diff --git a/src/components/Graph.vue b/src/components/Graph.vue
index ae62159a..bdc0dfb7 100644
--- a/src/components/Graph.vue
+++ b/src/components/Graph.vue
@@ -42,6 +42,9 @@ onMounted(async () => {
   setTimeout(() => {
     const instance = getInstance();
 
+    if (!instance) {
+      return;
+    }
     instance.on("click", (params: any) => {
       emits("select", params);
     });
diff --git a/src/views/dashboard/controls/Widget.vue b/src/views/dashboard/controls/Widget.vue
index 2460a435..6c93b39f 100644
--- a/src/views/dashboard/controls/Widget.vue
+++ b/src/views/dashboard/controls/Widget.vue
@@ -141,10 +141,10 @@ export default defineComponent({
     watch(
       () => [props.data.metricTypes, props.data.metrics],
       () => {
-        if (
-          dashboardStore.selectedGrid &&
-          props.data.i !== dashboardStore.selectedGrid.i
-        ) {
+        if (!dashboardStore.selectedGrid) {
+          return;
+        }
+        if (props.data.i !== dashboardStore.selectedGrid.i) {
           return;
         }
         if (TableChartTypes.includes(dashboardStore.selectedGrid.graph.type)) {
diff --git a/src/views/dashboard/panel/Layout.vue b/src/views/dashboard/panel/Layout.vue
index 9b2f3100..dd88845c 100644
--- a/src/views/dashboard/panel/Layout.vue
+++ b/src/views/dashboard/panel/Layout.vue
@@ -39,7 +39,7 @@ limitations under the License. -->
   <div class="no-data-tips" v-else>Please add widgets.</div>
 </template>
 <script lang="ts">
-import { defineComponent } from "vue";
+import { defineComponent, onBeforeUnmount } from "vue";
 import { useDashboardStore } from "@/store/modules/dashboard";
 import { LayoutConfig } from "@/types/dashboard";
 import controls from "../controls/index";
@@ -56,6 +56,9 @@ export default defineComponent({
       dashboardStore.activeGridItem(item.i);
       dashboardStore.selectWidget(item);
     }
+    onBeforeUnmount(() => {
+      dashboardStore.setLayout([]);
+    });
     return {
       dashboardStore,
       layoutUpdatedEvent,
diff --git a/src/views/dashboard/panel/Tool.vue b/src/views/dashboard/panel/Tool.vue
index 4e237f01..ca630adf 100644
--- a/src/views/dashboard/panel/Tool.vue
+++ b/src/views/dashboard/panel/Tool.vue
@@ -108,7 +108,8 @@ const selectorStore = useSelectorStore();
 const appStore = useAppStoreWithOut();
 const params = useRoute().params;
 const type = EntityType.filter((d: Option) => d.value === params.entity)[0];
-const toolIcons = ref<any[]>(PodRelationTools);
+const toolIcons =
+  ref<{ name: string; content: string; id: string }[]>(PodRelationTools);
 const states = reactive<{
   destService: string;
   destPod: string;
@@ -129,6 +130,7 @@ const states = reactive<{
 
 dashboardStore.setLayer(String(params.layerId));
 dashboardStore.setEntity(String(params.entity));
+appStore.setEventStack([initSelector]);
 
 initSelector();
 
@@ -423,7 +425,6 @@ function getTools() {
       toolIcons.value = PodRelationTools;
   }
 }
-appStore.setEventStack([initSelector]);
 </script>
 <style lang="scss" scoped>
 .dashboard-tool {