fb6980..15b58093d 100644
--- a/nezha-fronted/src/components/page/dashboard/overview/overview2.vue
+++ b/nezha-fronted/src/components/page/dashboard/overview/overview2.vue
@@ -359,13 +359,13 @@
               let vm = this;
               let assetTotalCount = function() {
                 let count = 0;
-                vm.assetData.typeStat.forEach(item => {
+                vm.assetData.typeStat && vm.assetData.typeStat.forEach(item => {
                   count += item.total;
                 });
                 return count;
               }();
 
-              this.assetData.typeStat.forEach(item => {
+              vm.assetData.typeStat && this.assetData.typeStat.forEach(item => {
                 legendData.push([item.name, (item.total*100/assetTotalCount).toFixed(2)]);
                 typeSeriesData.push({name: item.name, value: item.total, up: item.pingUp, down: item.pingDown});
               });
@@ -430,7 +430,7 @@
                 right: 25,
                 icon: "circle",
               };
-              this.$refs.assetTypePie.setSeries(series, legend, legendData);
+              this.assetData.typeStat && this.$refs.assetTypePie.setSeries(series, legend, legendData);
               this.$refs.assetTypePie.endLoading();
             }
             resolve()