diff --git a/src/views/dashboard/related/topology/components/Metrics.vue b/src/views/dashboard/related/topology/components/Metrics.vue
index d4c6bbfd..d2507b6d 100644
--- a/src/views/dashboard/related/topology/components/Metrics.vue
+++ b/src/views/dashboard/related/topology/components/Metrics.vue
@@ -117,7 +117,7 @@ function changeMetric(val: string) {
   currentMetric.value = val;
   const index = metrics.value.findIndex((d: Option) => d.value === val);
   currentIndex.value = index || 0;
-  const config = getMetricConfig.value;
+  const config = getMetricConfig.value || [];
 
   currentConfig.value = {
     unit: "",
@@ -125,6 +125,7 @@ function changeMetric(val: string) {
     calculation: "",
     ...config[index],
   };
+  console.log(currentConfig.value);
 }
 watch(
   () => props.type,
@@ -134,14 +135,15 @@ watch(
     });
     metrics.value = m.length ? m : [{ label: "", value: "" }];
     currentMetric.value = metrics.value[0].value;
-    const config = getMetricConfig.value;
+    const config = getMetricConfig.value || [];
     currentIndex.value = 0;
-    currentConfig.value = config[0] || {
+    currentConfig.value = {
       unit: "",
       label: "",
       calculation: "",
+      ...config[0],
     };
-    console.log(currentConfig.value);
+    console.log(config);
   }
 );
 </script>
diff --git a/src/views/dashboard/related/topology/components/Settings.vue b/src/views/dashboard/related/topology/components/Settings.vue
index 97cb00d6..0cb8b41f 100644
--- a/src/views/dashboard/related/topology/components/Settings.vue
+++ b/src/views/dashboard/related/topology/components/Settings.vue
@@ -416,7 +416,6 @@ function updateSettings(config?: { [key: string]: MetricConfigOpt[] }) {
   dashboardStore.selectWidget({ ...dashboardStore.selectedGrid, ...param });
   dashboardStore.setConfigs({ ...dashboardStore.selectedGrid, ...param });
   emit("update", param);
-  console.log(dashboardStore.selectedGrid);
 }
 function updateLinkServerMetrics(options: Option[] | any) {
   const opt = options.map((d: Option) => d.value);
@@ -428,9 +427,8 @@ function updateLinkServerMetrics(options: Option[] | any) {
     changeLinkServerMetrics();
     return;
   }
-  const config = (
-    dashboardStore.selectedGrid.linkServerMetricConfig || []
-  ).splice(index, 1);
+  const origin = dashboardStore.selectedGrid.linkServerMetricConfig || [];
+  const config = origin.length === 1 ? [] : origin.splice(index, 1);
   changeLinkServerMetrics({ linkServerMetricConfig: config });
 }
 async function changeLinkServerMetrics(config?: {
@@ -453,9 +451,8 @@ function updateLinkClientMetrics(options: Option[] | any) {
     changeLinkClientMetrics();
     return;
   }
-  const config = (
-    dashboardStore.selectedGrid.linkClientMetricConfig || []
-  ).splice(index, 1);
+  const origin = dashboardStore.selectedGrid.linkClientMetricConfig || [];
+  const config = origin.length === 1 ? [] : origin.splice(index, 1);
   changeLinkClientMetrics({ linkClientMetricConfig: config });
 }
 async function changeLinkClientMetrics(config?: {
@@ -476,10 +473,8 @@ function updateNodeMetrics(options: Option[] | any) {
     changeNodeMetrics();
     return;
   }
-  const config = (dashboardStore.selectedGrid.nodeMetricConfig || []).splice(
-    index,
-    1
-  );
+  const origin = dashboardStore.selectedGrid.nodeMetricConfig || [];
+  const config = origin.length === 1 ? [] : origin.splice(index, 1);
   changeNodeMetrics({ nodeMetricConfig: config });
 }
 async function changeNodeMetrics(config?: {